Question # 1

Which of the following is associated with second generation computers

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transistors

high level procedural language

magnetic core memory

all of above

A device that inputs data by scanning letters and number is a

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keyboard

wand reader

mouse

diskette

_________is secondary device

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Hard Disk drive

CD-ROM drive

Tape drive

All

A magnetized spot represents.

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cpi

MB

0 bit

1 bit

In Boolean algebra A.0 is

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0

1

A+0

A+1

BCD stands for

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Bit coded digit

Byte coded decimal

Binary coded decimal

None

Token passing prevents data collisions by.

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Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

125₈(octal) in decimal equivalent is equal to.

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83₁₀

84₁₀

85₁₀

86₁₀

_________ is an autio input device:

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Digital camera

Microphone

Video camera

Speaker

A color screen with the best resolution has the most.

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CRT

VGA

COM

pixel

An assembly language uses

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English words

mnemonic codes

0s and 1s

binary digits

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

Simulation is a process in which

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computer is used to control a process

computer gather data for later processing

full capacity of the system is utilized

the computer system and program are used to produce actions similars to those in a real physical system

The correct processing unit

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is operated from the control panel

is controlled by the auxiliary storage unit

is controlled by input as it enters the system

controls all input,output, and processing

The first few working computers.

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were all made by American scientists

were used almost exclusively for text processing

generally had black and white CRT screen

were, for the most part, developed for wartime uses

Which of the following is not a category of network problems.

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Newsgroup problems

Physical problems

Electrical problems

Viruses

The process of allocating main memory to programs and keeping the programs in memory separate from each other is called

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memory protection

memory management

virtual storage

real storage

Binary number 10101101 is equivalent in decimal form to.

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170

171

173

174

97₁₀(decimal) in octal number system is equivalent to.

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136₈

140₈

139₈

141₈

Which of the following is increasing as computer technology progresses?

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speed

efficiency

hardware reliability

all of these are inceasing

126₈+ 425₈= __________

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111101011₂

101101001₂

101101011₂

101100011₂

Mainframe computers are capable of communicating with several users simultaneously by.

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using a terminal

using a supercomputer

using a workstation

timesharing

Another name for a logic chip is.

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PROM

memory

microprocessor

ROM

Which of the following cable is comprised of two separate insulated copper wires that are twisted?

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Fiber optics

Twisted pair wire

coax

Submarine

Computer follows a simple principle called GIGO which meas

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Garbage input good output

garbage in garbage out

great instruction great output

good input good output

The basic operation performed by the computer is called

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arithmetic operation

logic operation

storage and retrieval operation

all of above

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

The major generational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

The most commonly used output devices in a computer system are

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printers and monitors

disk drives and printers

disk drive and tape drives

tape drive and keyboards

What does the acronym ISDN stand for?

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International Services Data Network

Intelligent Services Digital Network

Integrated Services Digital Network

Interactive Services Digital Network

Number 375₁₀is equivalent in binary system to.

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101110101

100110101

101110111

101110011

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