1. What section of the microprocessor changes opcodes to control signals and microfunctions?

a. alu.

b. decoder.

c. CMOS?

 

2. The DC voltage that powers the chip holding startup parameters comes from which of these?

a. the timer.

b. the power supply.

c. cmos battery

 

3. The instruction sequencer timer is controlled by one of these?

a. bus DMAs.

b. crystal.

c. criterions.

 

4. The ALU performs which of these calculations?

a. compare.

b. subtraction.

c. both of these.

 

5. The data part of an instruction is called the?

a. opcode.

b. partition.

c. operand.

 

6. Which of these is not a part of 3 state transfer?

a. the values store in BIOS were wrong.

b. data on the data bus.

c. the destination address on the address bus.

 

7. What registers stores the results of ALU calculations?

a. the flag register.

b. the accumulator.

c. Both of these?

 

8. Where is the address of the next instruction shown?

a. the memory address register. .

b. the address bus.

c. decoder.

 

9. Which flag is set if two compared values are equal?

a. zero results.

b. negative results.

c. neither of these.

 

10. A "word" of data placed in the instruction register is in what form?

a. hexadecimal.

b. binary .

c. decimal

 

1. What does "ALU " stand for?

a. Airforce Logical Unit.

b. arithmetic locator unit.

c. arithmetic logical unit?

 

2. What is a decoder chip?

a. turns multiple input lines to single line outputs.

b. translates secert codes.

c. A programable I/O chip.

 

3. UNIX is a which of these?

a. an operating system?

b. an application program.

c. a database query routine.

 

4. What does "JMP" stand for?

a. junction memory program.

b. a jump instruction.

c. both of these?

 

5. What is a control bus?

a. data lines that carry control information.

b. the same as the control section.

c. the power supply lines.

 

6. Whis inside the power supply?

a. rectifiers.

b. fuses.

c. both of these.

 

7. When the PC is booting up, its searches for which of these?

a. an active bootable partition.

b. microsoft disk operating chip.

c. neither of these?

 

8. What is an interupt?

a. A program instruction that starts all processing.

b. A program instruction that stops all processing.

c. The pause in a wait state.

 

9. How is data transferred out to peripherals devices?

a. by 2 state tranfer.

b. by the data bus only.

c. by 3 state transfer.

 

10. Which buses does 3 state transfer use?

a. address bus.

b. data bus, address bus, and control bus.

c. both of these?