THE TOP 100 FULL FORMS RELATED TO COMPUTERS: PC - Personal Computer CPU - Central Processing Unit RAM - Random Access Memory ROM - Read-Only Memory GPU - Graphics Processing Unit HDD - Hard Disk Drive SSD - Solid State Drive USB - Universal Serial Bus BIOS - Basic Input/Output System LAN - Local Area Network WAN - Wide Area Network WLAN - Wireless Local Area Network TCP/IP - Transmission Control Protocol/Internet Protocol URL - Uniform Resource Locator HTML - HyperText Markup Language CSS - Cascading Style Sheets HTTP - Hypertext Transfer Protocol HTTPS - Hypertext Transfer Protocol Secure DNS - Domain Name System ISP - Internet Service Provider VPN - Virtual Private Network JPEG - Joint Photographic Experts Group GIF - Graphics Interchange Format PNG - Portable Network Graphics PDF - Portable Document Format OCR - Optical Character Recognition GPS - Global Positioning System ASCII - American Standard Code for Information Interchange IDE - Integrated Development Environment API - Appli...
Second puc computer science Examination 2023
Questions with answers.
Answer Key.
Part A Solutions.
I. Select the correct answer from the choices given
1. ________ are used to connect external devices like printers, keyboard, scanners to the computer.
a. Slots
b. Ports
c. Bus
d. Controllers
Answer : b. Ports
2. Involution law States that
3. ___________gate is also called an inverter.
a. OR
b. AND
c. NOT
d. NAND
Answer : c. NOT
4. _________is the process of accessing each data Item at least once to perform some operation
a. Traversing
b. Insertion
c. Deletion
d. Sorting
Answer: a. Traversing
5. _________ operator is used to define member function outside the class
a. ::
b. ;
c. .
d. :
Answer: a. ::
6. Friend function is a_________
a. Member function
b. Non – member function
c. Main function
d. Recursive function
Answer: b. Non-member function
7. ____________ is a special function that is used to initialize the object of a class automatically
a. Constructor
b. Non-member function
c. Inline function
d. Friend function
Answer: a. Constructor
8. Derived class is called ________
a. Sub class
b. Super class
c. Main class
d. First class
Answer: a. Sub class
9. Which of the following is the correct way to declare a pointer?
a. Int * ptr
b. Int ptr
c. Int |& ptr
d. All the above
Answer: a. Int * ptr
10. Row in a table is called _______
a. Relation
b. Attribute
c. Degree
d. Tuple
Answer: d. Tuple
11. ___________ command is used to delete entire table in SQL.
a. Alter
b. Create
c. Drop
d. Delete
Answer: c. Drop
12. URL stands for __________
a. Uniform Resource Location
b. Uniform Resource Locator
c. Uniform Reservation Location
d. Uniform Road Location
Answer: b. Uniform Resource Locator
13. _________ is a device that connects dissimilar networks
a. Gateway
b. Bridge
c. Hub
d. Switch
Answer: a. Gateway
14. __________ is a collection of computer networks all over the world
a. Intranet
b. Internet
c. Telnet
d. Interspace
Answer: b. Internet
15. _______ is a collection of web pages
a. Package
b. Domain
c. Server
d. Website
Answer: d. Website
II Fill in the blanks choosing the appropriate word/ words from those given in the brackets.
( Security, primary key, Diamond, schema, Redundancy)
16. The structure of database is called as _______
Answer: schema
17. _______ is the symbol used to represent relationship E-R diagram.
Answer: Diamond
18. ___________ uniquely identifies each record in a table.
Answer: primary key
19. Protection of data is the _______
Answer: Security
20. Data duplication is called as _________
Answer: redundancy
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