1. _________ refers to the symbols that represent people, events, things, and ideas.
1. _________是指代表人、事件、事物和思想的符号。
Data
数据
2. Data refers to the symbols that represent people, events, things, and ideas.
2. 数据是指代表人、事件、事物和想法的符号。
True
真
3. Data becomes _______ when it is presented in a format that people can understand and use.
3. 当数据以人们可以理解和使用的格式呈现时,数据就会变得_______。
information
信息
4. Data __________ refers to the form in which data is stored, processed, and transmitted.
4. 数据__________是指数据存储、处理和传输的形式。
representation
表示法
5. Digital data can be __________ that have been converted into discrete digits such as 0s and 1s.
5. 可以__________已转换为 0 和 1 等离散数字的数字数据。
a. text
A. 文本
b. numbers
B. 数字
c. graphics, sound, and video
c. 图形、声音和视频
d. all of the above
d. 以上所有
6. The process of converting information, such as text, numbers, photos, or music, into digital data that can be
6. 将文本、数字、照片或音乐等信息转换为数字数据的过程,这些数据可以
manipulated by electronic devices is called ___________.
被电子设备操纵称为___________。
a. binary
A. 二进制
b. digitization
湾。 数字化
c. representation
c. 表示
d. none of the above
d. 以上都不是
7. A file name extension indicates the file format.
7. 文件扩展名表示文件格式。
True
真
8. The 0s and 1s used to represent digital data are referred to as _________ digits.
8. 用于表示数字数据的 0 和 1 称为 _________ 位。
binary
二元的
9. ________ data consists of numbers that can be used in arithmetic operations.
9. ________数据由可用于算术运算的数字组成。
a. Text
一个。发短信
b. Digital
b.数字
c. Numeric
c. 数值的
d. Binary
d. 二进制
10. The binary number system has only two digits: 1 and 2.
10. 二进制数系统只有两位数字:1 和 2。
False
假
11. The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s.
11. _______ 数字系统允许数字设备只需使用 0 和 1 即可表示几乎任何数字。
numeric
数值的
binary
二元的
12. Character data is composed of letters, symbols, and numerals that are used in calculations.
12. 字符数据由计算中使用的字母、符号和数字组成。
False
假
13. American Standard Code for Information Interchange (ASCII) requires __________ bits for each character.
13. 美国信息交换标准码 (ASCII) 要求每个字符 __________ 位。
seven
七
14. Unicode uses________ bits and provides codes for 65,000 characters.
14. Unicode uses________位并提供 65,000 个字符的代码。
sixteen
十六
15. Plain, unformatted text is sometimes called ASCII text.
15. 纯文本、无格式文本有时称为 ASCII 文本。
True
真
16. ASCII text files contain formatting.
16. ASCII 文本文件包含格式。
False
假
17. In a formatted text file, ________ signal(s) the beginning and end of a formatting command.
17. 在格式化文本文件中,________ 表示格式化命令的开始和结束。
delimiter
定界符
18. All of the data stored and transmitted by digital devices is encoded as bits.
18. 数字设备存储和传输的所有数据都编码为比特。
True
真
19. A group of eight bits is called a _______.
19. 一组 8 位称为 _______。
byte
字节
20. Transmission speeds are expressed in _______, whereas storage space is expressed in _______.
20. 传输速度以 _______ 表示,而存储空间以 _______ 表示。
bits, bytes
位、字节
21. Data ____________ refers to any technique that recodes the data in a file so that it contains fewer bits.
21. 数据____________是指对文件中的数据进行重新编码以使其包含较少位的任何技术。
compression
压缩
22. Lossy compression provides a way to compress data and reconstitute it into its original state.
22. 有损压缩提供了一种压缩数据并将其重建为原始状态的方法。
False
假
23. Lossy compression throws away some of the original data during the compression process.
23. 有损压缩在压缩过程中会丢弃一些原始数据。
True
真
24. Compressed files often have ______ at the end of the file name.
24. 压缩文件通常在文件名末尾有 ______。
.zip
邮编
25. __________ is music, speech, and other sounds represented in binary format for use in digital devices.
