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Q.

The conditional control transfer instructions use

A

status flags

B

bits of bit addressable RAM

C

SFRs termed bit

D

all of the mentioned

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MCQ

1.

The mnemonic, JNB is used to jump to the specified relative address only if

A

specified bit=1

B

specified bit=0

C

specified bit is non-recursive

D

none

Discussion

MCQ

2.

In boolean instructions, the flag that is the only allowed destination operand for two operand instructions is

A

overflow flag

B

underflow flag

C

auxiliary flag

D

carry flag

Discussion

MCQ

3.

The instructions that change the sequence of execution are

A

conditional instructions

B

logical instructions

C

control transfer instructions

D

data transfer instructions

Discussion

MCQ

4.

The third byte of the long jump instruction is

A

opcode

B

5 LSBs of opcode

C

5 LSBs of opcode

D

lower byte of jump location or subroutine

Discussion

MCQ

5.

The first byte of a short jump instruction represents

A

opcode byte

B

relative address

C

opcode field

D

none

Discussion

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