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ECAT Computer Science Chapter 2 Digital Computer Fundamentals Online Test MCQs With Answers
Question # 1
A CPU has.
Choose an answer
control unity consisting of program counter and instruction decoder, and arithmetic unit having accumulator
bubble memory
visual display unit
auxiliary storage unit
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Question # 2
The unit that transform data in informaion is the
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CPU
ROM
DVD
OCR
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Question # 3
Which of the following is Internet Protocol?
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Y25
TCP/IP
PCT/PI
ITTT
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Question # 4
A network that covers small geographic area or single or group of buildings is called
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WAN
LAN
Bridge
Gateway
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Question # 5
Memory is divided into many numerically addressed.
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logic
locations
codes
cells
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Question # 6
SNA is an example of
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De Jure Protocol
De Facto Protocol
Network organization
None
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Question # 7
Ethernet bus topologies used following Ethernet cabling
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Thin Net
Thick Net
Bold Net
a , b
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Question # 8
A connection of same type of network is
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Bridge
Repeater
Gateway
Router
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Question # 9
The highest layer of OSI model is
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Physical layer
Network layer
Presentation layer
Application layer
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Question # 10
The business conducted with the help of computer network is called
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E-commercial
E-commerce
E-comunication
Nothing
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Question # 11
Bandwidth requirement for human voice is
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100000 to 200000
5000 to 20000
20000 to 30000
25000 to 50000
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Question # 12
Network topologies are categorized into the following basic types
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Bus, Ring
Star , Tree
Mesh
All of the above
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Question # 13
The CCITT protocol is the same as
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x.25
Y.25
C25
d25
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Question # 14
The entire computer is coordinated by
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The ALU
the accumulator
arithmetic operators
the control unit
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Question # 15
At the beginning of the instruction cycle, the contents of the Instruction Register specify.
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Operand for the instruction being executed
Instruction itself
Operand for the instruction to be executed next
None of above
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Question # 16
The complex set of electrical circuitry that executes program instructions is called the.
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register
central processing unit
accumulator
bus line
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