Computer Science — Mixed Practice — Part 1: 40 MCQs with Explanations
40 exam-level computer science — mixed practice MCQs with answers and explanations for PPSC, FPSC, NTS preparation.
40
Questions
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4
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60
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Exam-Level PPSC FPSC NTS CSS
Last updated: Oct 13, 2026
40
Total Practice MCQs
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Q1 of 40
In Inpage we used _________ for Title Text box?
Correct Answer: Option C — Shift+F3
Detailed Academic Explanation:
In Inpage we used Shift+F3 for Title Text box.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q2 of 40
The length of MAC address is ___________?
Correct Answer: Option B — 48 bits
Detailed Academic Explanation:
The length of MAC address is 48 bits .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q3 of 40
BASIC stands for ________?
Correct Answer: Option D — Beginners All Purpose Symbolic Instruction Codes
Detailed Academic Explanation:
BASIC stands for Beginners All Purpose Symbolic Instruction Codes .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q4 of 40
Which of the following is/are the logic gate?
Correct Answer: Option A — All of these
Detailed Academic Explanation:
All of these is the correct answer to “Which of the following is/are the logic gate”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q5 of 40
CAM Stands for: __________?
Correct Answer: Option D — Computer Aided Manufacturing
Detailed Academic Explanation:
CAM Stands for: Computer Aided Manufacturing .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q6 of 40
Storage capacity of magnetic disk depends on _________?
Correct Answer: Option A — All of above
Detailed Academic Explanation:
Storage capacity of magnetic disk depends on All of above .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q7 of 40
An online journal where people post about their experiences called __________?
Correct Answer: Option A — Blog
Detailed Academic Explanation:
An online journal where people post about their experiences called Blog .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q8 of 40
The first completely 64-bit compatible version of Android was____?
Correct Answer: Option A — Android 5.0 Lollipop
Detailed Academic Explanation:
The first completely 64-bit compatible version of Android was Android 5.0 Lollipop .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q9 of 40
A single packet on a data link is known as _________?
Correct Answer: Option B — Frame
Detailed Academic Explanation:
A single packet on a data link is known as Frame .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q10 of 40
What is the full form of G-mail?
Correct Answer: Option A — Google Mail
Detailed Academic Explanation:
Google Mail is the correct answer to “What is the full form of G-mail”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q11 of 40
Storage is also known as ________?
Correct Answer: Option A — All of above
Detailed Academic Explanation:
Storage is also known as All of above .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q12 of 40
Multithreading is also called as:__________?
Correct Answer: Option C — Concurrency
Detailed Academic Explanation:
Multithreading is also called as: Concurrency .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q13 of 40
Which is the type of port?
Correct Answer: Option D — All of these
Detailed Academic Explanation:
All of these is the correct answer to “Which is the type of port”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q14 of 40
Good passwords contain on ________?
Correct Answer: Option B — Alphanumeric
Detailed Academic Explanation:
Good passwords contain on Alphanumeric .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q15 of 40
Whose face was first uploaded on Facebook?
Correct Answer: Option D — Al Pacino
Detailed Academic Explanation:
Al Pacino is the correct answer to “Whose face was first uploaded on Facebook”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q16 of 40
The new name of Facebook is __________?
Correct Answer: Option D — Meta
Detailed Academic Explanation:
The new name of Facebook is Meta .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q17 of 40
In banks, data check on the cheques is read by the following device:
Correct Answer: Option B — MICR
Detailed Academic Explanation:
MICR is the correct answer to “In banks, data check on the cheques is read by the following device:”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q18 of 40
E-mail is a system for exchanging messages through a__________?
Correct Answer: Option C — Network
Detailed Academic Explanation:
E-mail is a system for exchanging messages through a Network .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q19 of 40
The Video Graphics Array (VGA) resolution standard is__________?
Correct Answer: Option A — 640×480
Detailed Academic Explanation:
The Video Graphics Array (VGA) resolution standard is 640×480 .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q20 of 40
The universal format for PACS image storage and transfer is ______?
Correct Answer: Option A — DICOM
Detailed Academic Explanation:
The universal format for PACS image storage and transfer is DICOM .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q21 of 40
Diameter of Compact Disk is ________?
