Assembly Language Mnemonics – Multiple Choice Quiz

What does INP stand for and what does it do?

• Input data into memory

• Takes input from the user and stores it in the accumulator

• Initializes a new program

• Inverts the value in the accumulator

Which mnemonic is used to output the value in the accumulator?

• INP

• OUT

• STA

• LDA

What does LDA do in simple terms?

• Loads a program into memory

• Loads a value from memory into the accumulator

• Links data arrays

• Locks data access

Which command stores the accumulator’s value into memory?

• LDA

• ADD

• STA

• SUB

What mnemonic would you use to add a value from memory to the accumulator?

• LDA

• STA

What does SUB do?

• Submits input to the processor

• Subtracts a value from memory from the accumulator

• Substitutes memory addresses

• Suspends program execution

Which instruction jumps if the accumulator is positive or zero?

• BRZ

• BRP

• BRA

• STA

Which one is the branch if zero command?

• BRP

• ADD

• BRZ

• INP

What command is used to always branch, regardless of conditions?

• BRZ

• BRP

• BRA

• SUB

Which mnemonic tells the program to stop running?

• OUT

• HLT

• INP