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Online Tests
PPSC Computer Science Chapter 17 Microprocessor And Assembly Language Online Test MCQs With Answers
Question # 1
ALE stand for
Choose an answer
Address latch enable
Address light enable
Address lower enable
Address last enable
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Question # 2
Which system communicates with the outside word via the I/O devices interfaced to it.
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Microprocessor
Micro computer
Digital computer
All of these
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Question # 3
Which register is used to communicate with memory.
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MAR
MDR
Both a and b
None
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Question # 4
What is the period of 3 generation.
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1979-1981
1979-1980
1978-1979
1978-1986
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Question # 5
The growth of medium scale integration in.
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Till 1971
Till 1970
Till 1972
Till 1969
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Question # 6
_____ was more common year
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CRT
TTL
Both a and b
None
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Question # 7
Which programmable timer is used to generate timing signal
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8255
8254
8251
8259
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Question # 8
ISR stand for
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Interrupt service register
Input service register
In service register
All of these
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Question # 9
The ram which is created using bipolar transistors is called.
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Dynamic RAM
Static RAM
Permanent RAM
DDR RAM
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Question # 10
The index high order bits in the address known as.
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Tags
label
Point
Location
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Question # 11
How many types of addressing in memory.
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Logical address
Physical address
Both a and b
None
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Question # 12
WA Stand for
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Write allocate
Wrote allocate
Way allocate
Word allocate
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Question # 13
PR stand for
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Priority register
Priority resolver
Priority request
None
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Question # 14
Which latch is mostly used creating memory register.
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SR-Latch
JK- Latch
D-Latch
T-Latch
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Question # 15
A ______ on this pin indicates a memory operation.
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Low
High
Medium
None
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Question # 16
DS stand for
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Data segment
Direct segment
Declare segment
Divide segment
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Question # 17
Which technology using the microprocessor is fabricated on single chip
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POS
MOS
ALU
ABM
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Question # 18
The ___________ of can assembly line to be 1/tp.
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Clock period
Pipelining
Through out
Flow thorugh
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Question # 19
_______ is the most important segment and it contains the actual assembly language instruction to be executed by the microprocessor.
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Data segment
Code segment
Stack segment
Extra segment
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Question # 20
MOS stand for.
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Metal oxides semiconductor
Memory oxide semiconductor.
a and b
None
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Question # 21
8254 counters can count in the
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Binary
Decimal
Hexadecimal
Both a and b
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