Computer Test Review

Lessons 1 and 2

Which accurately describes a controller?

a. It controls the RAM, which allows you to measure machine cycles.

b. It controls data on the ROM.c. It controls the transfer of

data from a computer to a peripheral device.

d. It is measured in pico seconds.

c. It controls the transfer of data from a computer to a peripheral device.

A notebook computer is usually larger than a

personal computer.

•False

A(n) ______________ is the type of computer used at home or at the office by one person.

• microcomputer• personal computer• desktop computer

The memory on the motherboard is short

term.

•True

RAM is volatile.

•True

All of the following are types of data except ____.

a. textb. diskettesc. Imagesd. numbers

b. diskettes

___________ allow outside organizations to access internal information systems of another

organization.

•Extranets

In a computer system, ____ is the information that is entered into the

computer.a. softwareb. datac. instructionsd. diskettes

b. data

The ____ cycle refers to the amount of time it takes a CPU to execute an instruction and store the results.

a. machineb. instructionc. systemd. execution

d. execution

Which number would you find in binary code?

a. 1b. -1c. 2d. 22

a. 1

Which of the following is NOT a type of operating system for personal

computers?a. Adobe Abscamb. Microsoft Windowsc. Mac OSd. DOS

a. Adobe Abscam

A ____ is an example of an optical storage device.

a. CD-ROMb. floppy diskettec. Jaz drived. network drive

a. CD-ROM

Which is NOT part of a computer system?

a. mainframe technologyb. peoplec. Hardwared. data

a. mainframe technology

____ are special instructions that control the activities of a computer.

a. CPUsb. Chipsc. Programsd. ALUs

c. Programs

In a computer system, ___________ is the intangible

set of instructions that tells the computer what to do.

•software

Optical storage devices use laser technology to

read and write data.

•True

The more ____ that your computer has, the faster it processes data.

a. RAMb. CPUc. PICOd. NANOS

a. RAM

Mainframe computers are the largest and

most powerful category of computers.

•False

Expansion boards are also called expansion _____________.

•cards

A computer system consists of many

components working together.

•True

A ____ is a computer chip that performs a special function in an

appliance or other device .a. disketteb. protocolc. datad. microprocessor

d. microprocessor

A microprocessor connects one

computer to other computers and

peripherals.•False

Which is usually the smallest computer?

a. personal computerb. PCc. PDAd. notebook computer

c. PDA

A byte comprises ________bits.

•8

The acronym "PDA" stands for __________________________.

•personal digital assistant

Home computers are the least popular kind

of computer today.

•False

Which would be used for centralized storage?

a. notebook computersb. microcomputersc. PDAsd. mainframe computers

d. mainframe computers

The combination of parts that work together in a computer are

called the computer ___________.

•system

A computer is an electronic device.

•True

In a computer system, the ____________ is the tangible,

physical equipment.

•hardware

A ____ is a device that controls the transfer of data from the computer to

a peripheral device or vice versa. a. controllerb. motherboardc. plotterd. mouse

a. controller

A minicomputer is usually larger than a

microcomputer.

•True

______________, or rules, govern the orderly transfer of

data within data communications.

•Protocols

In data communication, it is the _____________ that carries the

message.

•channel

Wide-area networks contain many local area

networks.

•True

Reliability and ______________ are major advantages of using

an intranet.

•security

The CPU has two primary sections: the control unit and

the ______________/logic unit.

•arithmetic

The processor is the "brains" of the

computer.

•True

A(n) ____________ is a type of storage media used to store

large amounts of data inside the computer.

• hard disk drive• hard drive• hard disk

A(n) ___________ is an opening on the motherboard where a circuit board can be inserted.

•expansion slot

The most commonly used feature of the Internet is

____________.

•e-mail•electronic mail

Which process does a computer do?

a. produces a resultb. files definitionsc. creates memoryd. displays storage

a. produces a result

Computers are classified by size,

storage capacity, and application.

•False

The ___________ is an example of a device that can perform

both input and output functions.

•modem

The most popular code system is ___________________.

•ASCIIAmerican Standard Code for Information Interchange

The joystick is the most common input device for entering numeric

and alphanumeric data.

•False

Microcomputers usually are classified by the type of

_________ system they use.

•operating

The _________ unit coordinates all activities from the CPU.

•control

The facts or information entered into a computer to be processed

is the __________.

•data

A mouse must be connected to the

computer with a cable or cord.

•False