Standard: 9 Computer Chapter:1 Introduction to Computers Q-A (English Medium)
(Question-Answer for English Medium)
1. Which of the following is the typical work flow of a computer?
a. Input, output and process
b. Input, process and output
c. Output, process and input
d. Any of these
2. Which of the following identifies the concept of a computer itself remembering the set of data and instructions to be executed?
a. Stored program concept
b. Fixed source concept
c. Automatic source concept
d. Variable source concept
3. Which of the following refers to a set of step by step instructions to perform a given task written in machine understandable format?
a. Program
b. Algorithm
c. Instruction
d. Data
4. Which of the following device converts the given data into machine readable form while entering data into the computer?
a. Output
b. Input
c. Memory
d. All of the above
5. Which of the following does a computer memory retains?
a. Data
b. Instructions
c. Results
d. All of the above
6. Which of the following memory types is costly, fast and limited in size?
a. Primary
b. Secondary
c. Temporary
d. All of the above
7. What is the other name of primary memory?
a. Non-volatile
b. Volatile
c. Fragile
d. Non-fragile
8. Which of the following are characteristics of secondary memory?
a. Cheaper and slower than the primary memory
b. Cheaper and faster than the primary memory
c. Volatile and slower than the primary memory
d. Volatile and faster than the primary memory
9. Hard disk and compact disks (CD) are examples of which of the following device types?
a. Primary
b. Secondary
c. Temporary
d. None of the above
10. Which of the following unit performs the arithmetic and logical computation?
a. Arithmetic logic unit
b. Advance mathematical logic unit
c. Alternative logic unit
d. Logic unit
11. Which of the following unit manages execution of instructions and controls operations of other components of the computer?
a. Memory
b. Input
c. Output
d. Control
12. Which of the following does ALU and control units together form?
a. Central processing unit
b. Control processing unit
c. Memory
d. Input/Output unit
13. Which is an example of an output mechanism?
a. Keyboard
b. Barcode reader at superstore
c. Printer
d. Mouse
14. Which component of a computer is known as the brain of a computer?
a. Input unit
b. Output unit
c. Central processing unit
d. Memory unit
15. Which of the following is full form of GIGO?
a. Garbage In Garbage Out
b. Garbage Input Garbage Output
c. Garbage Out Garbage In
d. Get Input Get Output
16. Which of the following is a component of software?
a. Instructions
b. Data
c. Documentations
d. All of the above
17. Which of the following does the term hardware refers to?
a. Soft parts of computers
b. Logical parts of computers
c. Physical parts of computers
d. All of the above
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