Cccklc003 – CPU
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CCCKLC003 - CPU
- 1.Which component is called the ‘brain’ of a computer?
- A.
Peripheral
- B.
Main memory (RAM)
- C.
CPU
- D.
ALU
- 2.Which of the followings is NOT the function of the central processing unit?
- A.
Executes computer instructions
- B.
Processes data
- C.
Stores programs and data permanently
- D.
Communicates with other devices to perform tasks
- 3.What is an ALU?
- A.
Aero Linguistic Utility
- B.
Arithmetic and Logic Unit
- C.
Another Liberal University
- 4.Which part of the CPU is responsible for the decoding of computer instructions?
- A.
Arithmetic and logic unit
- B.
Control Unit
- C.
Registers
- D.
Bus line
- 5.In a CPU machine cycle, ‘fetch’ is the step which ____________
- A.
Get the program/data from main memory
- B.
Translate the program to code which the computer could understand
- C.
Execute the command
- D.
Write the execution result back to RAM
- 6.In a CPU machine cycle, ‘decode’ is the step which ____________
- A.
Get the program/data from main memory
- B.
Translate the program to code which the computer could understand
- C.
Execute the command
- D.
Write the execution result back to RAM
- 7.In a ‘machine cycle’ the CPU ‘run’ instructions. What is the sequence of steps?
- A.
Fetch -> Execute -> Decode -> Store
- B.
Decode -> Execute -> Fetch -> Store
- C.
Fetch -> Decode -> Execute -> Store
- D.
- 8.In a CPU machine cycle, which of the following step involves the ALU?
- A.
Fetch
- B.
Decode
- C.
Execute
- D.
Store
- 9.In a CPU machine cycle, which of the following step does NOT involve the CU (Control Unit)?
- A.
Fetch
- B.
Decode
- C.
Execute
- D.
Store
- 10.In a CPU machine cycle, the CPU retrieve/get computer instruction/program from ___________ . After execution, the CPU store the result to ____________ .
- A.
Control Unit; Control Unit
- B.
Main memory; main memory
- C.
ALU; CU
- D.
RAM; ROM
- 11.In a computer, we can describe the ‘bus’ as:
- A.
A vehicle for transportation
- B.
A common device which connect the computer to external networks
- C.
Physical lines which connects CPU and other devices
- D.
A type of twisted-pair cable
- 12.CPU controls all other components in the computer. True or false?
- A.
True
- B.
False
- 13.The memory unit(s) inside a CPU is/are called ____________ .
- A.
RAM
- B.
Main memory
- C.
Registers
- D.
ALU
- 14.Which of the followings is not a type of bus?
- A.
Address bus
- B.
Memory bus
- C.
Control bus
- D.
Data bus
- 15.A computer system can have more than one CPU. True or false?
- A.
True
- B.
False
- 16.Use the internet to search for the following information (e.g. go to www.wikipedia.org ): “Intel Pentium D” is a type of CPU. Its maximum clock rate is ___________ and word size is ____________ .
- A.
3.73 GHz; 32 bits
- B.
3.8 GHz; 32 bits
- C.
3.73 GHz; 64 bits
- D.
3.8 GHz; 64 bits
- 17.Use the internet to search for the following information (e.g. go to www.wikipedia.org ): Which of the followings is NOT a CPU?
- A.
Intel Atom N470
- B.
GeForce 6200
- C.
AMD Phenom II
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