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Online Tests
ECAT Computer Science Online Test MCQs With Answers
Question # 1
A type of computer that is faster because it has fewer instructions.
Choose an answer
symbolic
RISC
ASCII-8
ROM burner
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Question # 2
Number 375
10
is equivalent in binary system to.
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101110101
100110101
101110111
101110011
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Question # 3
A computer drives its basic strength from
Choose an answer
speed
accuracy
memory
all of above
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Question # 4
___________ devices is used chek and process the test marks of students
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OMR
Barcode Reader
An example of smart card
MICR
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Question # 5
The number of inputs to full adder are
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1
2
3
4
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Question # 6
Is Secondary storage device
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CD-ROM
ROM
Cache
RAM
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Question # 7
NOS refers to
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network open system
booting
network operating system
round-robin scheduling
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Question # 8
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 # 9
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 # 10
According to absorption law x. (x+y) =
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x
y
1+x
1+y
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Question # 11
Computers that are used in consumer goods, such as cars, are called.
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enchanced
software
analog
embedded
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Question # 12
Integrated circuits are housed in.
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vacuum tubes
transistors
software
silicon chips
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Question # 13
Data is permanently stored in
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Hard disk
Ram
Printer
Cache Memory
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Question # 14
FDDI is a
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ring network
star network
mesh network
bus network
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Question # 15
When the control unit gets an instruction it is called
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E-mail
machine time
I-time
ALU time
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Question # 16
Which types of data consists of words ,sentences and paragraphs
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Text
Image
Numeric
Video
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Question # 17
The correct processing unit
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is operated from the control panel
is controlled by the auxiliary storage unit
is controlled by input as it enters the system
controls all input,output, and processing
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Question # 18
A network of geographically distant computers and terminals is called a.
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bus
WAN
gateway
LAN
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Question # 19
A computer can be defined as an electronic device that can: (choose the most precise definition).
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carry out logical functions
carry out arithmetical operations
accept and process data using a set of stored instructions
present information on a VDU
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Question # 20
A parallel interface
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transmit one bit at a time
transmit one or more bits at a time using a single wire
transmit 8 or more bits at a time using as many wires
cannot be used to connect a printer to a PC
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Question # 21
OSI model has
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11 layers
7 layers
3 layers
10 layers
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Question # 22
Which of the following is associated with second generation computers
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transistors
high level procedural language
magnetic core memory
all of above
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Question # 23
What is the size of standard floppy disk?
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6 1/2
n
3 1/2
n
8 1/2
n
4 1/2
n
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Question # 24
An A/D converter does the conversion from
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Digital to analog
Analog to digital
Voltage to ampere
Direct to alternate current
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Question # 25
The general-purpose processor on a chip is otherwise known as the.
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ENIAC
minicomputer
pocket calculator
microprocessor
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Question # 26
Soft copy refers to
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OCR-A
screen output
microfiche
digitizing
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Question # 27
A device that inputs data by scanning letters and number is a
Choose an answer
keyboard
wand reader
mouse
diskette
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Question # 28
If a FORTRAN program begin with statement
INTEGER SALARY, PROFIT,LOSS
Then through the program integer variables will be represented by
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SALARY
PROFIT
LOSS
All of the above
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Question # 29
___________ code systems can represent upto 65536 symbols
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ASCII-7
EBCDIC
ASCII-8
Unicode
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Question # 30
Odd parity of a word can be conveniently tested by.
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OR gate
XOR gate
NOR gate
NAND gate
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Question # 31
Take-a-turn time-sharing
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spooling
interfacing
round-robin-scheduling
prompting
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