Question # 1

Data is represented on a computer by means of a two-state on/off system called

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the octal system

the binary system

a word

ROM

Ethernet bus topologies used following Ethernet cabling

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Thin Net

Thick Net

Bold Net

a , b

SNA is an example of

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De Jure Protocol

De Facto Protocol

Network organization

None

Graphics and other paperwork can be transmitted directly using which technology?

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CSMA/CD

token passing

facsimile

bulletin board

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

Logical security for on-line systems is achieved primarily by ________ and authorization codes

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MIS

Passwords

Tactical

None of the above

Computer operations are synchronized by.

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the CPU clock

megabytes

the binary system

E-time

Popular object-oriented languages.

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Pascal, Modula-3

C++ , Smalltalk

LOGO , PROLOG

COBOL , BASIC

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

Comments in the program itself are part of

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compiling

translating

linking

documenting

The entire new system is used by a portion of the users.

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direct conversion

pilot conversion

file conversion

parallel conversion

The first high-level language to be introduced was

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COBOL

FORTRAN

Pascal

Ada

The different memory locations are identified by hexadecimal numbers called.

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ASCII code

bytes

BCD numbers

addresses

The ability to return a changed disk record to its original location is called.

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magneto-optical

rotational delay

multimedia

updating in place

A CPU has.

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control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator

bubble memory

visual display unit

auxiliary storage unit

IEEE 802.3 is

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Device Name

Protocol

Topology

None

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

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

Another word for printer.

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monochrome

microfiche

pixel

cursor

IBM-1401, CDC-6600, IBM-7030 etc. belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

A COBOL program has how many divisions

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four

two

five

seven

The computer programe consists mainly the following number of parts

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2

3

4

5

The number A9D in Hexadecimal system is equivalent to which number in binary system.

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101010111101

101010011101

101110011101

101010011111

Temporary storage areas within the CPU are called

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ROMs

Registers

Accumulators

Address

The signal that the computer is awaiting a command from the user

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prompt

time slice

event

interrupt

After starting the solution to a problem is pesudocode, the next step would be

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testing the program

coding the program

documenting the program

translating the program

The half adder circuit has

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one input

two inputs

three inputs

always more than two inputs

Pick up wrong logical expression

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Who is responsible for introducing the concept of stored program.

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Blaise Pascal

Herman Hollerith

Charles Babbage

John von Neumann

Voice input device convert voice input to

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digital code

OCR-A

bar codes

optical marks

A pictorial screen symbol that represent a computer activity is called

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pointer

touch screen

icon

miicr

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