25. __________ 是以二进制格式表示的音乐、语音和其他声音,用于数字设备。
Digital audio
数字音频
26. To digitally record sound, __________ of a sound wave is/are collected at periodic intervals and stored as numeric
26. 为了以数字方式记录声音,会定期收集声波的__________并存储为数字
data in an audio file.
data 的 intent 文件。
sample
样本
27. Sampling _______ refers to the number of times per second that a sound is measured during the recording process.
27. 采样_______是指在录音过程中每秒测量声音的次数。
rate
率
28. To conserve space, applications that require high-quality sound use low sampling rates.
28. 为了节省空间,需要高质量声音的应用程序使用低采样率。
False
假
29. Regardless of sampling rate, digital audio file size can be reduced using audio compression techniques.
29. 无论采样率如何,都可以使用音频压缩技术来减小数字音频文件大小。
True
真
30. Most music for portable media players is stored in _______ audio file formats.
30. 便携式媒体播放器的大多数音乐都以_______音频文件格式存储。
compressed
压缩
31. Digital audio is stored in a variety of file formats, including ___________.
31. 数字音频以多种文件格式存储,包括 ___________。
a. WMA (Windows Media Audio)
a. WMA (Windows Media Audio)
b. WAV
c. MP3
d. all of the above
d. 以上所有
32. Which of the following is NOT a format that is used for digital audio?
32. 以下哪项格式不是用于数字音频的格式?
a. MP3
b. DOC
湾。 医生
c. WAV
d. Ogg
d. 奥格
33. A(n) _______ is software that works in conjunction with your computer’s browser to manage and play audio that you
33. A(n) _______ 是与您的计算机浏览器配合使用的软件,用于管理和播放您
are accessing from a Web page.
正在从 Web 页面访问。
audio plugin
音频插件
34. The technical term for ripping music tracks is digital audio extraction
34. 翻录音乐曲目的技术术语是数字音频提取.
True
真
35. ______ specifies a standard way to store music data for synthesizers and computers.
35. ______ 指定了为合成器和计算机存储音乐数据的标准方法。
MIDI
36. MIDI files are less compact than digital audio files.
36. MIDI 文件不如数字音频文件紧凑。
False
假
37. One of the main disadvantages of MIDI is that it cannot produce vocals.
37. MIDI 的主要缺点之一是它不能产生人声。
True
真
38. _________ enables people to control software with spoken commands, as well as dictate text into a word processing
38. _________ 使人们能够使用语音命令控制软件,以及将文本口述为文字处理
document.
公文。
a. MIDI
b. Speech synthesis
b.语音合成
c. Speech recognition
c. 语音识别
d. Phoneme
d. 音素
39. __________ is the process by which machines produce sound that resembles spoken words.
39. __________是机器产生类似于口语的声音的过程。
Speech synthesis
语音合成
40. Text-to-speech software analyzes the words in a section of text, finds corresponding phonemes, and combines them
40. 文本转语音软件分析一段文本中的单词,找到相应的音素,并将它们组合起来
into sentences for output.
转换为句子进行输出。
True
真
41. Speech recognition software analyzes the sounds of your voice and converts each word into groups of ________.
41. 语音识别软件会分析您的声音并将每个单词转换为________组。
phonemes, phoneme
音素, 音素
42. A bitmap graphic is composed of a grid of tiny rectangular cells.
42. 位图图形由微小的矩形单元格网格组成。
True
真
43. Digital photographs are stored as bitmap files.
43. 数码照片存储为位图文件。
True
真
44. In a digital camera, a charge-coupled device’s (CCD’s) ________ correspond(s) to pixels. photosites, photosite
44. 在数码相机中,电荷耦合器件 (CCD) 的 ________ 对应于像素。photosites, photosite
45. Which of the following is NOT a type of bitmap format?
45. 以下哪项不是位图格式?
a. TIFF (Tagged Image File Format)
a. TIFF (标记图像文件格式)
b. RAW
c. PNG (Portable Network Graphics)
c. PNG(便携式网络图形)
d. ZIP
d. 邮编
46. Bitmap images are formed by a grid of _____.
46. 位图图像由_____网格形成。
ANSWER: pixelsModule 01: Digital Content
答案:像素模块 01:数字内容
Page 6
第 6 页
47. Today’s color display devices represent color using the ______ color model.
47. 今天的彩色显示设备使用______颜色模型来表示颜色。
a. RGB
一个。 RGB的
b. PNG
c. BMP
d. none of the above
d. 以上都不是
48. The number of colors available in a graphic is referred to as color _________.
48. 图形中可用的颜色数量称为颜色_________。
depth
深度
49. Eight-bit color depth is also called True Color.
49. 八位颜色深度也称为真彩色。
False
假
50. The dimensions of the grid that forms a bitmap graphic are referred to as image __________.
50. 形成位图图形的网格尺寸称为图像__________。
resolution
分辨率
51. Bitmap graphics are resolution dependent because each element is a discrete pixel.
51. 位图图形与分辨率相关,因为每个元素都是一个离散像素。
True
真
52. An undesirable jagged appearance of a graphics image is referred to as _______.
52. 图形图像的不良锯齿状外观称为_______。
pixelation
像素化
53. Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby
53. 大多数图形软件使用一种称为像素_________的过程,通过平均附近的颜色来创建新像素
pixels.
