PPSC Computer Science Topic 17 MCQ's Test Preparation

PPSC conducts competitive exams throughout the year. It comes with different tests according to the vacant positions by the government agencies. PPSC arranges a separate test for every single subject and computer science is one of those subjects. Students who are specialists in the computer science field and want to start their professional career through government agencies are offered best wishes and, at the same time, they are advised to prepare well to appear for the PPSC test. Well, those who are looking for better practice they are invited by Ilmkidunya to get better preparation through the given PPSC sample tests.

MCQ's Test For PPSC Computer Science Topic 17 Microprocessor And Assembly Language

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PPSC Computer Science Topic 17 Microprocessor And Assembly Language

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Question # 1

Which bus carry addresses

Question # 2

Which are used DMA controllers with 8085/8086 microprocessor.

Question # 3

ED stand for

Question # 4

Which mode is used for single handshake in 8255

Question # 5

Third generation micro processor is dominated by _______ micro processor.

Question # 6

Which flag are used to record specific characteristics of arithmetic and logical instructions.

Question # 7

Who works as cache on the variable.

Question # 8

The index high order bits in the address known as.

Question # 9

Pentium pro can address______ of memory.

Question # 10

How many generation of microprocessor.

Question # 11

The area of memory with addresses near zero are called.

Question # 12

Which chip used for AD & DA converters in 8086 processor.

Question # 13

The external device is connected to a pin called the_____ pin on the processor chip

Question # 14

MOC stand for

Question # 15

Which is the components of computer

Question # 16

How many types of classification of processor based on register section.

Question # 17

Which is responsible for all the outside world communication by the microprocessor.

Question # 18

How many speed of 8088 , 8085 , 8086 microprocessor.

Question # 19

Which point to the __________ of the stack

Question # 20

Which bus plays a crucial role in I/O

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PPSC ComputerScience Chapter 17 Important MCQ's

Sr.# Question Answer
1 The upper red arrow show that CPU sends out the control signals _____ and ____ indicate the data is read from the memory.
A. Memory request
B. Read
C. Both a and b
D. None
2 IMR stand for
A. Input mask register
B. Input mask resolver
C. Interrupt mask resolver
D. Interrupt mask register
3 Secondary memory is also called.
A. Auxiliary
B. Backup store
C. Both a and b
D. None
4 ISR stand for
A. Interrupt service register
B. Input service register
C. In service register
D. All of these
5 Which bus carry addresses
A. System bus
B. Address bus
C. Control bus
D. Data bus
6 Which used to generate accurate time delays and can be used for other timing application such as a real time clock an event counter a digital one shot a square wave generator and a complex wave form generator.
A. 8251 programmable timer
B. 8255 programmable timer
C. 8254 programmable timer
D. 8259 programmable timer
7 Causing a flag to became 0 is called.
A. Clearing a flag
B. Case a flag
C. Both a and b
D. None
8 AL stand for
A. Accumulator low
B. Address low
C. Appropriate low
D. Application low
9 MOC stand for
A. Memory operation complex
B. Micro operation complex
C. Memory operation complete
D. None
10 Which is the basic stack operation
A. Push
B. POP
C. Both a and b
D. None

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