Computer Science
Explore 22 authentic past paper questions categorized by topic.
In MS Word, the shortcut key to insert a Hyperlink is:
Explanation: Ctrl + K opens the Insert Hyperlink dialog box. Ctrl + H is for Find and Replace.
Which of the following is considered the brain of the computer?
Explanation: The Central Processing Unit (CPU) executes instructions and acts as the brain of the computer.
What is the name of the Pakistani peer-to-peer cryptocurrency trading platform?
Explanation: Binance's peer-to-peer (P2P) trading platform is widely used in Pakistan for cryptocurrency transactions, allowing users to buy and sell digital assets directly with each other.
How many satellites constitute the operational GPS constellation?
Explanation: The GPS (Global Positioning System) constellation consists of a minimum of 24 operational satellites orbiting the Earth, ensuring global coverage for navigation and positioning.
How do you access the Filter option in Microsoft Excel?
Explanation: In Microsoft Excel, the Filter option is accessed via the Data tab on the ribbon, then clicking Filter. This allows users to sort and display specific rows based on defined criteria.
What does SQL stand for?
Explanation: SQL stands for Structured Query Language, a standardized programming language used for managing and querying relational databases such as MySQL, PostgreSQL, and MS SQL Server.
How do you create a video from a PowerPoint presentation?
Explanation: In Microsoft PowerPoint, a presentation can be exported as a video by navigating to File > Export > Create a Video, allowing you to set resolution and recording timings.
What is the maximum number of slides allowed in Microsoft PowerPoint?
Explanation: Microsoft PowerPoint does not impose a hard limit on the number of slides in a presentation. In practice, performance may slow with very large files, but there is no fixed maximum slide count.
How do you split the view in Microsoft Word?
Explanation: In Microsoft Word, the split view feature is accessed through the View tab, then clicking Split in the Window group, which divides the document window into two panes.
Which technology is primarily used by ChatGPT to generate text responses?
Explanation: ChatGPT is built on large language models (LLMs) that use deep learning, specifically transformer-based neural networks, to process input and generate coherent, contextually relevant text responses.
Which humanoid AI robot is specifically designed to handle upper-body tasks?
Explanation: The Helix Humanoid is an AI-powered robotic system designed to handle and execute upper-body manipulation tasks, enabling it to work alongside humans in warehouse and industrial environments.
What type of AI is used in robotics to perform real-time tasks?
Explanation: Embedded AI refers to artificial intelligence algorithms integrated directly into hardware devices or robotic systems, enabling them to process data and make decisions in real time without requiring cloud connectivity.
What does the abbreviation GIS stand for?
Explanation: GIS stands for Geographic Information System, a framework for gathering, managing, and analyzing spatial and geographical data. It is widely used in urban planning, disaster management, and land surveying.
What does ARP stand for in computer networking?
Explanation: ARP stands for Address Resolution Protocol. It is a communication protocol used to map an IP address (Layer 3) to a physical MAC address (Layer 2) on a local network.
What is the primary function of a software patch?
Explanation: A software patch is a set of changes applied to a program to improve it, fix security vulnerabilities, or correct bugs without requiring a complete software reinstallation.
What is the term for software that is permanently embedded into hardware?
Explanation: Firmware is a type of software permanently stored in a hardware device's non-volatile memory (ROM or flash). It provides the low-level control program for the device's specific hardware, such as a router or printer.
What is the primary function of a compiler in computer programming?
Explanation: A compiler is a program that translates high-level source code written by a programmer into low-level machine code (binary) that a computer's processor can execute directly.
In which year was the first electronic email sent?
Explanation: The first email was sent in 1971 by Ray Tomlinson, who also introduced the use of the "@" symbol to separate the user name from the host name in email addresses.
Oracle Corporation was co-founded by which technology entrepreneur?
Explanation: Oracle Corporation was co-founded by Larry Ellison, Bob Miner, and Ed Oates in 1977. It became one of the world's largest database management and enterprise software companies.
Which type of chart is best suited to show changes over a period of time?
Explanation: A line chart is the most effective chart for showing trends and changes in data over a continuous time period, as it connects data points with lines to visualize progression.
Which fundamental data structure in computer science stores a collection of elements of the same data type in contiguous memory locations?
Explanation: An Array is the most fundamental data structure that stores elements of the same data type in contiguous (adjacent) memory locations, allowing efficient access via index.
Which type of monitor offers a wide viewing angle from almost any direction?
Explanation: CRT (Cathode Ray Tube) monitors emit light in all directions from the phosphor screen, providing a wide viewing angle close to 180°, unlike older LCD panels which suffered from narrow viewing angles.