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1. Assertion (A): Wireless communication uses electromagnetic waves to transmit data.
Reason (R): Wireless communication can be affected by physical obstructions and weather conditions,
leading to signal degradation.
2. Assertion (A): Deleting a file from your computer removes it permanently, and it cannot be recovered.
Reason (R): Most operating systems store deleted files in a "Recycle Bin" or "Trash" to allow for recovery
before permanent deletion.
SECTION B
(Subjective Type Questions)
A. Very short answer type questions.
1. What is raw facts and figures known as?
2. What is plate of a hard disc called?
3. Name an important core part of an OS.
4. What is group of 4 bits called?
5. What is the measurement unit for quality of image?
6. What is the measurement unit for speed of computer?
B. Short answer type questions.
1. Write short notes on:
i. Mobile Application ii. Kernel
iii. File System iv. Device Driver
v. Biometric Devices vi. Barcode
vii. Chat Sites viii. Social Network
2. Expand these abbreviations:
i. NTFS ii. LED
iii. MICR iv. POST
v. CAD vi. DTP
vii. EXT viii. FAT
ix. Wi-Fi x. WiMAX
xi. RF
3. What is BIOS?
4. List the name of the wireless network technologies used these days.
5. Can a computer make decision on its own when no instructions are given to it? Why?
6. Why is RAM said to be volatile memory?
7. How does cache memory enhance the processing speed of a Computer?
8. How can a computer system be protected from viruses?
9. Differentiate between the following:
i. Impact and Non-Impact Printer ii. Bluetooth and Wi-Fi
iii. Hardware and Software iv. RAM and ROM
C. Long answer type questions.
1. Explain the functional elements of CPU with diagram.
Basics of Information Technology 53

