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计算机专业英语(课后题)

第四章课后习题

Circle the correct answer:

specialized graphics programs combine text and graphics to create publications of professional quality: publishing programs galleries

editors programs

known as drawing programs.

publishing programs galleries

editors programs

programs used to ctreate and edit vector images.

publishing programs galleries

editors programs

essential multimedia feature that allowa user participation

programs used to create multimedia presentations.

publishing programs

authoring programs

widly used interactive animation application from Adobe.

for Web site design and HTML coding are called Web page editors or

programs

editors editors

area of artificial intelligence is also known as expert systems.

systems. reality

type of artificial intelligence that uses a database to provide assistance to users.

systems reality

name for the database used in expert sysrems that contains specific facts and rules.

table base

Match each numbered item with the most closely related lettered your answers in the spaces provided.

editing e graphics programs for editing or modifying digital images

images b name for raster images.

g images contain thousands of dots known as .

a of software used to create and edit audio clips.

editors d link on amultimedia page used to locate and discover information.

c Web site create

d by an individual

j process of creating a Web site.

reality h known as artificial reality or virtual environments.

i machines that mimichuman activities

authoring f type of app designed for smartphones,netbooks,and the correct answer:

type of software works with users,application software,and computer hardware to handle the majority of technical details

programs that convert programming instructions written by programmers into a language that computers understand and process are language:

ability to switch between different applications stored in memory is called :

interference

representations for a program,type of file,or function:

operating system feature is controlled by a mouse and changes shape depending on its current function

box

operating system based on Linux,designed for Netbook computers,and focused on Inernet connectivity through cloud computing:

c. UNIX

mobile operating system develop by Apple and originally called iPhone OS :

OS OS

utility program that makes copies of files to be used in case the originals are lost or damaged:

and Restore Defragmenter

Cleanup

troubleshooting utility that identifiles and eliminates nonessential files,frees up valuable disk space ,and improves system performance:

and Restore Defragmenter

Cleanup

makes it easy to update drivers with Windows:

d. Update

Match each numbered item with the most closely related lettered item. Write your answers in the spaces provided.

h that perform specific tasks related to managing computer resources

Camp j a running computer without turning off the power

e o

f operatin

g system that controls and coordinates networked computers.

f operatin

g system is often referred to as the software environment or

b Macintosh computers toren both Ma

c OS an

d th

e Windows operating system.

i type of software that allows a single physical computer to operate as though it were two or more separate

and independent computers.

g operating system that is owned by Google and is one of the fastest-growing mobile operating systems.

a of program that guards computer systems fromviruses and other damaging programs.

I. virtualization d a file cannot be saved on a single track ,it has to be

boot c that works with the operating system to allow communication between a device and the rest of a computer system is called a device

第六章

选择题

1. this container houses most of the electrical components for a computer system.

a. carrier package c. system unit

b. system board d. TV tuner

2. similar to notebooks, this system unit specializes in on-the-go Web browsing and e-mail access.

a. chassis c. media center

b. desktop d. netbook

3. computers can only recognize this type of electronic signal.

a. analog c. digital

b. bus d. maximum

4. the main or motherboard is also known as the:

a. computer c. mobile system

b. board processor d. system board

5. how many bytes can a 32-bit-wrd computer access at a time

a. 1 c. 8

b. 4 d. 16

6. in a microcomputer system , the central processing unit is contained on a single:

a. bus c. module

b. chip d. RAM

7. this type of memory divides large programs into parts and stores the parts on a secondary storage device.

a. direct c. random-access

b. expanded d. virtual

8. also known as NIC, this adapter card is used to connect a computer to a :

a. AIA c. graphics

b. expansion d. network

9. this provides a pathway to connect parts of the CPU to each other:

a. bus c. wired

b. Plug and Play d. wireless

10. older ports that have largely been replaced by faster, more flexible ports are called:

a. buses c. legacy

b. expandable d. rednered

匹配题

1. The category of system units that blurs the line between desktop computers and dedicated entertainment devices. Media center

