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ECAT Computer Science Online Test MCQs With Answers
Question # 1
BCD stands for
Choose an answer
Bit coded digit
Byte coded decimal
Binary coded decimal
None
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Question # 2
The highest-level language are called
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4GLs
high-level
assembly
natural
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Question # 3
The first high-level language to be introduced was
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COBOL
FORTRAN
Pascal
Ada
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Question # 4
Distribution data entry means that data can be
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Entered at different location where it originates
Sent to different locations from a central place
Access from different places known as distribution points
Distributed through a network
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Question # 5
Which one is not network topology?
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Star
Ring
Circle
Bus
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Question # 6
The mechanism for reading or writing data in a disk is called a(n).
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track
rotational delay
seek time
access arm
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Question # 7
Personal computer user may wish to increase their hard disk storage capacity with
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higher density
DAT
read only media
removable hard disk cartridge.
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Question # 8
Software to persue the Internet.
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gateway
EFT
browser
teleconferencing
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Question # 9
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 # 10
Computer output produced as small film images is called.
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OCR
COM
LCD
OMR
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Question # 11
The FORTRAN equivalent of the mathematical expression ab/cd is.
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A * B / C * D
A.B / C.D
A * B / (C*D)
A*B/B*D
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Question # 12
Simulation is a process in which
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computer is used to control a process
computer gather data for later processing
full capacity of the system is utilized
the computer system and program are used to produce actions similars to those in a real physical system
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Question # 13
In computer science, by information we mean
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Any output coming out form
Processed data put in intelligent form
A report printed by computer
Plural of data
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Question # 14
The memory area for programs with highest priority
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page frames
the background
shells
queues
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Question # 15
Another name for an operating environment is
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page
layer
shell
supervisor
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Question # 16
In preparing a program, one should first
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plan the solution
code the program
document the problem
define the problem
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Question # 17
Cabling on a linear bus topology can be extended using which of the following?
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Terminator
Barrel connector
Network adapter card
Medium attachment unit
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Question # 18
__________key is used to change lowercase letters mode to uppercase and vice versa.
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Alt
Enter
Ctrl
Caps Lock
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Question # 19
The smallest unit of information is a(n).
Choose an answer
byte
bit
element
atom
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Question # 20
Which input device is often attached to laptop computers.
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trackball
inscriber
graphics display
wand reader
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Question # 21
A group of electronic, magnetic, or mechanical devices that store data is called
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register
address
program
software
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Question # 22
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
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Question # 23
________ key is used to cancel the current operation
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Alt
Caps Lock
Ese
Num lock
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Question # 24
A fourth-generation language used for database retrieval
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high level language
assembly language
query language
procedural langauage
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Question # 25
An assembly language uses
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English words
mnemonic codes
0s and 1s
binary digits
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Question # 26
Debug is a term denoting
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error correction process
writing of instruction in developing a new program
fault detection in equipment
determine useful life
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Question # 27
A color screen with the best resolution has the most.
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CRT
VGA
COM
pixel
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Question # 28
If a processor does not have direct and unassisted access to data items, these items are said to be.
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off line
Time Shared
on line
None of these
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Question # 29
The media Access Control sublayer resides in which OSI layer?
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Physical
Data Link
Network
Transport
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Question # 30
The Height of wave within a given period of time is called :
Choose an answer
Amplitude
Oscillation
Frequency
Pulses
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Question # 31
The shortest period of time is a.
Choose an answer
milisecond
nanosecond
picosecond
microsecond
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