Microprocessor 8085 Multiple Choice Questions and Answers | Microprocessor 8085 MCQs

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Questions
1 Which type of RAM needs regular referred:
A Dynamic RAM
B Static RAM
C Permanent RAM
D SD RAM

Answer:Dynamic RAM
2 Which RAM is created using MOS transistors:
A Dynamic RAM
B Static RAM
C Permanent RAM
D SD RAM

Answer:Dynamic RAM
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3 A microprocessor retries instructions from :
A Control memory
B Cache memory
C Main memory
D Virtual memory

Answer:Main memory
4 The lower red curvy arrow show that CPU places the address extracted from the memory location on the_____:
A Address bus
B System bus
C Control bus
D Data bus

Answer:Address bus
5 The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
A Read
B Write
C Both A and B
D None of these

Answer:Write
6 The CPU removes the ___ signal to complete the memory write operation:
A Read
B Write
C Both A and B
D None of these

Answer:Read
7 BIU STAND FOR:
A Bus interface unit
B Bess interface unit
C A and B
D None of these

Answer:Bus interface unit
8 EU STAND FOR:
A Execution unit
B Execute unit
C Exchange unit
D None of these

Answer: Execution unit
9 Which are the four categories of registers:
A General- purpose register
B Pointer or index registers
C Segment registers
D Other register
E All of these

Answer:All of these
10 Eight of the register are known as:
A General- purpose register
B Pointer or index registers
C Segment registers
D Other register

Answer:General- purpose register

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