2. The newer type of tablet PC that is almost all monitor. slate

3. System board component that provides a connection point for specialized cards or circuit boards. slots

4. Plastic cards the size of a regular credit card that have an embedded specialty chip. Smart cards

5. A type of memory that improves processing by acting as a temporary high-speed holding area between the memory and the CPU. cache

6. A type of memory that provides a combination of features of RAM and ROM. Flash

7. A generic term that is associated with the ability to attach any device onto a computer and have it play or work immediately. Plug and Play

8. This bus connects the CPU to memory on the system board. system

9. This port can be used to connect many USB devices to the system. USB

10. This unit plugs into s standard wall outlet and converts AC to DC. Power supply

第七章

选择题

1. Most keyboards use an arrangement of keys known as:

a. Alpha c. OptiKey

b. Daisy d. QWERTY

2. The device that controls a pointer displayed on the monitor.

a. cord c. printer

b. mouse d. scanner

3. Also known as a roller ball, this device controls the pointer by rotating a ball with your thumb.

a. trackball c. cordless mouse

b. joystick d. stylus

4. The type of screen that can be touched with more than one finger and supports zooming in and out by pinching and stretching your fingers.

a. digital c. multitouch

b. dynamic d. OLED

5. Flatbed and document are types of:

a. headsets c. monitors

b. HDTVs d. scanners

6. Device used by banks to automatically read those unusual numbers on the bottom of checks and deposit slips.

a. MICR c. OMR

b. FDIC d. UPC

7. The most widely used audio-input device.

a. mouse c. microphone

b. VR d. TFT

8. The monitor feature that specifies how often a displayed image is updated.

a. aspect ratio c. refresh rate

b. dot pitch d. resolution rate

9. Handheld, book-sized devices that display text and graphics

a. e-book-readers c. lasers

b. HDTV d. whiteboards

10. This technology allows television stations to broadcast their programming directly to smartphones, computers, and digital media players.

a. CRT c. LED

b. HDTV d. Mobile DTV

匹配题

1. Pressing this key turns this feature on or off. Caps lock

2. This type of mouse has a ball on the bottom and is attached with a cord to the system unit. Mechanical

3. A penlike device commonly use with tablet PCs and PDAs. stylus

4. Bar code readers use either handheld wand readers or platform. scanners

5. Bar code system used by many electronic cash registers. UPC

6. Records images digitally on a disk or in its memory. Digital camera

7. The distance between each pixel. Dot pitch

8. A type of monitor that activates each pixel independently. Active-matrix

9. Special-purpose printers for creating maps, images, and architectural and engineering drawings. plotters

10. A type of Internet telephone service that requires a small adapter that connects directly to your computer’s

USB port. MagicJack

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1.home page 主页 2.graphical user interface (GUI) 图形用户界面 3.artificial intelligence 人工智能 4.carbon copy 打字副本 5.field 字段 6.software suite 软件套装 7.desktop operating system 桌面操作系统 https://www.sodocs.net/doc/73470415.html,ser printer 激光打印机 9.machine language 机器语言 10.relational database 关系数据库 11.menu bar 菜单栏 12.secondary storage 辅助存储器；二级存储器 13.system software 系统软件二、 1.内存 memory 2.输入设备 input device 3.扬声器 speaker

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_________.

A、people B、OS C、keyboards D、procedures E、software ( abc ) 2、For microcomputer, there are three basic system units: ____________ . A、Desktop system units B、Notebook system units C、Personal digital assistant system units D、Arithmetic-logic units ( a ) 3、Language translators convert programming statements into__________. A、machine languages B、UNIX C、service programs D、operating systems ( b ) 4、The ____________is a list of commands or options from which you can choose. A、icon B、menu C、window D、pointer ( a ) 5、Database management systems are comprised of tables that are made of rows called __________ and columns called __________ . A、fields, records B、ranges, sheets C、records, fields D、 records, ranges ( abcd )6、The four main computer operations are _________.

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