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 9th Class Chapter # 3 and 4 MCQ's (Notes)

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Location : Lahore Pakistan

PostSubject: 9th Class Chapter # 3 and 4 MCQ's (Notes)   Wed Oct 02, 2013 5:31 pm

1. NOTE: You have four choice for each objective type question as A, B, C and D. The choice which you think is correct; fill that circle in front of that question number. Use marker or pen to fill the circle. Cutting or filling two or more circles will result in zero mark in that question.

1. The heart of a computer system is:

a. CPU b. Control unit c. ALU d. System unit

2. Which of the following devices is not inside the CPU?
a. RAM b. The Hard Disk c. CD-ROM Drivers d. The Modem

3. A port which provides a connection for transmitting a data of eight bits at a time is:
a. Serial port b. Parallel port c. Mouse port d. All of these

4. A temporary storage device is:
a. ALU b. Main memory c. Control Unit d. Register

5. A 32 bit bus can transfer data at a time:
a. 8 bytes b. 8 nibbles c. 4 characters d. 32 bytes

6. An input device is:
a. Keyboard b. Printer c. Monitor d. Plotter

7. The most important part of a computer hardware is:
a. CPU b. Control unit c. Operating System d. Main memory

8. The physical parts of the computer system that you can touch and feel are known as:
a. Input devices b. Computer software
b. c. Output devices d. Computer hardware

9. The program that is responsible for controlling and managing the actual operations of the computer hardware:
a. Application software b. System software c. Computer software d. Computer program

10. Which of the following is not a type of bus inn computer?
a. Data Bus b. Address Bus c. Power Bus d. Control Bus

11. Which of the following is not a hardware component of computer?
a. Input unit b. Software c. Output unit d. System unit

12. Which of the following input device is used to enter image data inside the computer?
a. Scanner b. Microphone c. Keyboard d. Mouse



Chapter Number 4

1. NOTE: You have four choice for each objective type question as A, B, C and D. The choice which you think is correct; fill that circle in front of that question number. Use marker or pen to fill the circle. Cutting or filling two or more circles will result in zero mark in that question.
1. Tape storage is:

a. Slower than the hard disk c. Direct access device
b. Faster than hard disk d. All of these

2. A non-volatile memory is:
a. Secondary memory c. ROM
b. Cache memory d. RAM

3. A metal or plastic made disk is:
a. Magnetic tape c. Floppy disk
b. Floppy disk d. Floppy disk and Hard disk

4. Magnetic tape devices are a popular form of a secondary storage for:
a. Mainframe Computer c. Personal Computers
b. Micro Computers d. Mainframe & Personal Computer

5. A temporary storage device is:
a. RAM c. ROM
b. Cache memory d. Flash memory

6. How many types of computers storage?
a. Two c. Four
b. Three d. Five

7. Static RAM:
a. Contents are required to be refreshed periodically c. is faster than DRAM
b. Contents are not required to be refreshed periodically d. Both (B) and (C)

8. The basic unit of data measurement is:
a. Bit c. Megabyte
b. Byte d. Kilobyte

9. Compact disk can store more than ______ of data.
a. 500MB c. 700MB
b. 600MB d. 800MB
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