computer test review lessons 1 and 2. which accurately describes a controller? a.it controls the...
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![Page 1: 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](https://reader037.vdocuments.us/reader037/viewer/2022103123/56649da05503460f94a8b38a/html5/thumbnails/1.jpg)
Computer Test Review
Lessons 1 and 2
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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.
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A notebook computer is usually larger than a
personal computer.
•False
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A(n) ______________ is the type of computer used at home or at the office by one person.
• microcomputer• personal computer• desktop computer
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The memory on the motherboard is short
term.
•True
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RAM is volatile.
•True
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All of the following are types of data except ____.
a. textb. diskettesc. Imagesd. numbers
b. diskettes
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___________ allow outside organizations to access internal information systems of another
organization.
•Extranets
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In a computer system, ____ is the information that is entered into the
computer.a. softwareb. datac. instructionsd. diskettes
b. data
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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
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Which number would you find in binary code?
a. 1b. -1c. 2d. 22
a. 1
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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
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A ____ is an example of an optical storage device.
a. CD-ROMb. floppy diskettec. Jaz drived. network drive
a. CD-ROM
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Which is NOT part of a computer system?
a. mainframe technologyb. peoplec. Hardwared. data
a. mainframe technology
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____ are special instructions that control the activities of a computer.
a. CPUsb. Chipsc. Programsd. ALUs
c. Programs
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In a computer system, ___________ is the intangible
set of instructions that tells the computer what to do.
•software
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Optical storage devices use laser technology to
read and write data.
•True
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The more ____ that your computer has, the faster it processes data.
a. RAMb. CPUc. PICOd. NANOS
a. RAM
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Mainframe computers are the largest and
most powerful category of computers.
•False
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Expansion boards are also called expansion _____________.
•cards
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A computer system consists of many
components working together.
•True
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A ____ is a computer chip that performs a special function in an
appliance or other device .a. disketteb. protocolc. datad. microprocessor
d. microprocessor
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A microprocessor connects one
computer to other computers and
peripherals.•False
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Which is usually the smallest computer?
a. personal computerb. PCc. PDAd. notebook computer
c. PDA
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A byte comprises ________bits.
•8
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The acronym "PDA" stands for __________________________.
•personal digital assistant
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Home computers are the least popular kind
of computer today.
•False
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Which would be used for centralized storage?
a. notebook computersb. microcomputersc. PDAsd. mainframe computers
d. mainframe computers
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The combination of parts that work together in a computer are
called the computer ___________.
•system
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A computer is an electronic device.
•True
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In a computer system, the ____________ is the tangible,
physical equipment.
•hardware
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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
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A minicomputer is usually larger than a
microcomputer.
•True
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______________, or rules, govern the orderly transfer of
data within data communications.
•Protocols
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In data communication, it is the _____________ that carries the
message.
•channel
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Wide-area networks contain many local area
networks.
•True
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Reliability and ______________ are major advantages of using
an intranet.
•security
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The CPU has two primary sections: the control unit and
the ______________/logic unit.
•arithmetic
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The processor is the "brains" of the
computer.
•True
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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
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A(n) ___________ is an opening on the motherboard where a circuit board can be inserted.
•expansion slot
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The most commonly used feature of the Internet is
____________.
•e-mail•electronic mail
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Which process does a computer do?
a. produces a resultb. files definitionsc. creates memoryd. displays storage
a. produces a result
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Computers are classified by size,
storage capacity, and application.
•False
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The ___________ is an example of a device that can perform
both input and output functions.
•modem
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The most popular code system is ___________________.
•ASCIIAmerican Standard Code for Information Interchange
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The joystick is the most common input device for entering numeric
and alphanumeric data.
•False
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Microcomputers usually are classified by the type of
_________ system they use.
•operating
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The _________ unit coordinates all activities from the CPU.
•control
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The facts or information entered into a computer to be processed
is the __________.
•data
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A mouse must be connected to the
computer with a cable or cord.
•False