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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

179 Questions Subject Test

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41

Medium nts Uploaded: 07 Aug 2026

Which of the following is an advantage of cloud storage?

A Access data from anywhere with internet connection
B Always more secure than local storage
C Cannot be shared with others
D Requires no internet connection

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42

Easy nts Uploaded: 20 Jun 2026

Which Excel function counts numeric cells?

A COUNT()
B COUNTA()
C SUM()
D AVERAGE()

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43

Easy ppsc nts Uploaded: 20 Jun 2026

Which software is used to create spreadsheets?

A PowerPoint
B Excel
C Access
D Outlook

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44

Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Why are Headers and Footers added to a document in MS Word?

A To mark the beginning of a page
B To improve the document's appearance
C To display repeating information such as page numbers, dates, and titles on printed pages
D To make a document easier to read

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45

Easy nts Uploaded: 13 Aug 2026

What does 'plug-in' mean in software context?

A A software component that adds specific features to an application
B A type of virus
C A hardware device
D A network cable

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46

Easy nts Uploaded: 23 Aug 2026

Which of the following is a benefit of using cloud computing?

A Requires no internet connection
B Only works on one device
C Scalability and remote accessibility
D Eliminates the need for security

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47

Medium nts Uploaded: 09 Aug 2026

What is the purpose of 'debugging' in programming?

A Store data
B Compile code
C Identify and fix errors in code
D Design interfaces

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48

Easy nts Uploaded: 13 Aug 2026

What is the primary purpose of compression software?

A Reduce file size for storage or transfer
B Encrypt data
C Increase file size
D Backup data

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49

Hard nts Uploaded: 23 Aug 2026

Which memory management technique divides memory into fixed-size blocks?

A Swapping
B Segmentation
C Caching
D Paging

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50

Hard nts Uploaded: 09 Aug 2026

Which of the following is a characteristic of object-oriented programming?

A Sequential execution only
B No data types
C No functions
D Encapsulation

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51

Easy ppsc nts Uploaded: 20 Jun 2026

What is a workbook in Microsoft Excel?

A A single cell
B A chart
C A collection of worksheets
D A formula

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52

Easy ppsc nts Uploaded: 20 Jun 2026

What is the purpose of antivirus software?

A Create backups
B Design websites
C Detect and remove malicious software
D Manage databases

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53

Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which memory type is most commonly used to store firmware in embedded systems?

A RAM
B Virtual Memory
C Cache Memory
D ROM

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54

Hard nts Uploaded: 13 Aug 2026

What is the function of a subnet mask?

A Compile source code
B Divide an IP network into smaller sub-networks
C Store website data
D Encrypt network traffic

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55

Easy ppsc nts Uploaded: 18 Jun 2026

Which of the following is NOT an operating system?

A Windows 11
B Ubuntu Linux
C Microsoft Word
D macOS Ventura

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56

Medium nts Uploaded: 23 Aug 2026

Which of the following is a DBMS software?

A MS Word
B VLC
C MySQL
D Photoshop

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57

Easy ppsc nts Uploaded: 20 Jun 2026

What is the primary function of an operating system?

A Create websites
B Manage hardware and software resources
C Compile programs
D Design databases

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58

Medium nts Uploaded: 13 Aug 2026

What is the goal of software maintenance?

A Writing new software
B Designing databases
C Testing hardware
D Fixing bugs and updating software after deployment

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59

Medium nts Uploaded: 07 Aug 2026

Which of the following is a characteristic of open-source software?

A Source code is always kept secret
B It cannot be distributed freely
C It requires a paid license always
D Source code is publicly available for modification

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60

Medium nts Uploaded: 09 Aug 2026

Which of the following best describes 'phishing'?

A A hardware component
B A method of fraudulently obtaining sensitive information
C A type of programming language
D A network protocol

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