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3. Which one of these is used to measure the memory of a computer?
a. Litre b. Byte c. Inches
4. Which of these is the main storage device for a computer and is located inside the
system?
a. Hard disk b. Pen drive c. DVD
B. Fill in the blanks using the words given below:
Read Only Memory, USB, Random Access Memory, GB
1. ......................... is full form of RAM.
2. ......................... is full form of ROM.
3. 1 ......................... equals 1024 MB.
4. External hard disk can be connected with the help of ......................... ports.
C. Identify the given devices as primary storage or secondary storage.
1. 2. 3. 4.
......................... ......................... ......................... .........................
D. Short answer type questions.
1. What is hard disk?
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2. What is primary memory?
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E. Long answer type questions.
1. State any two difference between RAM and ROM.
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2. What is flash drive? Give an example.
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Computer Memory 17

