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Q.

The operations performed by data transfer instructions are on

A

bit data

B

byte data

C

16-bit data

D

all of the mentioned

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1.

The LJMP instruction is very useful in programming in the external code memory space of

A

32 MB

B

64 MB

C

32 KB

D

64 KB

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2.

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

A

overflow flag

B

underflow flag

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auxiliary flag

D

carry flag

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3.

All conditional jumps are

A

absolute jumps

B

long jumps

C

short jumps

D

none

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4.

Which of the following is not an instruction of 8051 instructions?

A

arithmetic instructions

B

boolean instructions

C

logical instructions

D

none

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5.

The absolute jump instruction is intended mainly for a jump within a memory space of

A

2 bytes

B

2 Kbytes

C

2 Mbytes

D

none

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