8085 Objective Questions and Answers | Microprocessor 8085 MCQs

Questions

1 Which type of RAM needs regular referred:

A Dynamic RAM

B Static RAM

C Permanent RAM

D SD RAM

View Answer

Answer:Dynamic RAM

2 Which RAM is created using MOS transistors:

A Dynamic RAM

B Static RAM

C Permanent RAM

D SD RAM

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

Answer:Read

7 BIU STAND FOR:

A Bus interface unit

B Bess interface unit

C A and B

D None of these

View Answer

Answer:Bus interface unit

8 EU STAND FOR:

A Execution unit

B Execute unit

C Exchange unit

D None of these

View Answer

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

View Answer

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

View Answer

Answer:General- purpose register

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