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What Input a number to the accumulator?

• INT

• INP

• INPUT

• STA x

What stores the number in the accumulator to address x?

• STO x

• Store accumulator

• LDA

• STA x

What Loads the number in address x into the accumulator?

• LAD x

• Load x

• LDA x

• ID4 x

What Outputs the number in the accumulator?

• OUT x

• OUTP x

• OUTPUT x

• All of the above

What Adds the number at address x to the accumulator?

• Plus x

• AD x

• ADDITION x

• ADD x

What Subtracts the number at address x from the accumulator?

• SUBT x

• SUB x

• SUBTRACT

• MIN

What Ends the program (Halt)?

• HALT

• HLT

• END

• STOP

What is Assembly code?

• Another name for Pseudocode
• A programming language that uses mnemonic codes
• A program that joins pieces of code together
• Another name for machine code

What is the purpose of the Memory Data Register (MDR)?

• Holds the location of where the data is to be stored / read from
• Holds memory
• Holds instructions
• It does nothing

What is the purpose of the memory address register?

• It memorises everything
• It keeps track of the instructions
• It holds the instructions to be carried out by the CPU
• It allows you to input something