12th Class Computer Science - Revision Bank
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Chapter 1: Office Automation and Typing
Full Forms
WYSIWYG
What You See Is What You Get
Portable Document Format
Chapter 2: Control Statements
(This chapter focused on syntax and logic; no specific True/False or Full Forms provided in original text.)
Chapter 3: Computer Networks
True or False
The devices that filter traffic are called connectivity devices.
True
A hub is basically a single-port repeater.
False (It is a multi-port repeater)
Transmission media is of two types: Guided and Un-guided.
True
Network sharing does not allow resources to be shared over a network.
False
Full Forms
UTP
Unshielded Twisted Pair
FTP
File Transfer Protocol
SMTP
Simple Mail Transfer Protocol
POP
Post Office Protocol
HTTP
Hypertext Transfer Protocol
MAC
Media Access Control
OSI
Open System Interconnection
WiFi
Wireless Fidelity
NFC
Near Field Communication
IP
Internet Protocol
Chapter 4: Current Trends in IT
True or False
Android operating system is a mobile operating system.
True
Virtual reality (VR) means experiencing things that really exist.
False (It creates a fantasy/imaginary world)
5G will interconnect and control machines, objects, and devices.
True
Building a computer to act like human intelligence is called AI.
True
Full Forms
VR
Virtual Reality
IoT
Internet of Things
IT
Information Technology
GPS
Global Positioning System
E-Commerce
Electronic Commerce
Chapter 5: Artificial Intelligence & Expert Systems
Full Forms
AI
Artificial Intelligence
GAI
General Artificial Intelligence
NLP
Natural Language Processing
SAI
Strong Artificial Intelligence
Chapter 6: Digitalization
Full Forms
B2C
Business to Customer
B2B
Business to Business
C2C
Customer to Customer
BHIM
Bharat Interface for Money
QR
Quick Response
UPI
Unified Payment Interface
MOOCs
Massive Open Online Courses
NAD
National Academic Depository
Chapter 7: E-Governance (Part-II)
Full Forms
UIDAI
Unique Identification Authority of India
DSS
Decision Support System
MIS
Management Information System
G2C
Government to Citizen
G2E
Government to Employee
G2G
Government to Government
TPS
Transaction Processing System
Chapter 8: Image Editing & File Conversion
Full Forms
GIF
Graphics Interchange Format
PNG
Portable Network Graphics
TIFF
Tagged Image File Format
JPG
Joint Photographic Expert Group
PSD
Photoshop Document
BMP
Bitmap Picture
Chapter 9: Audio and Video Editing
True or False
The process of making a movie is divided into five stages.
False (It is divided into three stages)
Video editing works with only one video clip.
False
Merging a video means splitting the clip into several parts.
False (Merging means joining)
It is advisable to save the project before exporting the video.
True
MPEG-4 uses different compression for audio and video tracks.
True
Full Forms
MP4
Moving Picture Experts Group-4
MP3
MPEG Audio Layer 3
WMV
Windows Media Video
FLV
Flash Video
AVI
Audio Video Interleaved
CDA
Compact Disk Audio
MPC
Media Player Classic