Question # 1

The first digital computer to work electrically was the.

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UNIVAC

Atanasoff-Berry Computer

Mark I

analytical machine

The process of transferring data from one location to another is called:

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Data processing

Data Computing

Data communication

Data sequencing

An interfact is basically a component that

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test the system

corrects the errors in program

allows two incompatible entities with one another

enhances the capability of a system/equipment

A computer can not do anything without

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programme

input device

output device

VDU

_________Coding schemes use 4 bit code

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Unicode

ASCII

EBCDIC

BCD

The first computer to use electrical power was developed by.

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Herman Hollerith

Thomes J. Watson

John V. Atanasoff

Howard Aiken

Operating System involved by AT&T is

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Macintosh

Unix

OS/2

Windows

A hybrid computer is the one having combined properties of

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super and microcomputers

mini and microcomputers

analog and digital computers

none of the above

IBM's System/360 family of computers was introduced during the.

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1950s

third generation

second generation

1990s

In preparing a program, desk-checking and translation are example of

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coding

planning

testing

documentating

According to Boolean algebra x + 1 = ______________

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0

1

x

Examples of pointing devices that are used for computer input are.

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joysticks

mice

trackballs

all of the above

The data obtained by counting are called

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digital data

continuous data

analog data

discrete data

An emerging technology that provides nonvolatile memory chips is.

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flash memory

PROM

CMOS

CISC

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

A collection of related fields in data organizing is called

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group

register

file

record

Shift of register by one bit to left in binary code is equivalent to

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addition of 2

subtraction of 2

division by 2

multiplication by 2

An on-screen picture

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page

NOC

icon

spool

Each location in primary storage is assigned a unique.

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data

field

name

address

Terminal is a.

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device to give power supply to computer

point at which data enter or leaves the computer

the last instruction in a program

any input/output device

Base 8 is often used in computing because.

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there are 8 bit in a byte

calculations become easier by using base 8

electronic circuits can be made econmically

it can represent long strings of binary 1's an 0's in a more compact form

Soft copy refers to.

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OCR-A

screen output

microfiche

digitizing

A computer has very high speed, accuracy and reliability . Its intelligent quotient could be of the order of

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0

10

15

20

The main advantage of analog computers compared to digital computers is that they are more.

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efficient in continuous calculations such as differentiation and integration

efficient in handling vast data

accurate and precise

reliable

The major generational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

Identify the legal FORTRAN arithmetic assignment statement?

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X = a+b +1

0.75 = A - B^c

SN - a * (1-r **n) / (1 - r)

NET + PR = SALE - COST

A set raw, unprocessed facts, figures and symbols is called

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Information

Data

Instruction

Code

Which of the following topologies is passive?

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Star topology

Ring topology

Bus topology

Hybrid topology

In a three input NAND gate, if all the inputs are 1, the output is.

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0

1

3

indeterminate

The operation of arithmetic logic unit (ALU) is directed by.

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the ALU itself

program

control unit

memory unit

The term 'baud' is a measure of the

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speed at which data travels over a communications line

capacity of memory

error detection/correction capability of computer system

instruction execution time

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