像素。
a. polarization
A. 极化
b. interpolation
湾。 插值
c. compression
c. 压缩
d. resolution
D. 分辨率
54. Image __________ refers to any technique that recodes the data in an image file so that it contains fewer bits.
54. 图像__________是指对图像文件中的数据进行重新编码以使其包含较少位的任何技术。
compression
压缩
55. TIFF, PNG, and GIF (Graphics Interchange Format) graphics formats offer lossy compression.
55. TIFF、PNG 和 GIF(图形交换格式)图形格式提供有损压缩。
False
假
56. Joint Photographic Experts Group (JPEG) files are compressed using lossy compression.
56. 联合图像专家组 (JPEG) 文件使用有损压缩进行压缩。
True
真
57. Lossy compression techniques discard some data from an image to shrink its file size.
57. 有损压缩技术会丢弃图像中的一些数据以缩小其文件大小。
True
真
58. Bitmap graphics are coded as a series of bits. Each bit represents the color of one ________.
58. 位图图形编码为一系列位。每个位代表一个________的颜色。
pixel
像素
59. Image editors provide an image __________ that can be used to adjust the brightness values for various ranges of
59. 图像编辑器提供了一个图像__________,可用于调整各种范围的亮度值
dark, mid-range, or light pixels.
暗、中或亮像素。
histogram
直方图
60. In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an
60. 在位图图形编辑的上下文中,什么技术采用的算法从
image and then apply them to another area?
图像,然后将它们应用到另一个区域?
Cloning
克隆
61. A clipping ______ essentially cuts an object out of an image and knocks out the background to make it transparent.
61. 剪切______本质上是从图像中剪切出一个对象并挖空背景以使其透明。
path
路径
62. What is the term used to describe altering the pixel colors where the edges of the object and the background meet, so
62. 用于描述改变对象边缘和背景相交处的像素颜色的术语是什么,所以
that the object appears to merge with the background?
物体似乎与背景融合在一起?
a. Alpha blending
一个。 Alpha 混合
b. Clipping path
b.剪切路径
c. Cloning
c. 克隆
d. Inpainting
d. 修复
63. A vector graphic consists of a set of instructions for creating a picture.
63. 矢量图形由一组用于创建图片的说明组成。
True
真
64. Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to
64. 矢量图形文件不是存储每个像素的颜色值,而是包含计算机用于
create the shape, size, position, and color for each object in an image.
为图像中的每个对象创建形状、大小、位置和颜色。
True
真
65. When you change the size of a(n) _______ graphic, the objects change proportionally and maintain their smooth
65. 更改图形 a(n) 的大小_______,对象会按比例更改并保持其平滑
edges.
边缘。
vector
向量
66. Vector graphics file size does not depend on the size and complexity of the image.
66. 矢量图形文件大小不取决于图像的大小和复杂性。
False
假
67. Which of the following options are well suited for using vector graphics?
67. 以下哪些选项非常适合使用矢量图形?
a. Line art
一个。线条图
b. Logos
b.标志
c. Diagrams
c. 图表
d. All of the above
d. 以上所有
68. All bitmap graphics are photos.
68. 所有位图图形都是照片。
False
假
69. Which of the following file extensions is NOT a vector graphic?
69. 以下哪个文件扩展名不是矢量图形?
a. .svg
一个。。SVG
b. .eps
b. .每股收益
c. .tif
d. .ai
70. Both scanners and digital cameras produce vector graphics.
70. 扫描仪和数码相机都会生成矢量图形。
False
假
71. What is another term for vector graphics software?
71. 矢量图形软件的另一个术语是什么?
Drawing software
绘图软件
72. A vector graphic can be converted into a bitmap graphic through a process called _________.
72. 矢量图形可以通过称为 _________ 的过程转换为位图图形。
rasterizing, rasterization
栅格化, 栅格化
73. After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic.
73. 将矢量图形转换为位图后,生成的图形不再具有矢量图形的特质。
True
真
74. 3D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a
74. 3D图形都基于向量,这些向量存储为一组指令,用于描述
three-dimensional space. What do these vectors form?
三维空间。这些向量形成什么?
reframe
再组织
75. The process of covering a wireframe with surface color and texture is called _________.
75. 用表面颜色和纹理覆盖线框的过程称为_________。
rendering
渲染
76. Which of the following is the technique for adding light and shadows to a 3D image?
76. 以下哪项是向 3D 图像添加光影的技术?
Ray tracing
光线追踪
77. 3D graphics can be animated.
