Deck 7: Basic Computer Principles

Question 1

A barcode reader is a type of ______ device.

A) processing
B) input
C) output

Answer 1

input

Question 2

A parallel port sends ______ bit(s) of data through a connection compared with a serial port, which can send ______ bit(s) of data.

A) 8; 2
B) 8; 1
C) 2; 8
D) 1; 8

Answer 2

8; 1

Question 3

The system clock uses a:

A) lithium battery.
B) quartz battery.
C) vibrating quartz crystal.
D) vibrating lithium crystal.

Answer 3

vibrating quartz crystal.

Question 4

Binary code is a computer language based on:

A) ones and zeros.
B) ones and tens.
C) tens and zeros.

Question 5

How many bits make up four bytes?

A) 8
B) 16
C) 32
D) 64

Question 6

All of the following are used with a serial port except a:

A) mouse.
B) modem.
C) printer.
D) scanner.

Question 7

All of the following use buses that are found within the computer except the:

A) USB.
B) SCSI.
C) AGP.
D) BCBV.

Question 8

The microprocessor uses the BIOS during:

A) start-up diagnostics.
B) the stand-by mode.
C) the shutdown process.

Question 9

How many bytes are needed to store one alphanumeric character?

A) 1
B) 8
C) 32
D) 64

Question 10

The series of connections, controllers, and chips that create the information highway within the computer system is known as the:

A) motherboard.
B) BIOS.
C) BUS.
D) memory.

Question 11

The collection of connectors that link the PC to various peripherals are known as:

A) terminals.
B) piers.
C) ports.
D) docks.

Question 12

RAM is:

A) permanent for the CPU.
B) long term for open programs.
C) temporary for the CPU.
D) short term for open programs.

Question 13

RAM is an acronym for ______ memory.

A) rapid access
B) read alternative
C) random access
D) read access

Question 14

The fastest and most versatile port is the:

A) parallel port.
B) serial port.
C) USB.
D) SCSI.

Question 15

Memory is measured in:

A) hertz.
B) joules.
C) bits.
D) bytes.

Question 16

If a PC had a 5.0-GHz CPU, it would have a system clock that would tick ______ billion times per second.

A) 1
B) 3
C) 5
D) 7

Question 17

All of the following are common SCSI devices except the:

A) modem.
B) hard drive.
C) CD-ROM.
D) scanner.
E) printer.

Question 18

The CPU is:

A) the PC encasement.
B) an external storage device.
C) a microprocessor found on the motherboard.
D) a stand-alone microprocessor.

Question 19

In the binary code, the value of one is assigned when a transistor is _____ and the current _____ through.

A) open; passes
B) closed; passes
C) open; does not pass
D) closed; does not pass

Question 20

Storage capacity for early hard drives was:

A) 10 GB.
B) 100 GB.
C) 10 MB.
D) 100 MB.

Question 21

The information storage capacity of a DVD is ______ times more than that of a CD.

A) 1
B) 3
C) 5
D) 7

Question 22

All of the following are major operating systems except:

A) Windows.
B) Macintosh.
C) Hologic.
D) UNIX/Linux.

Question 23

The refresh rate controls the:

A) scan.
B) flicker.
C) resolution.
D) reload.

Question 24

The power supply is designed to absorb the force of a power surge to the computer.

Question 25

Most modern keyboards connect to the back of the box using a ______ connection.

A) PS/1
B) PS/2
C) PS/3
D) PS/4

Question 26

All but _____ are commonly used mice.

A) infrared
B) mechanical
C) optomechanical
D) laser

Question 27

The higher the resolution, the less information that can be displayed on the monitor.

Question 28

The basic picture element is known as a:

A) matrix.
B) dot.
C) pixel.
D) bit.

Question 29

The operating system software acts as a bridge between applications and hardware.

Question 30

"Write once, read many" is represented by which of the following identifiers?

A) ROM
B) RO
C) R
D) RW

Question 31

A GUI is best known as a(n):

A) word command.
B) file command.
C) icon.
D) memory unit.

Question 32

Response rate refers to the amount of time it takes the crystal to go:

A) to an on state.
B) from an off state to on and vice versa.
C) to an off state.
D) from an on state to an off state.

Question 33

A dot triad is a grouping of:

A) one red dot, one green dot, and one yellow dot.
B) one green dot, one blue dot, and one yellow dot.
C) one red dot, one blue dot, and one yellow dot.
D) one green dot, one blue dot, and one red dot.

Question 34

What metal is contained behind the outer layers of a DVD?

A) Silver
B) Aluminum
C) Gold
D) Platinum

Question 35

Real-time operating systems are commonly found on:

A) large company mainframes.
B) modern x-ray equipment.
C) personal computers.
D) personal organizers.

Question 36

UNIX was developed by:

A) Microsoft.
B) Dell.
C) Bell.
D) Hewlett-Packard.

Question 37

______ represents how close the dots are located to one another within a pixel.

A) Dot matrix
B) Aspect ratio
C) Viewable area
D) Dot pitch

Question 38

All mice connections are ______ type.

A) serial
B) parallel
C) pier
D) port

Question 39

One of the functions of the heavy metal case is to shield the components from radio waves and satellite frequencies.

Question 40

A handheld personal organizer is an example of a ______ operating system.

A) real-time
B) single-user, single-task
C) single-user, multitask
D) multiuser