Correct Answer: Option C — 12 cm
Detailed Academic Explanation:
Diameter of Compact Disk is 12 cm .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q22 of 40
The process to remove errors in a program is called_________?
Correct Answer: Option A — Debugging
Detailed Academic Explanation:
The process to remove errors in a program is called Debugging .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q23 of 40
What is Heuristic checking?
Correct Answer: Option D — Virus scanning
Detailed Academic Explanation:
Virus scanning is the correct answer to “What is Heuristic checking”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q24 of 40
Mac OS offers _____________ for data backup.
Correct Answer: Option C — Time Machine
Detailed Academic Explanation:
Mac OS offers Time Machine for data backup.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q25 of 40
The BIOS settings are stored in _________?
Correct Answer: Option A — CMOS chip
Detailed Academic Explanation:
The BIOS settings are stored in CMOS chip .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q26 of 40
Hard disk drives are considered _________ storage.
Correct Answer: Option D — nonvolatile
Detailed Academic Explanation:
Hard disk drives are considered nonvolatile storage.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q27 of 40
” Disk Cleanup” is a/an:________?
Correct Answer: Option B — Utility Manger
Detailed Academic Explanation:
” Disk Cleanup” is a/an: Utility Manger .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q28 of 40
F1 through F 12 are called_________keys.
Correct Answer: Option B — Function
Detailed Academic Explanation:
F1 through F 12 are called Function keys.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q29 of 40
RAID stands for:
Correct Answer: Option A — Redundant Array of Independent Disks
Detailed Academic Explanation:
Redundant Array of Independent Disks is the correct answer to “RAID stands for:”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q30 of 40
Which of these is a peripheral device?
Correct Answer: Option A — CD Rom
Detailed Academic Explanation:
CD Rom is the correct answer to “Which of these is a peripheral device”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q31 of 40
Which of the following is not true of FORTRAN?
Correct Answer: Option A — It is one of the oldest high-level languages
Detailed Academic Explanation:
It is one of the oldest high-level languages is the correct answer to “Which of the following is not true of FORTRAN”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q32 of 40
Which of the following do not belong to queues for processes?
Correct Answer: Option A — PCB queue
Detailed Academic Explanation:
PCB queue is the correct answer to “Which of the following do not belong to queues for processes”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q33 of 40
Hyperlink is __________________?
Correct Answer: Option B — Blue text with underline
Detailed Academic Explanation:
Hyperlink is Blue text with underline .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q34 of 40
Which of the following device uses the parallel transmission?
Correct Answer: Option D — Printer
Detailed Academic Explanation:
Printer is the correct answer to “Which of the following device uses the parallel transmission”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q35 of 40
Which of the following is single-user single-tasking operating system?
Correct Answer: Option C — Both a&c
Detailed Academic Explanation:
Both a&c is the correct answer to “Which of the following is single-user single-tasking operating system”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q36 of 40
Who was the inventor of mouse?
Correct Answer: Option C — Douglas Engelbart
Detailed Academic Explanation:
Douglas Engelbart is the correct answer to “Who was the inventor of mouse”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q37 of 40
Which of the following is not used to access the web?
Correct Answer: Option B — ISDN
Detailed Academic Explanation:
ISDN is the correct answer to “Which of the following is not used to access the web”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q38 of 40
Microsoft Office Picture Manager is:
Correct Answer: Option C — Basic photo management software
Detailed Academic Explanation:
Basic photo management software is the correct answer to “Microsoft Office Picture Manager is:”. Items of this type are drawn from the Computer Science — Mixed Practice — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q39 of 40
1GB is equal to______ bytes?
Correct Answer: Option B — 1 billion bytes
Detailed Academic Explanation:
1GB is equal to 1 billion bytes bytes.
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
Q40 of 40
GUI is a/an ___________?
Correct Answer: Option A — Operating System
Detailed Academic Explanation:
GUI is a/an Operating System .
💡 Key Conceptual Anchor:
Computer Science — Mixed Practice
💡 How to Use These MCQs
Self-Assessment: Test your current knowledge level before studying.
Learning Aid: Read explanations carefully to understand concepts, not just memorize answers.
Revision Tool: Review these questions periodically before exams.
Time Management: Practice answering within time limits to improve speed.
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