Computer — All MCQs
4795 questions available
Q2901.What does the "Undo" feature in MS Word allow you to do?
Correct Answer: D
The Undo feature allows users to reverse their last action or mistake. Since this core definition is missing from options A, B, and C, 'None of these' is correct.
Q2902.Which ribbon tab in MS Word contains options for changing the page layout and margins?
Correct Answer: C
Page Layout (or 'Layout' tab in newer versions) houses margin, orientation, columns, and spacing configuration tools.
Q2903.Which of the following is not a text formatting option in MS Word?
Correct Answer: A
Bold, Italic, and Underline are classic text formatting styles. 'Resize' affects the physical height/scale of objects, not the visual text style format.
Q2904.Which feature in MS Excel allows you to visually represent data through graphical elements?
Correct Answer: C
Excel Charts allow users to visually represent numeric data series through graphical bars, lines, pies, or scatter plots.
Q2905.What is the purpose of a formula in MS Excel?
Correct Answer: B
In Excel, formulas are custom calculations written by users to automatically compute values based on cell coordinates.
Q2906.How can you sum up a range of cells in Excel?
Correct Answer: A
The SUM function is used to add together all numerical values within a specified range of cells (e.g., =SUM(A1:A10)).
Q2907.What is a cell in MS Excel?
Correct Answer: B
An Excel cell represents the rectangular intersection of a single vertical column and a single horizontal row on a worksheet.
Q2908.A device that opposes the flow of electrons in electronic circuits is called?
Correct Answer: D
A resistor is a passive electronic component designed to create resistance and oppose the flow of electrical current (electrons).
Q2909.Which feature in PowerPoint allows you to apply consistent look and feel to all slides in a presentation?
Correct Answer: B
The Slide Master is the template hierarchy that stores design info like fonts, colors, and backgrounds, ensuring consistency across all slides.
Q2910.What is the function of a graphic card in a computer?
Correct Answer: A
A graphics card (GPU) contains dedicated circuitry designed to process, render, and output visual images and video frames to a display monitor.
Q2911.Which component of a computer is responsible for processing and executing instructions?
Correct Answer: B
The CPU (Central Processing Unit) is the main microprocessor responsible for fetching, decoding, and executing program instructions.
Q2912.Which of the following storage devices use magnetic storage technology?
Correct Answer: A
Hard Disk Drives (HDDs) write and read digital data magnetically using read/write heads positioned over rotating magnetic platters.
Q2913.What is the primary purpose of a motherboard in a computer system?
Correct Answer: A
The motherboard acts as the central printed circuit board that connects all critical hardware (CPU, RAM, drives) and allows them to communicate.
Q2914.Which of the following is a common unit used to measure network data transfer rates?
Correct Answer: C
Kilobits per second (Kbps) represents 1,000 bits of data transferred per second, a common unit for measuring data rates on slower connections.
Q2915.What does RDA stands for?
Correct Answer: C
RDA stands for Roshan Digital Account, a major State Bank of Pakistan initiative providing digital banking for Non-Resident Pakistanis.
Q2916.The main function of a web server is to store and process?
Correct Answer: B
A web server's main function is to store website files and serve them to users via HTTP requests over the Internet.
Q2917.Which unit is typically used to measure network bandwidth or internet speed?
Correct Answer: B
Megabits per second (Mbps) is the standard metric used to measure high-speed network bandwidth and internet transfer rates.
Q2918.What is the binary equivalent of the decimal number (25)₁₀?
Correct Answer: B
25 divided by 2 gives remainders 1, 0, 0, 1, 1 (read bottom-up), which translates to binary 11001.
Q2919.What is the decimal equivalent of the binary number (1101)₂?
Correct Answer: B
Binary 1101 = 1*(2^3) + 1*(2^2) + 0*(2^1) + 1*(2^0) = 8 + 4 + 0 + 1 = 13.
Q2920.Which ribbon tab in MS Word allows you to change the page orientation of your document?
Correct Answer: B
Page Layout (referred to as 'Layout' in modern versions) houses the orientation options to toggle between Portrait and Landscape.