Little Man Computer

Question 1

What is operation is meant by ‘ADD’?

Answer 1

Add the contents of the given memory address to the accumulator.

Question 2

What is operation is meant by ‘SUB’?

Answer 2

Subtracts the contents of the given memory address from the accumulator.

Question 3

What is operation is meant by ‘STA’?

Answer 3

Store the contents of the accumulator in the given memory address.

Question 4

What is operation is meant by ‘LDA’?

Answer 4

Load the contents of the given memory address into the accumulator.

Question 5

What is operation is meant by ‘BRA’?

Answer 5

Branch to the given memory address as the next instruction. (Unconditional branch)

Question 6

What is operation is meant by ‘BRZ’?

Answer 6

Branch to the given memory address if the accumulator is zero. (Conditional branch)

Question 7

What is operation is meant by ‘BRP’?

Answer 7

Branch to the given memory address if the accumulator is positive or zero. (Conditional branch)

Question 8

What is operation is meant by ‘INP’?

Answer 8

Input into the accumulator.

Question 9

What is operation is meant by ‘OUT’?

Answer 9

Output the contents of the accumulator.

Question 10

What is operation is meant by ‘HALT’?

Answer 10

Halt the program.

Question 11

What is operation is meant by ‘DAT’?

Answer 11

Indicates a location that contains data.