77. 3D图形都可以进行动画处理。
True
真
78. Which of the following tools would be found in 3D graphics software?
78. 3D 图形软件中有哪些工具?
a. Rendering tools
一个。渲染工具
b. Ray tracing tools
b.光线追踪工具
c. Surface texture tools
c. 表面纹理工具
d. All of the above
d. 以上所有
79. Digital video uses bits to store color and brightness data for each video frame.
79. 数字视频使用比特来存储每个视频帧的颜色和亮度数据。
True
真
80. Analog footage can be digitized using video _____ equipment.
80. 模拟素材可以使用视频_____设备进行数字化。
capture
捕获
81. Digital ________ captures moving images as bits, rather than on film.
81. 数字________将运动图像捕捉为比特,而不是胶片。
cinematography
摄影
82. Digital video is a core technology for which of the following?
82. 数字视频是以下哪项的核心技术?
a. Digital television
一个。数字电视
b. Videoconferencing
b.视频会议
systems
系统
c. Video messaging
c. 视频消息
d. All of the above
d. 以上所有
83. Which of the following is NOT a factor in the quality of digital video?
83. 以下哪项不是影响数字视频质量的一个因素?
Memory technology in your camera
相机中的 记忆技术
84. In digital video, each bitmap image is referred to as a(n) __________.
84. 在数字视频中,每个位图图像称为 a(n) __________。
frame
框架
85. The number of frames that are displayed per second is measured in _______.
85. 每秒显示的帧数以 _______ 为单位。
fps
FPS (帧率)
86. Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size.
86. 当数字视频以大于帧大小的分辨率显示时,它们看起来最清晰。
False
假
87. Video resolutions can be expressed as width x height.
87. 视频分辨率可以表示为宽 x 高。
True
真
88. Today’s widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________.
88. 今天的宽屏设备,如笔记本电脑和智能手机,都是为 16:9 __________而设计的。
aspect ratio
纵横比
89. When 4:3 videos are displayed in a widescreen player, they are bordered by the black bars of a(n) _______.
89. 当 4:3 视频在宽屏播放器中显示时,它们以 a(n) _______的黑条为边框。
letterbox
信箱
90. In digital video, as long as the proportion of horizontal and vertical pixels remains the same, the aspect ratio is
90. 在数字视频中,只要水平和垂直像素的比例保持不变,纵横比就是
consistent.
一致。
True
真
91. ________ is the number of bits that are processed during a specific unit of time, usually during one second.
91. ________ 是在特定时间单位内(通常在一秒钟内)处理的位数。
a. Bit rate
一个。 比特率
92. Bit rate can be scaled down by reducing the resolution and applying ____________ techniques.
92. 可以通过降低分辨率和应用____________技术来缩小比特率。
Compression
93. In digital video, a lower resolution reduces the bit rate.
93. 在数字视频中,较低的分辨率会降低比特率。
True
真
94. _______ compression can be applied to each frame of a video.
94. _______压缩可以应用于视频的每一帧。
Intraframe
帧内
95. ________ compression stores only the pixels that change color from one frame to the next.
95. ________压缩仅存储从一帧到下一帧更改颜色的像素。
Interframe
帧间
96. Video compression can be expressed as a compression ______.
96. 视频压缩可以表示为压缩______。
ratio
率
97. A(n) _______ is the software that compresses a video stream when a video is stored and decompresses the file when
97. A(n) _______ 是在存储视频时压缩视频流,并在
codec
编 解码 器
98. Video files are stored in ________ formats that hold the compressed video stream and an audio stream.
98. 视频文件以 ________ 格式存储,分别保存压缩的视频流和音频流。
container
容器
99. Which of the following is NOT a type of digital video container file?
99. 以下哪项不属于数字视频容器文件?
PNG
100. Transcoding digital videos does not cause a loss of quality.
100. 转码数字视频不会导致质量下降。
False
假
101. A live stream is also called a(n) _______________________.
101. 直播流也称为 a(n) _______________________。
a. download
A. 下载
b. Webcast
湾。 网络直播
c. on-demand stream
c. 点播流
d. digital audio extraction
D. 数字音频提取
102. A(n) ___________________ stream sends media to a local device where it is stored temporarily, or “buffered,” until
102. A(n) ___________________流将媒体发送到本地设备,并在其中临时存储或“缓冲”,直到
there is enough data to begin playback.
有足够的数据开始播放。
download
下载
b. live
b. 活
c. on-demand
c. 按需
d. delayed
d. 延迟
103. Image _______________ creates a panoramic image by combining two or more photographs that have overlapping
103. Image _______________ 通过组合两张或多张重叠的照片来创建全景图像
edges.
