Page 19 - Viva ICSE Computer Studies 4 : E-book

C. State whether the following statements are true or false.
1. Bit in the smallest unit of data in a computer. ____________
2. 8 bits is the smallest unit of memory in a computer. ____________

3. ON is represented by 0 and OFF is represented by 1. ____________
4. 1 KiB is equal to 1/1014 MiB. ____________

5. Internal storage is the primary memory. ____________

D. Choose the correct answer.

1. ____________ is lost when computer is switched off .
(a) Memory (b) Secondary memory

(c) Primary memory (d) Data
2. RAM stands for ____________________.

(a) Read Access Memory (b) Random Access Memory
(c) Read Assist Memory (d) Random Assist Memory

3. ____________ program activates the hardware to communicate with the system and
application software.
(a) BOIS (b) BIAS

(c) BAIS (d) BIOS
4. External memory is also called ____________________.
(a) RAM (b) ROM

(c) internal memory (d) secondary memory
5. A single optical disk stores nearly ____________ of data on one side.

(a) 17 B (b) 640 KB
(c) 640 MB (d) 640 GB

E. Name the following.

1. A USB flash memory device ______________
2. A standard storage device for data transfer in small
digital electronic product ______________

3. A storage device with capacity varying from 4.7 GB to 17 GB ______________
4. Collection of raw facts and fi gures ______________
5. Types of internal memory ______________ ______________

F. Answer the following questions.

1. With the help of some examples, discuss how data is diff erent from information.

2. Write a note on data storage units.

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