SSC CGL Computer – Software & Operating Systems; Windows & File Explorer – Level 1 · Warm-up

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SSC CGL Computer – Software & Operating Systems; Windows & File Explorer – Level 1 · Warm-up – 12 questions, subject: Computer Knowledge. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
The licence terms a user must accept before installing proprietary software are called the:

Correct Answer: A [EULA (End-User Licence Agreement)]

Explanation:

EULA = End-User Licence Agreement, shown during installation of proprietary software.

2.  
A computer has two CPUs that run different programs at the same moment. This is called:

Correct Answer: D [Multiprocessing]

Explanation:

Several CPUs working together = multiprocessing; multiprogramming keeps several programs in memory for ONE CPU.

3.  
MOV and ADD are mnemonics of which kind of language?

Correct Answer: B [Assembly language]

Explanation:

Assembly (2GL) uses short mnemonics; an assembler turns them into machine code.

4.  
Software whose source code is openly available for anyone to study and modify is called:

Correct Answer: C [Open-source software]

Explanation:

Open source publishes the code; freeware is only free of cost.

5.  
Linux is an example of:

Correct Answer: D [An open-source operating system]

Explanation:

Linux kernel – released by Linus Torvalds in 1991, open source.

6.  
The core part of an operating system that stays in memory and controls the hardware is the:

Correct Answer: A [Kernel]

Explanation:

Kernel = core; shell = user's interface layer.

7.  
One-line recallThe self-test that a computer runs when it is switched on is called:

Correct Answer: C [POST]

Explanation:

POST = Power-On Self-Test, run by the firmware.

8.  
Restarting a computer that is already on, without switching the power off, is called a:

Correct Answer: B [Warm boot]

Explanation:

Warm boot = restart while powered; cold boot = start from power off.

9.  
In Windows, the file manager used to browse drives, folders and files is:

Correct Answer: B [File Explorer]

Explanation:

File Explorer (Windows Explorer before Windows 8).

10.  
Fill in the blankThe area at the right end of the Windows taskbar showing the clock, volume and network icons is the ______.

Correct Answer: A [notification area]

Explanation:

Answer: notification area. Also called the system tray.

11.  
The extension .pptx belongs to a file created in:

Correct Answer: C [MS PowerPoint]

Explanation:

pptx = PowerPoint (2007 onwards format).

12.  
Statement-basedWhich is/are correct?
I. A device driver is application software.
II. Antivirus is utility software.

Correct Answer: D [Only II]

Explanation:

Drivers are system software, so I is wrong; antivirus is a utility (system software).

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Computer Knowledge book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-computer-knowledge

📘 SSC CGL 2026 – Computer Knowledge (Tier II Paper I – Section III)
Here you get the answer with a one-line explanation. 672 original questions with answer key and explanations · notes, figures, shortcut keys and memory aids · practice sets + 3 Computer Knowledge mock tests
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