Computer Science holds 3,334 questions with answers, free to read and with no account needed. They are grouped into 2 categories: Computer Science, Software Engineering.
Questions from this area appear in PPSC, FPSC, NTS, KPPSC and SPSC papers. Each guide explains how that paper is built and which subjects carry it.
Attempt each question before revealing the answer, and keep a note of the ones you get wrong — those are the topics worth reading about properly. If an answer looks wrong, there is a link to report it on every question.
Answer: C. All XML documents must have a schema
XML documents do not require a schema to be considered well-formed or valid. While schemas are useful for enforcing structure, XML files can exist perfectly fine without them. The claim that all XML documents must have a...
Answer: B. old systems
Legacy systems are old software systems still running in operational environments. They often use outdated technologies while remaining critical to business operations. Maintaining legacy systems presents unique challeng...
Answer: D. Both Alpha and Beta
Both alpha and beta testing prioritize how the customer uses the system in real world operational environments. Alpha testing occurs at the developer site with users whereas beta testing happens at customer locations. Th...
Answer: B. Repeat the last Action
Ctrl + Y repeats or redoes the last performed editing action in applications. This command reverses a previous undo operation or reapplies formatting steps. Application history stacks track recent edits to support redo f...
Answer: B. Double data rate
Double data rate memory transfers valuable data on both the rising and falling clock edges. Traditional single rate RAM only sends signals on one single edge of every clock cycle. Utilizing both edges effectively doubles...
Answer: B. Female Connector
A parallel port receptacle featuring internal receiving holes is officially designated as a female connector. Hardware terminology classifies connectors with protruding pins as male and matching receptacles as female. Th...
Answer: B. 12 pt
The default font size for new Word documents based on the Normal template in modern versions is 11 pt, making 12 pt incorrect.
Answer: A. Win + Pause
Win plus pause opens the system properties window in windows operating systems. This shortcut provides instant access to device specifications, computer name, and windows edition. System administrators use this command f...
Answer: C. Vagueness
Voluminous system specifications frequently become vague as details get buried in excessive documentation. Maintaining clarity and consistency across massive requirement documents challenges development teams. Excessive...
Answer: A. Floppy disk
A floppy disk is a portable magnetic storage medium designed for data portability. It consists of a thin flexible magnetic disk sealed inside a protective plastic enclosure. Users could easily remove the disk from a driv...
Answer: A. Notebook
Notebook computers feature compact form factors designed specifically for portable personal computing. Their physical dimensions and lightweight builds make them smaller than standard laptops or desktops. Miniaturized co...
Answer: C. smbclient
The smbclient command connects to server message block shares on Linux platforms. This utility provides an interactive interface similar to FTP for accessing remote shares. Network administrators use this tool to manage...
Answer: C. Math class
The pow method is a static mathematical function associated with the java.lang.Math class. It calculates the value of the first argument raised to the power of the second argument. The correct answer correctly identifies...
Answer: B. Management science models
Management science models utilize economic and quantitative principles for decision making. Accounting and econometrics form the mathematical foundation of these models. Organizations apply these frameworks to optimize r...
Answer: D. SRS
Software requirement specifications are technical engineering documents designed for developers and analysts. SRS documents outline system constraints and functional requirements rather than guiding end users. User docum...
