Chapter 1
COMPUTER SYSTEM
Exercise
1. Name the software required to make a computer functional. Write down its two primary functions.
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2. What is the need of RAM? How does it differ from ROM?
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3. What is the need for secondary memory?
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4. Draw the block diagram of a computer system. Briefly write about the functionality of each component.
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5. Differentiate between proprietary software and freeware software. Name two software of each type.
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6. Mention any browsers used for browsing the internet.
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7. Name the input/output device used to do the following:
a) To output audio
b) To enter textual data
c) To make hard copy of a text file
d) To display the data/information
e) To enter audio-based command
f) To build 3D models
g) To assist a visually impaired individual in entering data
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8. Identify the category (system, application, programming tool) of the following software:
a) Compiler
b) Assembler
c) Ubuntu
d) Text editor
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9. Convert the following into bytes:
a) 2 MB
b) 3.7 GB
c) 1.2 TB
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10. What is the security threats involved when we throw away electronic gadgets that are non-functional?
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11. Write down the type of memory needed to do the following:
a) To store data permanently
b) To execute the program
c) To store the instructions which can not be overwritten.
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