Microprocessor & Microcontroller (Cs502)
- 1.Which is the microprocessor comprises:
- A.
Register section
- B.
ALU
- C.
Control unit
- D.
All of these
- 2.What will be stored by register?
- A.
Data
- B.
Operands
- C.
Memory
- D.
None of these
- 3.Accumulator based microprocessor example are:
- A.
Intel 8085
- B.
Motorola 6809
- C.
A and B
- D.
None of these
- 4.A sets of registers can contain:
- A.
Data
- B.
Memory addresses
- C.
Result
- D.
All of these
- 5.There are primarily two types of register:
- A.
General purpose register
- B.
Dedicated register
- C.
A and B
- D.
None of these
- 6.BCD stands for:
- A.
Binary coded decimal
- B.
Binary coded decoded
- C.
Both a & b
- D.
None of these
- 7.Which is used to store critical pieces of data during subroutines and interrupts:
- A.
Stack
- B.
Queue
- C.
Accumulator
- D.
Data register
- 8.The process by which data will be submitted in the stack is:
- A.
Push
- B.
Enter
- C.
Submit
- D.
None of these
- 9.Each memory location has:
- A.
Address
- B.
Contents
- C.
Both A and B
- D.
None of these
- 10.IP stands for:
- A.
Instruction pointer
- B.
Instruction purpose
- C.
Instruction paints
- D.
None of these
- 11.The size of data bus in 8085 is:
- A.
4 bit
- B.
6 bit
- C.
8bit
- D.
16 bit
- 12.Address bus size is:
- A.
8 bit
- B.
16 bit
- C.
24 bit
- D.
32 bit
- 13.Data bus is:
- A.
Uni directional
- B.
Bi directional
- C.
Both A and B
- D.
None of these
- 14.Address bus is:
- A.
Bi directional
- B.
Uni directional
- C.
Both A and B
- D.
None of these
- 15.In 8085, all the results are stored in:
- A.
Accumulator
- B.
Stack Pointer
- C.
Program Counter
- D.
Instruction Pointer
- 16.In 8085, register pairs are:
- A.
AB, CD, EF, HM
- B.
BC, DE, HL
- C.
All of the above
- D.
None of these
- 17.When 9th bit will come, after any arithmetic operation, carry flag will be:
- A.
Set
- B.
Reset
- C.
All of the above
- D.
None of the above.
- 18.In an arithmetic result, if even number of ones are present, which flag will be set?
- A.
Carry
- B.
Auxiliary Carry
- C.
Zero
- D.
Parity
- 19.Auxiliary carry will be set when:
- A.
Carry will be passed from bit 0 to bit 1
- B.
Carry will be passed from bit 3 to bit 4
- C.
All of the above
- D.
None of these
- 20.Z flag will be set when:
- A.
Final result is all ones
- B.
Final result is all zeros
- C.
All of the above
- D.
None of the above
- 21.Addressing mode is:
- A.
Opcode, Operand and Process
- B.
Operand, Opcode and Process
- C.
All of the above
- D.
None of these
- 22.LDA 2050 - example of
- A.
Immediate mode
- B.
Indirect mode
- C.
Direct mode
- D.
Implicit mode
- 23.Example of immediate addressing mode is:
- A.
LDA 2050
- B.
MOV A,B
- C.
MVI H, 23
- D.
STAX B
- 24.Indirect register addressing mode is explained by:
- A.
MOV A,M
- B.
MOV A,B
- C.
MVI A,09
- D.
None of these
- 25.MOV H,L stands for
- A.
Content of H is going to L
- B.
Content of L is coming to H
- C.
All of the above
- D.
None of the above
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