计算机专业英语2013影印版课后答案(Computing Essentials 2013)选择题

计算机专业英语2013影印版课后答案

（Computing Essentials 2013）选择题

Multiple 1

1. The keyboard, mouse, monitor, and system unit are:

hardware output devices storage devices software

2. Programs that coordinate computer resources, provide an interface, and run applications are known as:

application programs operating systems

storage systems utility programs

3. A browser is an example of a:

basic application specialized program

system application utility program

4. Although not as powerful as a supercomputer, this type of computer is capable of great processing speeds and data storage.

mainframe media center midrange netbook

5. The smallest type of microcomputer:

netbook handheld midrange tablet PC

6. RAM is a type of:

computer memory network secondary storage 7. Unlike memory, this type of storage holds data and programs even after electrical power to the computer system has been turned off.

primary RAM ROM secondary

8. The type of file created by word processors to save, for example, memos, term papers, and letters.

database document presentation worksheet

9. The change in connectivity that uses the Internet and the Web to shift many computer activities from a user’s comput er to computers on the Internet.

cloud computing high definition network USB

10. The largest network in the world is [the]:

Facbeook Internet Web USB

Multiple 2

1. The network that connects computers all over the world.

CERN Internet LAN Web

2. The rules for exchanging data between computers.

DSL protocols Web WWW

3. Client-based e-mail accounts require this special program to be installed on your computer.

e-mail client hyperlink Java utility

4. Communities of individuals who share a common interest typically create Facebook:

clients groups pages profiles

5. E-mail that does not require an e-mail program installed on a user's computer is known as:

blog podcast Webmail utility

6. A very well-known microblog.

LinkedIn MySpace Twitter Wikipedia

7. These programs continually look for new information and update search services’ database programs.

filters IM spiders wikis

8. A type of search engine that submits requests to other search engines, organizes their responses, eliminates duplicate responses, orders hits, and then provides an edited list.

directory search ISP

metasearch engine specialized search engine

9. This is th e Internet’s equivalent to traditional cash.

digital cash e-commerce icash Internet dollars 10. Using file transfer utility software, you can copy files to your computer from specially configured servers on the Internet. This is called:

downloading filtering blogging uploading

Multiple 3

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

application general purpose system utility

2. A rectangular area that can contain a document, program, or message.

dialog box form frame window

3. Programs that create text-based documents.

DBMS suites spreadsheets word processors 4. Programs that organize, analyze, and graph numeric data such as budgets and financial reports.

DBMS suites spreadsheets word processors

5. In a spreadsheet, the intersection of a row and column creates a:

cell formula function label

6. A collection of related data that is the electronic equivalent of a file cabinet.

cell database document table

7. A database tool that will quickly rearrange a table’s records according to a selected field.

filter sort spreadsheet word processor

8. Programs that combine a variety of visual objects to create attractive, visually interesting presentations.

DBMS presentation graphics spreadsheet word processor 9. The primary disadvantage of this type of package is that the capabilities of each function are not as extensive as in individual programs.

integrated office software utility

10. A type of suite stored at a server on the Internet and available anywhere through Internet access.

cloud integrated office utility

Multiple 4

1. These specialized graphics programs combine text and graphics to create publications of professional quality.

desktop publishing programs image editors

image galleries illustration programs

2. Also known as drawing programs.

desktop publishing programs image editors

image galleries illustration programs

3. Graphics programs used to create and edit vector images.

desktop publishing programs image editors

image galleries illustration programs

4. An essential multimedia feature that allows user participation.

Flash interactivity immersion raster

5. Special programs used to create multimedia presentations.

desktop publishing programs Flash editors

image editors multimedia authoring programs 6. A widely used interactive animation application from Adobe.

ACTION Flash Fuzzy WYSIWYG

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

apps HTML editors VR programs Web editors

8. This area of artificial intelligence is also known as expert systems.

acoustics knowledge-based systems robotics virtual reality 9. A type of artificial intelligence that uses a database to provide assistance to users.

acoustics expert systems robotics virtual reality 10. Another name for the database used in expert systems that contains specific facts and rules.

access table expert table knowledge base rule base

Multiple 5

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

dapplication desktop Linux system

2. The programs that convert programming instructions written by programmers into a language that computers understand and process are language: converters linguists managers translators

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

diversion multitasking operational interference programming 4. Graphic representations for a program, type of file, or function:

app icon image software

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

dialog box menu mouse pointer

6. The operating system based on Linux, designed for Netbook computers, and focused on Internet connectivity through cloud computing:

Chrome Mac Unix Windows

7. The mobile operating system developed by Apple and originally called iPhone OS:

Android BlackBerry OS IOS Mac OS

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

Backup and Restore Disk Cleanup Disk Defragmenter Compactor 9. A troubleshooting utility that identifies and eliminates nonessential files, frees up valuable disk space, and improves system performance:

Backup and Restore Disk Cleanup Disk Defragmenter Compactor 10. Windows makes it easy to update drivers with Windows:

Backup Restore Driver Update

Multiple 6

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

carrier package system board system unit TV tuner

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

chassis desktop media center netbook

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

analog bus digital maximum

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

computer board processor mobile system system board 5. How many bytes can a 32-bit-word computer access at one time?

