Question # 1

Programming and testing are elements of.

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system analysis

system development

implementation

system design

Stored instructions and data in a digital computer consist of.

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alphabets

numerals

characters

bits

_______ is a photoelectric scanner that translate the barcode symbol into digital code.

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MICR

Barcode Reader

OCR

OMR

The Mark I was built by.

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Thomas Watson

Dr. John Mauchly

Howard Aiken

A computer program written in a high level language is called a

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Source program

Object program

Machine language program

None of the above

Data transmission speed of wire pair is

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9600 bps

9500 bps

3600 bps

3500 bps

A data arranged in intelligible form is called

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processed data

information

programe`

software

The output will be one in case any input is one in the case of.

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OR gate

AND gate

NAND gate

NOT gate

UNIX is an example of a(n)

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memory management

generic operating system

NOS

utility program

How many input leads will be required for a chip containing four two-input Not gates?

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7

14

12

13

The central processing unit comprises of

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memory ,VDU and printers

input devices output devices and memory

software arithmetic and logic unit,and control unit

software,hardware,and power supply unit

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

___________coding scheme is used by IBM

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Unicode

ASCII

EBCDIC

BCD

A digital computer performs its computation by

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mechanical means

analogy

guessing

counting

A CPU has

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control unit consisting of program counter and instruction decoded,and arithmetic unit having accumulator.

bubble memory

visual display unit

auxiliary storage unit

Alphanumeric characters are expressed in terms of binary codes. In ASCII (American standard Code for Information Interchange) each character is represented as a

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8 bit code

4 bit code

5 bit code

7 bit code

The central processing Unit (CPU) comprises of.

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memory, VDU , and printer

input device , output device and memory

store , arithmetic and logic unit and control unit

software, hardware and power supply unit

The output of a sequential circuit depends upon

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present input

past inputs

both a and b

none of a and b

Super computers are usually designed to process complex scientific applications and the computational speed of the system is most important. Each address in the CRAY-1 holds

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16 bits of information

32 bits of information

48 bit of information

64 bits of information

Binary coded decimal number express each decimal digit as

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binary degits

nibble

word

byte

The most powerful computers are

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Supercomputer

mainframe computers

super minis

super micros

The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.

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microwave

transponder

cable

modem

How many pairs of computers can simultaneously communicate on Ethernet LAN?

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1

2

3

multiple

Use to ensure that no alternative is overlooked during data analysis.

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data flow diagram

organization chart

Gantt chart

decision table

Which of the following function is referred as the complementary.?

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OR function

NOT function

NAND function

AND function

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

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Data processing

Data Computing

Data communication

Data sequencing

Error reports are an example of

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sheduled report

on-demand reports

exception reports

external reports

A search engine is

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A software to search for engines

A device search for motor engine

A website that sells products and services

A website that look through databases for matching criteria

The hexadecimal number system is widely used in analyzing and programming in.

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analog computers

binary computers

decimal computers

micro computers

An AND gate will function as OR if.

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all the inputs to the gates are "I"

all the inputs are "O"

a Not gate is added to it

all the inputs and outputs are complemented

To activate an object, send

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a message

an instance

a method

an attribute

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