边缘。
stitching
拼接
104. Manipulating two-dimensional images to produce the illusion of three-dimensional depth is called
104. 操纵二维图像产生三维深度的错觉称为
____________________.
a. pairing
A. 配对
b. stitching
b. 拼接
c. stereoscopy
c. 立体
d. dimensionization
D. 尺寸标注
105. A(n) _____________________ is a graphic that uses red and blue overlays to create a stereoscopic effect.
105. A(n) _____________________ 是一种使用红色和蓝色叠加层来创建立体效果的图形。
a. stereo pair
A. 立体声对
b. anaglyph
湾。 浮雕
c. VOB
d. JPEG
106. Which of the following projections captures a 360-degree image on a horizontal plane?
106. 以下哪种投影可以在水平面上捕获 360 度图像?
a. Rectilinear
一个。直线
b. Cylindrical
湾。 圆柱
c. Spherical
c. 球形
d. Anaglyphic
d. 浮雕
107. _____________ adds computer-generated vector objects to a view of the real world.
107. _____________ 将计算机生成的矢量对象添加到现实世界的视图中。
a. Augmented reality
一个。 增强现实
b. Cylindrical projection
b.圆柱投影
c. Virtual reality
c. 虚拟现实
d. Stereoscopy
d. 立体
108. Pokemon Go is a game that’s based on ____________________ technology.
108. Pokemon Go 是一款基于 ____________________ 技术的游戏。
a. virtual reality
A. 虚拟现实
b. 360 projection
b. 360 度投影
c. augmented reality
c. 增强现实
d. lossless compression
D. 无损压缩
109. When vector animations are used for special effects in movies, the animation sequences are _____________.
109. 当矢量动画用于电影中的特效时,动画序列会_____________。
a. scanned into PNG format
a. 扫描为 PNG 格式
b. pre-rendered into digital video clips
湾。 预渲染为数字视频剪辑
c. compressed into anaglyphs
c. 压缩为立体图
d. rendered
d. 渲染
real time
实时
110. Many of the graphic sequences in video games require __________________ to produce a series of bitmap images
110. 视频游戏中的许多图形序列都需要__________________来生成一系列位图图像
while the game takes place.
当游戏进行时。
real-time rendering
实时渲染
Module 02: Digital Devices
模块 02:数字设备
1. The central processing unit (CPU) of most modern computers is a microprocessor.
1. 大多数现代计算机的中央处理器 (CPU) 是微处理器。
True
真
2. Processing is handled by the computer’s CPU.
2. 处理由计算机的 CPU 处理。
True
真
3. The term stored program means that a series of instructions for a computing task can be loaded into a computer’s
3. 术语 stored program 是指可以将计算任务的一系列指令加载到计算机的
memory.
记忆。
True
真
4. The ability to switch between programs makes computers multipurpose devices.
4. 在程序之间切换的能力使计算机成为多用途设备。
True
真
5. System software is a set of computer programs that helps a person carry out a task.
5. 系统软件是一组帮助一个人执行任务的计算机程序。
False
假
6. An example of system software is a computer operating system.
6. 系统软件的一个例子是计算机操作系统。
True
真
7. Semiconductors are substances with properties between those of a conductor and an insulator.
7. 半导体是具有介于导体和绝缘体特性之间的物质。
True
真
8. A dual in-line package (DIP) is a square chip package, typically used for microprocessors, with pins arranged in
8. 双列直插式封装 (DIP) 是一种方形芯片封装,通常用于微处理器,引脚排列在
concentric squares.
同心正方形。
False
假
9. Land-grid arrays (LGAs) have two rows of pins that connect the chip to a circuit board.
9. 基板栅格阵列 (LGA) 有两排引脚,用于将芯片连接到电路板。
False
假
10. Component systems are currently the most popular form factor for digital devices.
10. 组件系统是目前数字设备最流行的外形尺寸。
False
假
11. Battery lifespan is the time your device operates before it must be recharged.
11. 电池寿命是指设备在必须充电之前运行的时间。
False
假
12. Battery life is the time your device operates before it must be recharged.
12. 电池寿命是指设备在必须充电之前运行的时间。
True
真
13. A desktop is a portable computing device featuring a touch-sensitive screen that can be used for input as well as for
13. 台式机是一种便携式计算设备,具有触摸感应屏幕,可用于输入和
output.
输出。
False
假
14. A slate tablet configuration is basically a screen in a narrow frame that lacks a physical keyboard.
14. 平板电脑配置基本上是没有物理键盘的窄框架中的屏幕。
True
真
15. Smartphones evolved from basic cell phones and personal digital assistants (PDAs)
15. 智能手机从基本的手机和个人数字助理 (PDA) 演变而来.
True
真
16. The operating systems for smartphones are radically different to those used for tablet computers.
16. 智能手机的操作系统与平板电脑的操作系统截然不同。
False
假
17. Smartwatches are multifunction devices that can include a camera, thermometer, compass, calculator, cell phone,
17. 智能手表是多功能设备,可以包括相机、温度计、指南针、计算器、手机、
global positioning system (GPS), media player, and fitness tracker.