1 48 16

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

bus chip module RAM

7. This type of memory divides large programs into parts and stores the parts on

a secondary storage device.

direct expanded random-access virtual

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

AIA expansion graphics network

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

bus Plug and Play wired wireless

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

buses expandable legacy rendered

Multiple 7

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

Alpha Daisy OptiKey QWERTY

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

cord mouse printer scanner

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

trackball joystick cordless mouse 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.

digital dynamic multitouch OLED

5. Flatbed and document are types of:

headsets HDTVs monitors scanners

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

MICR FDIC OMR UPC

7. The most widely used audio-input device.

mouse VR microphone TFT

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

aspect ratio dot pitch refresh rate resolution rate 9. Handheld, book-sized devices that display text and graphics.

e-book readers HDTV lasers whiteboards

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

CRT HDTV LED Mobile DTV

Multiple 8

1. RAM is sometimes referred to as:

primary storage ratio active memory

read only memory secondary storage

2. The actual physical material that holds the data and programs.

primary storage media disk access

3. Measures how tightly these charges can be packed next to one another on the disk.

density cylinders tracks sectors

4. When a read/write head makes contact with the hard disk’s surface, it causes

a head:

crash land pit scratch

5. This hard-disk performance enhancement anticipates data needs.

disk caching file compression file decompression RAID

6. This type of storage uses pits and lands to represent 1s and 0s.

cloud hard disk optical solid state

7. DVD stands for:

digital versatile disc digital video data

dynamic versatile disc dynamic video disc

8. USB drives are also known as:

flash drives optical drives ports universal state bus

9. An organizational strategy to promote efficient and safe use of data across the networks.

cloud dynamic data mission statement

enterprise storage system RAID

10. A mass storage device that provides access to data archived on tapes.

file system NAS RAID system tape library

Multiple 9

1. The concept related to using computer networks to link people and resources.

connectivity GPS TCP/IP Wi-Fi

2. A high-frequency transmission cable that delivers television signals as well as connects computers in a network.

coaxial hi def 3-D twisted pair

3. A short-range radio communication standard that transmits data over short distances of up to approximately 30 feet.

Bluetooth broadband DSL TCP/IP

4. The speed with which a modem transmits data is called its:

digital velocity dynamic rate modular rating transfer rate

5. The bandwidth typically used for DSL, cable, and satellite connections to the Internet.

baseband broadband medium band voiceband

6. Every computer on the Internet has a unique numeric address called a(n):

IP address DNS broadcast packet

7. Sometimes referred to as a LAN adapter, these expansion cards connect a computer to a network.

PCMCIA NIC server VPN

8. A device that allows one LAN to be linked to other LANs or to larger networks.

IDS network gateway PAN switch

9. Typically using Wi-Fi technology, these wireless access points are typically available from public places such as coffee shops, libraries, bookstores, colleges, and universities.

hotspots extranets PANs LANs

10. Star, tree, and mesh are three types of network:

topologies protocols strategies devices

Multiple 10

1. The three primary privacy issues are accuracy, property, and:

access ethics ownership security

2. To easily get names, addresses, and other details about a person using only his or her telephone number, government authorities and others use a(n): adware cookie keystroke logger reverse directory worm

3. Browsers store the locations of sites visited in a:

history menu tool bar firewall

4. The browser mode that eliminates history files and blocks most cookies.

detect insert privacy sleep

5. The information that people voluntarily post in social networking sites, blogs, and photo- and video-sharing sites is used to create their:

access approval firewall online identity phish

6. Computer criminals who specialize in stealing, trading, and using stolen credit cards over the Internet are known as:

carders card scammers cyber traders identity thieves

7. Programs that come into a computer system disguised as something else are called:

Trojan horses viruses Web bugs zombies

8. The use of the Internet, cell phones, or other devices to send or post content intended to hurt or embarrass another person is known as:

cyber-bullying online harassment

social media discrimination unethical communication

9. Special hardware and software used to con trol access to a corporation’s private network is known as a(n):

antivirus program communication gate

firewall spyware removal program

10. To prevent copyright violations, corporations often use:

ACT DRM VPN WPA

Multiple 11

1. People who react to technology by thinking computers are magic boxes capable of solving all kinds of problems that computers really can’t handle are: cynics frustrated na?ve proactive

2. The type of person that looks at technology in a positive realistic way is:

cynical proactive na?ve frustrated

3. Books, journals, and trade associations are the best sources to help you:

develop personal contacts develop specialties

look for innovative opportunities maintain your computer competency 4. If your career is in marketing, it makes sense to develop a specialty in:

database desktop publishing

programming systems analysis and design

5. What computer professional repairs and installs computer components and systems?

computer technician data entry worker

desktop publisher software engineer

6. What computer professional designs, tests, and researches encryption procedures?

cryptographer network administrator

programmer software engineer

7. What computer professional uses database management software to determine the most efficient ways to organize and access data?

cryptographer database administrator

programmer software engineer

8. What computer professional oversees the work of programmers, computer specialists, systems analysts, and other computer professionals?

information systems manager network manager

software engineer technical writer

9. What computer professional creates, tests, and troubleshoots computer programs?

network manager programmer

software engineer technical writer

10. What computer professional plans and designs information systems?

network manager programmer

software engineer systems analyst