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Online Tests
ECAT Computer Science Online Test MCQs With Answers
Question # 1
In multiprogramming, the process of confining each program to certain defined limits in memory is called
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spooling
time-sharing
program scheduling
memory protection
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Question # 2
Another word for printer.
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monochrome
microfiche
pixel
cursor
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Question # 3
The CRT technology with the best resolution.
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MICR
VGA
SVGA
LCD
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Question # 4
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
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Question # 5
Which of the following topologies is passive?
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Star topology
Ring topology
Bus topology
Hybrid topology
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Question # 6
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
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Question # 7
A bar code reader is an example of a(n).
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processing device
storage device
Input device
output device
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Question # 8
The basic operation performed by the computer is called
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arithmetic operation
logic operation
storage and retrieval operation
all of above
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Question # 9
A computer is capable of performing almost any task provided that it can be
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coded
memorized
analyzed
reduced to a series of logical steps
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Question # 10
The digits used for hexadecimal number system are.
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A through Z
1 through 16
0 through 15
0 through 9 and A through F
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Question # 11
The time required for the access arm to get into position over a particular track is
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rotational delay
data transfer
seek time
head switching
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Question # 12
The presence of both data and its related instructions in an object is
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C++
encapsulation
orientation
inheritance
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Question # 13
Types of Flat-Panel Display are
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LCD
EL
Gas-plasma
All of the above
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Question # 14
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
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Question # 15
___________coding scheme is used by IBM
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Unicode
ASCII
EBCDIC
BCD
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Question # 16
CD-ROM has the same format as a(n).
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backup tape
DAT
diskette
audio compact disk
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Question # 17
_______ pointing devices has a vertical handle like a gearshift lever:
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Light pen
Pointing stick
Trackball
Joystick
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Question # 18
A digital compute performs its computations by
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mechanical means
analogy
guessing
counting
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Question # 19
Which of the following is not a category of network problems.
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Newsgroup problems
Physical problems
Electrical problems
Viruses
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Question # 20
The data obtained by counting are called
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digital data
continuous data
analog data
discrete data
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Question # 21
The person who requests study or work on a system is the.
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client
analyst
change agent
user
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Question # 22
SNA is an example of
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De Jure Protocol
De Facto Protocol
Network organization
None
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Question # 23
If electrical power supply to a computer system is inadvertently disrupted, the serious damage would occur to.
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CPU
disk
CRT
printer
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Question # 24
Laser beam technology is used for.
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terminals
optical disk
keyboards
magnetic tape
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Question # 25
TIme-sharing of resources by users is usually.
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based on time slices
based on input
event-driven
operated by spooling
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Question # 26
A digital computer performs its computation by
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mechanical means
analogy
guessing
counting
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Question # 27
The first computer to use electrical power was developed by.
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Herman Hollerith
Thomes J. Watson
John V. Atanasoff
Howard Aiken
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Question # 28
Data transmission speed of wire pair is
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9600 bps
9500 bps
3600 bps
3500 bps
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Question # 29
The equipment attached to CPU which computer can access are called.
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hardware
input/output devices
peripherals
computer components
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Question # 30
Diodes are used in analog computer circuit as
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phase shifter
rectifier
binary logic
limiter
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Question # 31
Positioning of headings and columns for the report format, considered during system design, might use.
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a record layout an organization chart
a decision table
a printer spacing chart
a printer spacing analysis
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