全球定位系统 (GPS)、媒体播放器和健身追踪器。
True
真
18. Computers with the same operating systems can typically use the same software and peripheral devices.
18. 具有相同操作系统的计算机通常可以使用相同的软件和外围设备。
True
真
19. Intel Corporation is the world’s largest chipmaker and supplies a sizeable percentage of the microprocessors that
19. 英特尔公司是世界上最大的芯片制造商,为这些微处理器提供相当大比例的微处理器
power desktops and laptops.
为台式机和笔记本电脑供电。
True
真
20. Modern processors follow Intel’s original numbering sequence.
20. 现代处理器遵循 Intel 的原始编号序列。
False
假
21. The Intel i7 microprocessor is x86 compatible.
21. Intel i7 微处理器与 x86 兼容。
True
真
22. Athlon and A-series processors manufactured by AMD are NOT x86 compatible.
22. AMD 制造的 Athlon 和 A 系列处理器不兼容 x86。
False
假
23. ARM-based processors are not especially energy efficient.
23. 基于 ARM 的处理器不是特别节能。
False
假
24. x86 processors use a different instruction set than ARM processors.
24. x86 处理器使用与 ARM 处理器不同的指令集。
True
真
25. The term instruction cycle refers to the process in which a computer executes a single instruction.
25. 术语指令周期是指计算机执行单个指令的过程。
True
真
26. During an instruction cycle, all parts of the instruction are performed by the microprocessor’s control unit.
26. 在一个指令周期内,指令的所有部分都由微处理器的控制单元执行。
False
假
27. Most computer ads specify the speed of a microprocessor in gigahertz.
27. 大多数计算机广告以千兆赫兹为单位指定微处理器的速度。
True
真
28. A multicore processor that executes more than one instruction at a time is referred to as a parallel processor.
28. 一次执行多条指令的多核处理器称为并行处理器。
True
真
29. Random access memory (RAM) is volatile.
29. 随机存取存储器 (RAM) 是易失性的。
True
真
30. Read-only memory (ROM) is temporary and volatile. RAM is more permanent and non-volatile.
30. 只读存储器 (ROM) 是临时的且易失性存储器。RAM 更持久且非易失性。
False
假
31. A hard disk drive is an example of magnetic storage.
31. 硬盘驱动器是磁性存储的一个例子。
True
真
32. Solid state storage stores data in erasable, rewritable circuitry, rather than on spinning disks, tape, or optical media.
32. 固态存储将数据存储在可擦除、可重写的电路中,而不是存储在旋转的磁盘、磁带或光学介质上。
True
真
33. Memory cards are typically volatile.
33. 存储卡通常是易失性的。
False
假
34. A solid state drive can be used as a substitute for a hard disk drive.
34. 固态驱动器可以替代硬盘驱动器。
True
真
35. All remote storage is considered to be cloud storage.
35. 所有远程存储均被视为云存储。
False
假
36. When a peripheral device is connected or disconnected while the host device is operating, it is called hot-plugging.
36. 当外围设备在主机设备运行时连接或断开时,称为热插拔。
True
真
37. In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.
37. 在显示设备中,响应率是一个像素从黑色变为白色,然后再变回黑色所需的时间。
True
真
38. A laser printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.
38. 激光打印机有一个类似喷嘴的打印头,可以将墨水喷洒在纸上以形成字符和图形。
False
假
39. ______ is data that is entered into a computer. ______ is the result produced by a computer.
39. ______ 是输入计算机的数据。______ 是计算机生成的结果。
a. Output, Input
a. 输出、输入
b. Input, Output
湾。 输入、输出
c. Information, Binary data
c. 信息、二进制数据
d. None of the above
d. 以上都不是
40. Most computers have temporary holding areas called __________.
40. 大多数计算机都有称为 __________ 的临时存放区域。
a. output
A. 输出
b. microprocessor
b. 微处理器
c. CPU
c. 中央处理器
d. RAM
d. 公羊
41. The primary purpose of ________ software is to help the computer system monitor itself in order to function
41. ________软件的主要目的是帮助计算机系统监控自身以正常运行
efficiently.
