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Q.

Which register usually store the output generated by ALU in several arithmetic and logical operations?

A

Stack Pointer

B

Timer Register

C

Accumulator

D

Special Function Register

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Similar Questions

MCQ

1.

Which register is used to store the output generated by ALU?

A

Special Function Register

B

Timer Register

C

Accumulator

D

Stack Pointer

Discussion

MCQ

2.

Which IO Port can be used for higher address byte with addresses A8-A15?

A

PORT1

B

PORT0

C

PORT3

D

PORT2

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3.

Which instructions affect the program counter?

A

Call & Return

B

Call & Jump

C

Push & Pop

D

Return & Jump

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4.

Which of the following is the bit addressing range of addressable individual bits over the on-chip RAM?

A

00H to 7FH

B

01H to 7FH

C

00H to FFH

D

&0H to FFH

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MCQ

5.

The 8051 microprocessor has ________ parallel I/O ports.

A

2

B

3

C

4

D

5

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