Please refer to Introduction and Basics of Computers Class 12 Computer notes and questions with solutions below. These revision notes and important examination questions have been prepared based on the latest Computer Science books for Class 12. You can go through the questions and solutions below which will help you to get better marks in your examinations.
Class 12 Computer Introduction and Basics of Computers Notes and Questions
True/False and Fill ups
Question 1 C language is developed by ________________
Answer
Dennis Ritchie
Question 2 Compiler directives help compiler to compile the program
Answer
true
Question 3 Compiler directives are terminated with Semicolon (;) symbol.
Answer
False
Question 4 Compiler directives begin with __ symbol.
Answer
# -Hash
Question 5 \n is used for _ in c language.
Answer
Next Line or New line
Question 6 \t is used for _ in c language.
Answer
Tab position
Question 7 \a is used for _ in c language.
Answer
beep sound
Question 8 \b is used for _ in c language.
Answer
Shift cursor one position left/backspace
Question 9 \r is used for _ in c language.
Answer
Carriage return
Question 10 ________________ memory is required for char data type.
Answer
1 byte or 8 bits
Question 11 _______________ memory is required for int data type.
Answer
2 bytes or 16 bits
Question 12 ______________ memory is required for float data type.
Answer
4 bytes or 32 bits
Question 13 ______________ memory is required for double data type.
Answer
8 bytes or 64 bits
Question 14 ______________ operators require one operand to perform their operation.
Answer
unary
Question 15 _______________ operators require two operands to perform their operation.
Answer
binary
Question 16 _______________ operators require three operands to perform their operation.
Answer
ternary
Question 17 _________________ data structure is used to store same type of values under a common name.
Answer
Array
Question 18 _______________ is a network of multinet works which is a collection of many networks.
Answer
Internet
Question 19 _____________ is a set of rules which manage data communication.
Answer
Protocols
Question 20 _____________ software is used to make reported, visiting cards, calendar’s, advertisements, magazines etc.
Answer
DTP or Desktop Publishing
Question 21 ___________ and _______ are the common ways of printing documents
Answer
Laser and Offset Printing
Question 22 Spacing between two or more lines is called _____________
Answer
Leading
Question 23 _________ is used to put objects in a systematic manner.
Answer
Page Layout
Question 24 Space between page edges and page contents from left, right, top and bottom is called __________
Answer
Margin
FULL FORMS
1. MAN – METROPOLITAN AREA NETWORK
2. WAN – WIDE AREA NETWORK
3. FTP – FILE TRANSFER PROTOCOL
4. HTTP – HYPER TEXT TRANSFER PROTOCOL
5. URL – UNIFORM RESOURCE LOCATER
6. WWW – WORLD WIDE WEB
7. MODEM – MODULATOR DEMODULATOR
8. JIT – JUST IN TIME
9. SUWIDHA – SINGLE USER-FRIENDLY WINDOW DISPOSAL AND HELPLINE FOR APPLICANTS
10. TCP/IP – TRANSMISSION CONTROL PROTOCOL/INTERNET PROTOCOL
11. NIU – NETWORK INTERFACE UNIT
12. Bps – bits per second
13. Kbps – kilo bits per second
14. Mbps – mega bits per second
15. Tbps – tera bits per second
16. i ticket – internet ticketing
17. e ticket – electronic ticketing
18. DTP – DESKTOP PUBLISHING
19. WYSIWYG – WHAT YOU SEE IS WHAT YOU GET
20. stdio.h – Standered Input Output Header File
21. conio.h – Console Input Output Header File
22. LAN – LOCAL AREA NETWORK
We hope the above Introduction and Basics of Computers Class 12 Computer are useful for you. If you have any questions then post them in the comments section below. Our teachers will provide you an answer. Also refer to MCQ Questions for Class 12 Computer Science