有效。
a. system
一个。 系统
b. application
B. 应用
c. input
c. 输入
d. memory
D. 内存
42. The electronic components of most digital devices are mounted on a circuit board called a ______________.
42. 大多数数字设备的电子元件都安装在称为 ______________ 的电路板上。
a. system board
A. 系统主板
b. motherboard
B. 主板
c. main board
C. 主板
d. all of the above
d. 以上所有
43. The term ________ refers to the part of a digital device that holds the system board.
43. 术语 ________ 是指数字设备中容纳系统板的部分。
a. form factor
A. 外形规格
b. CPU
b. 中央处理器
c. peripheral
C. 外围设备
d. system unit
d. 系统单位
44. The most popular battery type used in today’s electronic devices is __________.
44. 当今电子设备中使用的最流行的电池类型是 __________。
a. nickel-cadmium
A. 镍镉
b. alkaline
b. 碱性
c. lithium ion
c. 锂离子
d. none of the above
d. 以上都不是
45. Many touchscreens have a(n) _______________ coating designed to repel the oils deposited by fingers that tap and
45. 许多触摸屏都有 n(n) _______________ 涂层,旨在排斥手指敲击和
swipe the screen.
滑动屏幕。
a. gorilla
A. 大猩猩
b. granular
b. 颗粒状
c. semiconductive
c. 半导体
d. oleophobic
d. 疏油
46. Which of the following is NOT a type of digital video container file?
46. 以下哪项不属于数字视频容器文件类型?
a. MP4
b. AVI (Audio Video Interleave)
b. AVI (音视频交错)
c. VOB (Video Object)
c. VOB (视频对象)
d. PNG (Portable Network Graphics)
d. PNG(可移植网络图形)
47. At its time of construction, one of the fastest computers in the world is referred to as a(n) _________________.
47. 在其建造时,世界上最快的计算机之一被称为 a(n) _________________。
a. mainframe
A. 主机
b. supercomputer
湾。 超级计算机
c. minicomputer
C. 小型计算机
d. all of the above
d. 以上所有
48. Originally called microcomputers, _________ are designed to meet the computing needs of individuals.
48. _________ 最初称为微型计算机,旨在满足个人的计算需求。
a. mainframes
A. 大型机
b. personal computers
湾。 个人电脑
c. microcomputers
C. 微型计算机
d. servers
D. 服务器
49. Which of the following is an example of a computer that is a small, lightweight personal computer that is designed
49. 以下哪项是计算机的示例,该计算机是设计
like a clam shell?
像蛤蜊壳?
a. Desktop computer
一个。台式电脑
b. Laptop computer
湾。 笔记本
c. Server
c. 服务器
d. Tablet
d. 平板电脑
50. Which of the following is an example of an operating system that is used by smartphones?
50. 以下哪一项是智能手机使用的操作系统示例?
a. iOS
b. Android
b.人造人
c. Windows Mobile
c. Windows 移动版
d. All of the above
d. 以上所有
51. Modern refrigerators, washing machines, and other appliances are controlled by integrated circuits called
51. 现代冰箱、洗衣机和其他电器由称为
____________ that combine sensors with processing circuitry.
将传感器与处理电路相结合的____________。
a. microcontrollers
一个。 微控制器
b. microcomputers
B. 微型计算机
c. servers
C. 服务器
d. microdevices
D. 微型器件
52. What type of computer should you consider purchasing if you want a system that is ideal for dedicated gamers, serious
52. 如果您想要一个非常适合专业游戏玩家的系统,您应该考虑购买什么类型的计算机,认真的
designers, desktop publishers, and video editors?
设计师、桌面出版商和视频编辑人员?
a. Laptop
一个。笔记本
b. Desktop
湾。 桌面
c. Tablet
c. 平板电脑
d. Smartphone
d. 智能手机
53. What type of computer should you consider purchasing if you want a portable system that is great for consuming
53. 如果您想要一个非常适合使用的便携式系统,您应该考虑购买什么类型的计算机
content such as books, music, and videos but not so great for creating content or multitasking?
书籍、音乐和视频等内容,但不太适合创建内容或多任务处理?
a. Tablet
一个。 片
b. Smartphone
b.智能手机
c. Desktop
c. 桌面
d. Laptop
d. 笔记本电脑
54. What type of computer should you consider purchasing if you want a portable system that is good for students and on
54. 如果您想要一个适合学生和其他人的便携式系统,您应该考虑购买什么类型的计算机
the-go professionals who want to create content and be productive, in addition to consuming content?
除了消费内容之外,还想创建内容并提高工作效率的 The-Go 专业人士?
a. Desktop
一个。桌面
b. Laptop
湾。 笔记本
c. Tablet
c. 平板电脑
d. Smartphone
d. 智能手机
55. A(n) _____________contains a collection of instructions for actions that the circuitry in a microprocessor can
55. A(n) _____________contains微处理器中的电路可以执行的操作的指令集合
perform.
