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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

51 Questions
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21
Easy nts

What does Ctrl+Home do in Excel?

  • A Go to first worksheet
  • B Go to cell A1
  • C Open Home tab
  • D Save workbook
Permalink
Correct Answer: Option B — Go to cell A1
Explanation: Ctrl+Home moves the cursor directly to cell A1, the beginning of the worksheet.
Submitted by: PaperMCQs
22
Easy nts

Which PowerPoint view is best for rearranging slides?

  • A Reading View
  • B Slide Sorter
  • C Notes View
  • D Outline View
Permalink
Correct Answer: Option B — Slide Sorter
Explanation: Slide Sorter view displays all slides as thumbnails and makes rearranging presentations easier.
Submitted by: PaperMCQs
23
Easy nts

Which Excel function counts numeric cells?

  • A COUNT()
  • B COUNTA()
  • C SUM()
  • D AVERAGE()
Permalink
Correct Answer: Option A — COUNT()
Explanation: COUNT returns the number of cells containing numeric values within a specified range.
Submitted by: PaperMCQs
24
Easy nts

Which database object stores data in MS Access?

  • A Form
  • B Report
  • C Table
  • D Macro
Permalink
Correct Answer: Option C — Table
Explanation: Tables are the primary storage objects in Access and contain records organized into rows and columns.
Submitted by: PaperMCQs
25
Easy nts

Which key combination opens the Find dialog box in MS Word?

  • A Ctrl+H
  • B Ctrl+F
  • C Ctrl+N
  • D Ctrl+L
Permalink
Correct Answer: Option B — Ctrl+F
Explanation: Ctrl+F opens the Find feature, allowing users to search for words, phrases, or formatting within a document.
Submitted by: PaperMCQs
26
Easy nts

Which Excel symbol is used to begin a formula?

  • A #
  • B @
  • C =
  • D $
Permalink
Correct Answer: Option C — =
Explanation: Every formula in Excel begins with an equal sign, indicating that the expression should be calculated.
Submitted by: PaperMCQs
27
Easy ppsc nts

What is a workbook in Microsoft Excel?

  • A A single cell
  • B A chart
  • C A collection of worksheets
  • D A formula
Permalink
Correct Answer: Option C — A collection of worksheets
Explanation: A workbook is an Excel file that can contain one or more worksheets and serves as a container for spreadsheet data.
Submitted by: PaperMCQs
28
Easy nts

Which Excel function is used to calculate the average of a range of numbers?

  • A SUM()
  • B COUNT()
  • C AVERAGE()
  • D MAX()
Permalink
Correct Answer: Option C — AVERAGE()
Explanation: The AVERAGE function calculates the arithmetic mean of selected values and is widely used in spreadsheet analysis.
Submitted by: PaperMCQs
29
Easy ppsc nts

What is the intersection of a row and a column in Excel called?

  • A Workbook
  • B Worksheet
  • C Cell
  • D Range
Permalink
Correct Answer: Option C — Cell
Explanation: A cell is formed where a row and a column intersect in Excel. Each cell has a unique reference such as A1 or B5.
Submitted by: PaperMCQs
30
Easy nts

Which shortcut key saves the current document in MS Word?

  • A Ctrl + P
  • B Ctrl + C
  • C Ctrl + S
  • D Ctrl + D
Permalink
Correct Answer: Option C — Ctrl + S
Explanation: Ctrl + S is the standard keyboard shortcut used to save a document in Microsoft Word and many other applications.
Submitted by: PaperMCQs
31
Easy ppsc nts

Which MS Word feature is used to create personalized letters for multiple recipients?

  • A Track Changes
  • B Mail Merge
  • C WordArt
  • D AutoCorrect
Permalink
Correct Answer: Option B — Mail Merge
Explanation: Mail Merge allows users to create personalized documents for multiple recipients by combining a main document with a data source. It is commonly used for letters, certificates, labels, and mass mailing operations.
Submitted by: PaperMCQs
32
Easy ppsc nts

What is the default file extension of a Microsoft Word document in modern versions?

  • A .doc
  • B .txt
  • C .docx
  • D .rtf
Permalink
Correct Answer: Option C — .docx
Explanation: Microsoft Word uses the .docx format by default since Office 2007. It is based on Office Open XML standards and supports text, images, formatting, tables, and other document elements while providing better compression and compatibility.
Submitted by: PaperMCQs
33
Easy fpsc nts

What is the role of DNS in networking?

  • A Assign IP addresses
  • B Translate domain names to IP addresses
  • C Transfer files
  • D Encrypt network traffic
Permalink
Correct Answer: Option B — Translate domain names to IP addresses
Explanation: DNS converts domain names into IP addresses, allowing systems to locate internet resources.
Submitted by: PaperMCQs
34
Easy nts

Which protocol retrieves email messages from a mail server?

  • A POP3
  • B SMTP
  • C FTP
  • D HTTP
Permalink
Correct Answer: Option A — POP3
Explanation: POP3 retrieves emails from a mail server and downloads them to a client device.
Submitted by: PaperMCQs
35
Easy ppsc nts

Which search algorithm checks each element sequentially?

  • A Binary Search
  • B Linear Search
  • C Interpolation Search
  • D Hash Search
Permalink
Correct Answer: Option B — Linear Search
Explanation: Linear Search examines items one by one until the target is found or the list ends.
Submitted by: PaperMCQs
36
Easy nts

Which protocol is used for file transfer over a network?

  • A FTP
  • B HTTP
  • C SMTP
  • D POP3
Permalink
Correct Answer: Option A — FTP
Explanation: FTP is specifically designed for transferring files between systems over a network.
Submitted by: PaperMCQs
37
Easy ppsc nts

Which command is used to add new records to a database table?

  • A UPDATE
  • B SELECT
  • C INSERT
  • D ALTER
Permalink
Correct Answer: Option C — INSERT
Explanation: The INSERT statement adds new rows into a database table and is one of the most common SQL operations.
Submitted by: PaperMCQs
38
Easy ppsc nts

Which protocol is used to automatically assign IP addresses to devices on a network?

  • A DNS
  • B DHCP
  • C SMTP
  • D SNMP
Permalink
Correct Answer: Option B — DHCP
Explanation: Dynamic Host Configuration Protocol automatically assigns IP addresses and network configuration information to devices, simplifying network administration.
Submitted by: PaperMCQs
39
Easy fpsc nts

Which protocol translates domain names into IP addresses?

  • A HTTP
  • B FTP
  • C DNS
  • D SSH
Permalink
Correct Answer: Option C — DNS
Explanation: The Domain Name System (DNS) converts human-readable domain names into numerical IP addresses. This translation allows users to access websites using easy-to-remember names instead of complex numeric addresses.
Submitted by: PaperMCQs
40
Easy ppsc nts

Which database key uniquely identifies each record in a table?

  • A Foreign Key
  • B Candidate Key
  • C Primary Key
  • D Composite Key
Permalink
Correct Answer: Option C — Primary Key
Explanation: A Primary Key uniquely identifies each record in a database table. It cannot contain duplicate values or NULL values and ensures entity integrity within relational database systems.
Submitted by: PaperMCQs
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