Computer Architecture

Select the correct statements.

• CPU processes instructions and data that are input into the computer so that the result can be output.

• Microprocessor is a type of integrated circuit on a single chip.

• Washing machine is an example of embedded system

• Personal computers use microprocessors to process the main calculation.

Match the following registers

• this register stores the current instruction being decoded and executed

• PC

• this register stores the address of the memory location currently being read from or written to

• MDR

• this register stores the address where the next instruction to be read can be found

• MAR

• it stores data temporarily during the ALU calculations

• ACC

• stores data which has just been read from memory or data which is about to be written to memory

• CIR

Give the name of the following term. Lower case.

A component in CPU that stores temporary data. It is small in size and fast in speed.

Please finish the diagram on how instructions are fetched.

j

i

h

g

f

e

d

c

b

a

obtuse angle

CU

Address bus

CIR

MDR

RAM

MAR

PC

Data bus

CPU

Which of the following statements are correct?

• Instruction set is a set of all the commands that are understood and can be processed by the CPU

• Control unit use data bus to control other components in CPU.

• ALU is used to decode the instruction.

• Instructions to be fetch is stored in RAM

Select the factors that will affect CPU's performance

• number of cores

• size of the cache

• speed of the clock

Reorder the following register where address or instruction moves through during fetch stage.

• MAR

• CIR

• MDR

• RAM

• PC

​ An embedded system is used to perform ​ (a)   .

A general purpose computer is used to perform ​ (b)  

• a dedicated function
• many different functions.

Select the correct statements about embedded system.

• Laptop is an example of embedded system.

• CPU is usually used in embedded system

• Microprocessor is usually used in embedded system.

• Embedded system is specialized for a dedicated function.

What is the full term of PC, as a register in computer.

• Personal Computer

• Program Counter

• Professional Corporation