执行。
a. ALU (Arithmetic Logic Unit)
a. ALU (算术逻辑单元)
b. ARM
b. 手臂
c. PCS (Processor Command Set)
c. PCS(处理器命令集)
d. instruction set
d. 指令集
56. Microprocessors can’t directly understand programming languages, so programs have to be converted into
56. 微处理器不能直接理解编程语言,所以必须把程序转换成
_____________ that corresponds to the microprocessor’s instruction set.
_____________对应于微处理器的指令集。
a. application
A. 应用
b. machine language
湾。 机器语言
c. microprocessor
C. 微处理器
d. ARM
d. 手臂
57. In a microprocessor, the __________ fetches instructions.
57. 在微处理器中,__________ 获取指令。
a. ALU
a. 铝
b. register
B. 注册
c. CPU
c. 中央处理器
d. control unit
d. 控制单元
58. Processors that execute one instruction at a time are considered to be ________ processors.
58. 一次执行一条指令的处理器被视为________处理器。
a. serial
一个。 串行
b. parallel
b. 平行
c. pipeline
C. 管道
d. none of the above
d. 以上都不是
59. _________ is a temporary holding area for data and programs.
59. _________ 是数据和程序的临时存放区。
a. CISC (complex instruction set computer)
a. CISC(复杂指令集计算机)
b. RAM
湾。 公羊
c. ROM
d. RISC (reduced instruction set computer)
d. RISC(精简指令集计算机)
60. Which of the following is an important consideration when evaluating storage options for digital devices?
60. 在评估数字设备的存储选项时,以下哪一项是重要的考虑因素?
a. Durability
一个。耐久性
b. Dependability
b.可靠性
c. Capacity
c. 容量
d. All of the above
d. 以上所有
61. Which of the following is an example of why hard disk drives are so popular?
61. 以下哪项是硬盘驱动器如此受欢迎的示例?
a. They are not susceptible to a head crash.
一个。他们不容易受到头部碰撞的影响。
b. They have relatively low cost for lots of storage.
湾。 它们的大量存储成本相对较低。
c. They are volatile.
c. 他们是不稳定的。
d. All of the above.
d. 以上所有。
62. _________ is the amount of data a storage device can move per second from the storage medium to RAM.
62. _________ 是存储设备每秒可以从存储介质移动到 RAM 的数据量。
a. Access time
一个。访问时间
b. Data transfer rate
b.数据传输速率
c. Bit rate
c. 比特率
d. RPM
d. 每轮价格
63. Which optical storage technology stores data permanently on a disc, which cannot be subsequently added to or
63. 哪种光存储技术将数据永久存储在光盘上,而这些数据随后无法添加到 或
changed?
改变?
a. Read-only
一个。 只读
b. Recordable
b.可记录
c. Rewritable
c. 可重写
d. None of the above
d. 以上都不是
64. Which of the following is NOT drawback of using cloud storage?
64. 以下哪项不是使用云存储的缺点?
a. Increased security risk
一个。安全风险增加
b. High price of storage
湾。 存储价格高
c. Possible service outage
c. 可能的服务中断
d. Discontinuation of service
d. 服务终止
65. The main circuits on the system board that carry data are called the _________.
65. 系统板上承载数据的主电路称为 _________。
a. ROM
b. RAM
b. 内存
c. expansion bus
c. 扩展总线
d. data bus
d. 数据总线
66. The part of the data bus that runs between the microprocessor and RAM is called the _______ bus.
66. 在微处理器和 RAM 之间运行的数据总线部分称为 _______ 总线。
a. local
一个。 当地
b. expansion
B. 扩展
c. USB
c. USB 端口
d. network
D. 网络
67. Which of the following is NOT an example of an expansion port?
67. 以下哪项不是扩展端口的示例?
a. Thunderbolt
一个。霹雳
b. USB 3.0
b. USB 3.0 端口
c. HDMI
c. HDMI 端口
d. RAM
d. 公羊
68. A __________ is software that helps a peripheral device establish communication with its host device.
68. __________ 是帮助外围设备与其主机设备建立通信的软件。
a. device hub
A. 设备集线器
b. device driver
B. 设备驱动程序
c. hot-plug
c. 热插拔
d. data bus
D. 数据总线
69. The advantages of liquid crystal display (LCD) screens include _________________.
69. 液晶显示器 (LCD) 屏幕的优点包括 _________________。
a. display clarity
A. 显示清晰度
b. low radiation emission
b. 低辐射发射
c. portability
C. 便携性
d. all of the above
d. 以上所有
70. Self-driving vehicles use a(n) ____________________ algorithm to gather data, analyze it, and then carry out required
70. 自动驾驶汽车使用 a(n) ____________________算法来收集数据、分析数据,然后执行所需的操作
actions.
行动。
a. sense-plan-act
一个。 感知-计划-行动
b. autonomous
b. 自主
c. Boolean