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d. Which of the following is used to store large amounts of data permanently?
(i) RAM (ii) ROM
(iii) Hard disk (iv) Flash drive
2. Fill in the blanks using the words from the help box.
RAM, Two, Hard disk, Nibble
a. The computer memory can be classified into ____________ types.
b. A group of 4 bits is called a ____________.
c. ____________ is a volatile memory.
d. ____________ is the main secondary storage device.
3. Think and answer.
a. What is a byte?
______________________________________________________________________________
b. What is the use of a pen drive?
______________________________________________________________________________
c. What is primary memory?
______________________________________________________________________________
d. What is a cloud storage?
______________________________________________________________________________
______________________________________________________________________________
e. What are the secondary storage devices? Give any two examples.
______________________________________________________________________________
______________________________________________________________________________
4. Write the difference between:
RAM ROM
_____________________________ _____________________________
_____________________________ _____________________________
5. Which storage device will you use for the following purposes?
a. To store up to 700MB of data and can be carried from one place to
another easily. ____________
b. To store multimedia data on our mobile phones and digital cameras. ____________
c. To store and record high-definition videos up to 25 GB. ____________
Computer Memory 13

