Transcript True or False

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.
b.
c.
d.
text
diskettes
Images
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.
b.
c.
d.
software
data
instructions
diskettes
b. data
The ____ cycle refers to the amount of
time it takes a CPU to execute an
instruction and store the results.
a. machine
b. instruction
c. system
d. execution
d. execution
Which number would you find in
binary code?
a.
b.
c.
d.
1
-1
2
22
a. 1
Which of the following is NOT a type of
operating system for personal
computers?
a.
b.
c.
d.
Adobe Abscam
Microsoft Windows
Mac OS
DOS
a. Adobe Abscam
A ____ is an example of an optical
storage device.
a.
b.
c.
d.
CD-ROM
floppy diskette
Jaz drive
network drive
a. CD-ROM
Which is NOT part of a computer
system?
a.
b.
c.
d.
mainframe technology
people
Hardware
data
a. mainframe technology
____ are special instructions that
control the activities of a computer.
a.
b.
c.
d.
CPUs
Chips
Programs
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.
b.
c.
d.
RAM
CPU
PICO
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.
b.
c.
d.
diskette
protocol
data
microprocessor
d. microprocessor
A microprocessor
connects one computer
to other computers
and peripherals.
•False
Which is usually the smallest
computer?
a.
b.
c.
d.
personal computer
PC
PDA
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.
b.
c.
d.
notebook computers
microcomputers
PDAs
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.
b.
c.
d.
controller
motherboard
plotter
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.
b.
c.
d.
produces a result
files definitions
creates memory
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 ___________________.
• ASCII
American 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