More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Computer Science Online Test MCQs With Answers
Question # 1
Laser beam technology is used for.
Choose an answer
terminals
optical disk
keyboards
magnetic tape
Previous
Skip
Next
Question # 2
The analog computer deal directly with.
Choose an answer
number or pulses
measured values of continuous physical magnitudes
signals in the form of 0 or 1
signal in discrete values form 0 to 9
Previous
Skip
Next
Question # 3
Computer output produced as small film images is called
Choose an answer
OCR
COM
LCD
OMR
Previous
Skip
Next
Question # 4
How many types of data transmission modes are there?
Choose an answer
2
3
4
5
Previous
Skip
Next
Question # 5
Scheduling deadlines and milestones can be shown on a.
Choose an answer
system survey
decision table
prototype
Gantt chart
Previous
Skip
Next
Question # 6
Computer is a combination of:
Choose an answer
Software
Hardware
Both A and B
None
Previous
Skip
Next
Question # 7
A device which connects multiple nodes to the network is
Choose an answer
A modem
A Hub
A repeater
A router
Previous
Skip
Next
Question # 8
A LAN is a combination of.
Choose an answer
LAN cables
Network adapter card
LAN Application Software
All of the above
Previous
Skip
Next
Question # 9
A microprocessor has memory location from 0000 to 3FFF, each storing one byte. The number of bytes, the memory can stored is.
Choose an answer
8,192
16,384
32,768
4,096
Previous
Skip
Next
Question # 10
The major operational problem of the early first generation computers was
Choose an answer
inaccurate results
poor reliability
delayed results
limited capabilities
Previous
Skip
Next
Question # 11
Computer follows a simple rule called GIGO, GIGO stand for
Choose an answer
good input, good output
great instructions, great output
garbage in, garbage out
gated input, gated output
Previous
Skip
Next
Question # 12
Computer operations are synchronized by.
Choose an answer
the CPU clock
megabytes
the binary system
E-time
Previous
Skip
Next
Question # 13
A graph prepared by a computer.
Choose an answer
Is its output
Is the piece of information to user
Is a hard copy
All of the above
Previous
Skip
Next
Question # 14
The output of a sequential circuit depends upon
Choose an answer
present input
past inputs
both a and b
none of a and b
Previous
Skip
Next
Question # 15
Soft copy refers to
Choose an answer
OCR-A
screen output
microfiche
digitizing
Previous
Skip
Next
Question # 16
On a linear bus topology cabling can be extended by using following device
Choose an answer
Network Adapter Card
Barrel Connector
Terminator
Modem Card
Previous
Skip
Next
Question # 17
PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the.
Choose an answer
first generation computers
second generation computers
third generation computers
fourth generation computers
Previous
Skip
Next
Question # 18
The equipment attached to CPU which computer can access are called.
Choose an answer
hardware
input/output devices
peripherals
computer components
Previous
Skip
Next
Question # 19
The type of modulation that changes the height of the signal is called.
Choose an answer
frequency
phase
amplitude
prephase
Previous
Skip
Next
Question # 20
_________is input device.
Choose an answer
Keyboard
Touchpad
Microphone
All
Previous
Skip
Next
Question # 21
Cabling on a linear bus topology can be extended using which of the following?
Choose an answer
Terminator
Barrel connector
Network adapter card
Medium attachment unit
Previous
Skip
Next
Question # 22
Data gathering and data analysis take place.
Choose an answer
after the system survey
after system analysis
during system design
during evaluation
Previous
Skip
Next
Question # 23
The ENIAC, using ABC principles, was designed by.
Choose an answer
Charles Babbage
Bell Laboratories
John V. Atanasoff
Mauchly and Eckert
Previous
Skip
Next
Question # 24
Which of the following is increasing as computer technology progresses?
Choose an answer
speed
efficiency
hardware reliability
all of these are inceasing
Previous
Skip
Next
Question # 25
ASCII 7 bit code can represent maximum
Choose an answer
265 character
128 character
64 character
65536 character
Previous
Skip
Next
Question # 26
At the beginning of the instruction cycle, the contents of the Instruction Register specify.
Choose an answer
Operand for the instruction being executed
Instruction itself
Operand for the instruction to be executed next
None of above
Previous
Skip
Next
Question # 27
Logical multiplication refers to operation of.
Choose an answer
OR gate
AND gate
NOT gate
inverter gater
Previous
Skip
Next
Question # 28
Retaining data for future reference is called
Choose an answer
storing
sorting
memorizing
programming
Previous
Skip
Next
Question # 29
Which of the following is not hardware
Choose an answer
Magnetic tap
Printer
VDU terminal
Assembler
Previous
Skip
Next
Question # 30
During E-time the ALU.
Choose an answer
examines the instruction
enters the instruction
executes the instruction
elicits the instruction
Previous
Skip
Next
Question # 31
Electronic Numerical Integrator and Calculator (ENIAC machine) belongs to the
Choose an answer
first generation digital computer
second generation computer
third generation computer
fourth generation computer
Previous
Skip
Next
Back