Assembly Language / LMC

Question 1

What does the Mnemonic ADD do?

Answer 1

Add to the value in the Accumulator

Question 2

What does the Mnemonic SUB do?

Answer 2

Subtract from the value in the Accumilator

Question 3

What does the Mnemonic STA do?

Answer 3

Stores the current value in the Accumilator

Question 4

What does the Mnemonic LDA do?

Answer 4

Loads a value

Question 5

What does the Mnemonic BRA do?

Answer 5

Branches always

Question 6

What does the Mnemonic BRZ do?

Answer 6

Branches if zero

Question 7

What does the Mnemonic BRP do?

Answer 7

Branches if positive

Question 8

What does the Mnemonic INP do?

Answer 8

Allows for a value to be inputted

Question 9

What does the Mnemonic OUT do?

Answer 9

Outputs the value

Question 10

What does the Mnemonic HLT do?

Answer 10

Ends the program

Question 11

What does the Mnemonic DAT do?

Answer 11

Data location

Question 12

What is the point of Mnemonics?

Answer 12

They’re more easily readable by humans, as each Mnemonic translates to a binary function.

Question 13

What kind of language is LMC?

Answer 13

An Assembly Language

Question 14

What is the order for each line in LMC code?

Answer 14

A Lable (for variable names)
A Mnemonic (for the function)
The Data (to be used)

Question 15

Where is the calculation undertaken?

Answer 15

Within the ALU