12th Class Computer Science: Complete Short Question Bank
Chapter 1: Office Automation and Typing
What is MS Excel?
MS Excel is an electronic spreadsheet software used for automated calculations, organizing data in rows and columns, and creating charts.
What is Formatting in MS Word?
Formatting refers to changing the font style, size, color, bold, italic, underline, and other related parameters of the text.
Explain the Formula Bar in Excel.
The formula bar is used to enter or edit formulas and data in cells. It displays the content of the active cell.
What are Margins?
Margins are the space between the text and the edge of your document (Top, Bottom, Left, and Right).
What is Page Orientation?
Orientation is the direction in which a page is displayed or printed. The two options are Portrait (vertical) and Landscape (horizontal).
Write the name of four types of alignments.
Left, Center, Right, and Justify.
Chapter 2: Control Statements
Define Branching and its types.
Branching is used to jump to different parts of a program. Control statements include: if, if-else, nested if, and switch.
What is Looping?
Looping is the process of repeating a set of commands multiple times until a condition is met. Types include for, while, and do-while.
What are Control Statements?
Control statements are used to alter the normal flow of a program based on certain conditions.
What are Post-Test Loops in C?
In a post-test loop, the condition is checked after the body of the loop has executed (e.g., do-while loop).
What is a Nested if statement?
Writing an if statement within another if statement is called a Nested if statement.
Chapter 3: Computer Networks
What is a Network?
A computer network is a set of computers connected together to share resources like files, printers, and internet.
What is a Bridge?
A Bridge is a 2-port device used to connect two network segments and filter traffic.
Why do we need a network?
Networks are needed for resource sharing, communication, high reliability, and cost reduction.
Define Protocol.
A protocol is a set of rules used for communication between devices on a network.
What is Guided and Un-guided media?
Guided media uses physical cables (e.g., Twisted pair, Fiber optic). Un-guided media uses wireless signals (e.g., Wi-Fi, Bluetooth).
Chapter 4: Current Trends in IT
What is Information Technology (IT)?
IT is an area where computers and hardware/software are used to create, process, secure, and exchange electronic data.
Define Bluetooth Technology.
Bluetooth is a wireless technology used to exchange data over short distances between mobile and fixed devices.
What is GPS?
Global Positioning System is a satellite-based navigation system used to find location and time.
Define 5G technology.
5G is the 5th generation mobile network designed to connect machines, objects, and devices with higher speeds and lower latency.
Chapter 5: Artificial Intelligence and Expert System
What is Artificial Intelligence (AI)?
AI refers to the intellectual ability developed in an artificial way to make computers act like human intelligence.
What are the components of an Expert System?
The three major components are: User Interface, Knowledge Base, and Inference Engine.
What are the limitations of Expert Systems?
Limitations include high cost, lack of human common sense, and inability to handle inconsistent knowledge.
Chapter 6: Digitalization
What is Digitalization?
Digitalization is the process of converting information into a computer-readable and storable digital format.
Describe Net Banking.
Net Banking allows customers to conduct financial transactions electronically over the internet via the bank's website.
What is E-Commerce?
Electronic Commerce refers to the buying and selling of goods or services using the internet.
What is DigiLocker?
DigiLocker is a cloud-based platform for storage, sharing, and verification of digital documents and certificates.
Chapter 7: E-Governance
What are the three levels of E-governance?
National Level, Domestic (State) Level, and International Level.
What is Smart Governance?
Smart Governance is the use of ICT to make government services more simple, moral, accountable, responsive, and transparent.
What are Sewa/Suvidha Kendras?
These centers provide e-governance services at the village and town level in Punjab for citizen convenience.
What is an Information System (IS)?
IS is a system used by people and organizations to collect, filter, process, and share data. Examples: MIS, DSS.
Chapter 8: Image Editing and File Conversion
What is Image Editing?
Image editing is the process of altering or enhancing photographs or digital images using software.
What are Masks in GIMP?
Masks are used in GIMP to control the transparency of specific parts of a layer.
What are Layers in GIMP?
Layers are like a group of transparent sheets stacked on top of each other, allowing you to edit parts of an image independently.
Chapter 9: Audio and Video Editing
Name the three stages of making a movie.
Pre-production, Production, and Post-production.
What is CD Ripping?
CD Ripping is the process of copying audio or video content from a compact disk to a computer hard drive.
What are Codecs?
Codecs are programs or devices used to compress and decompress digital media files.
What is Video Splitting?
Video splitting is the process of dividing a single video clip into multiple smaller sections.
