Computer Operations Quiz

How many basic machine operations could this computer have?

• 16

• 32

• 64

• 128

What is the maximum address that could be held as an operand?

• 15

• 31

• 63

• 127

What do the last two bits of the operation code specify in assembly language?

• The type of operation

• The addressing mode

• The operand size

• The instruction length

Which of the following is NOT specified by the addressing mode?

• An actual value to be used in a calculation

• The memory address of a value to be used

• The type of processor

• An index

Which type of addressing holds an actual value?

• Immediate addressing

• Direct addressing

• Indirect addressing

• Indexed addressing

In which type of addressing does the operand hold the address of the value?

• Immediate addressing

• Direct addressing

• Indirect addressing

• Register addressing

Which addressing mode uses the location holding the address of the value?

• Immediate addressing

• Direct addressing

• Indirect addressing

• Relative addressing

Which type of addressing does the LMC use?

• Immediate addressing

• Direct addressing

• Indirect addressing

• Indexed addressing

What will be put in the accumulator after the instruction "Load immediate 3"?

• 3

• 4

• 6

• 8

What will be put in the accumulator after the instruction "Load direct 1"?

• 3

• 4

• 6

• 8