Practice 44 computer solved past paper MCQs with correct answers and explanations for competitive exams.
These are the important Practice 44 computer solved past paper MCQs with the right answers and explanations. For BPSC, FPSC, Lecturer Computer Science, IT Teacher, SST, and all kinds of competitive exams, exam preparation is greatly facilitated by practicing these multiple-choice questions (MCQs), each of which is explained to help students understand the material.
کمپیوٹر ٹیسٹ کی بہتر تیاری کے لیے ہمارے آن لائن ٹیسٹ میں حصہ لیں اور اپنی معلومات کو جانچیں۔ مزید مشق کے لیے حل شدہ پیپرز اور گزشتہ امتحانات کے سوالات دیکھیں اور اپنی تیاری کو بہتر بنائیں۔
What You Will Learn
By practicing these computer solved past paper MCQs, you will review important computer concepts frequently covered in competitive and recruitment examinations, including:
- Computer Fundamentals: Basic computer concepts, types of computers, and computer generations.
- Computer Memory: RAM, ROM, bits, bytes, and data storage units.
- Hardware and Software: CPU, sound cards, data buses, and application software.
- Microsoft Office: Important features and shortcuts in MS Word, Excel, and PowerPoint.
- Internet and Networking: Internet Protocol (IP), web standards, email, and search engines.
- Computer Security: Authentication, PINs, spam, and computer viruses.
- Exam Practice: Correct answers with explanations to help you understand concepts and prepare for computer operator, SST, IT teacher, and other competitive examinations.
1. The process of verifying the identity of a user is termed as:
A) Authorization
B) Encryption
C) Compression
D) Authentication ✅
Answer: D) Authentication
Authentication confirms who the user is, for example, with a password or PIN. Authorization decides what that user is allowed to do.
2. The output shown on the computer monitor is called:
A) Hard copy
B) Printout
C) Soft copy ✅
D) Backup
Answer: C) Soft copy
Explanation: Output displayed on the screen is a soft copy because it is temporary and not on paper. Printed output is called a hard copy.
3. Which of the following is temporary memory?
A) ROM
B) Hard disk
C) CD-ROM
D) RAM ✅
Answer: D) RAM
RAM is volatile memory, so it loses its contents when the power is turned off. ROMs, hard disks, and CDs keep their data permanently.
4. Which type of software is designed for use across different industries and businesses?
A) Horizontal market software ✅
B) Vertical market software
C) Custom-made software
D) Embedded software
Answer: A) Horizontal market software
Horizontal market software is designed for use across many industries and organizations. Examples include Microsoft Word, Excel, and accounting software.
5. After creating a table, which of the following is correct?
A) Fields can never be changed.
B) Fields can be added and deleted as needed ✅
C) Only the table name can be edited
D) Fields can only be added, never deleted.
Answer: B) Fields can be added and deleted as needed.
A database table’s design can be modified after it is created. Fields can be added, deleted, or changed whenever needed.
6. Ctrl+S is used to save the document with the:
A) New name
B) Different format
C) Same name ✅
D) Random name
Answer: C) Same name
Ctrl+S saves the file under its current name. “Save As” is used when you want to give it a new name or format.
7. One byte is equal to how many bits?
A) 4
B) 8 ✅
C) 16
D) 2
Answer: B) 8
One byte is made up of 8 bits. It is usually enough to store a single character, such as a letter or digit.
8. PIN stands for:
A) Personal Identification Number ✅
B) Private Information Number
C) Personal Internet Number
D) Protected Identity Network
Answer: A) Personal Identification Number
A PIN is a secret number used to verify a person’s identity. It is commonly used at ATMs and for mobile banking.
9. For hearing and playing sound, which devices are required?
A) Graphics card and monitor
B) Sound card and speakers ✅
C) Scanner and printer
D) Modem and router
Answer: B) Sound card and speakers
A sound card processes the audio signals in a computer. The speakers then produce the sound that we hear.
10. The Basic Input/Output System (BIOS) is used in a computer to:
A) Edit documents
B) Browse the internet
C) Load the operating system at start-up ✅
D) Print files
Answer: C) Load the operating system at start-up.
BIOS runs when the computer starts and checks the hardware. It then hands control over to the operating system.
11. Which part of the computer is called the “brain of the computer”?
A) Monitor
B) Keyboard
C) Hard disk
D) Central Processing Unit (CPU) ✅
Answer: D) Central Processing Unit (CPU)
The CPU processes instructions and controls all other parts of the computer. This is why it is called the brain.
12. Which type of computer is primarily used for complex scientific calculations, weather forecasting, and advanced research?
A) Supercomputer ✅
B) Laptop
C) Minicomputer
D) Microcomputer
Answer: A) Supercomputer
Supercomputers are the fastest and most powerful computers available. They are used for weather forecasting, scientific research, and other complex calculations.
13. In Microsoft Excel, the intersection of columns and rows is called a:
A) Range
B) Cell ✅
C) Table
D) Chart
Answer: B) Cell
The box where a row and a column converge is called a cell. Every cell has a unique address, like A1 or B3.
14. In computing, MB stands for:
A) Megabit
B) Mainbyte
C) Megabyte ✅
D) Macrobyte
Answer: C) Megabyte
MB stands for megabyte, which is about one million bytes. It is commonly used to measure file sizes.
15. The smallest memory unit of a computer is:
A) Byte
B) Nibble
C) Word
D) Bit ✅
Answer: D) Bit
A bit (binary digit) holds a single value, 0 or 1. It is the smallest unit of data in a computer.
16. DOS may be unable to locate files on a disk if a computer virus corrupts the:
A) File Allocation Table (FAT) / Directory ✅
B) Monitor settings
C) Keyboard layout
D) Mouse driver
Answer: A) File Allocation Table (FAT) / Directory
The FAT records where files are stored on a disk. If the FAT or directory is corrupted, DOS may fail to find or open the files, though recovery may still be possible with backups or recovery tools.
17. What is unsolicited bulk e-mail known as?
A) Phishing
B) Spam ✅
C) Cookie
D) Spyware
Answer: B) Spam
Spam is unsolicited bulk e-mail, typically sent for advertising. Phishing is different in that it tries to steal personal information.
18. The program that compresses large files into a smaller file is:
A) Notepad
B) Paint
C) WinZip / Archive utility ✅
D) Media Player
Answer: C) WinZip / Archive utility
Compression tools such as WinZip or WinRAR reduce the size of files. This makes them easier to store and send.
19. In Internet terminology, IP stands for:
A) Internet Provider
B) Internal Program
C) Information Packet
D) Internet Protocol ✅
Answer: D) Internet Protocol
IP is the protocol that gives devices their addresses (IP addresses) on a network. It also routes data from one device to another.
20. In computer science, half a byte is also known as:
A) Nibble ✅
B) Bit
C) Word
D) Kilobyte
Answer: A) Nibble
A nibble equals 4 bits, which is exactly half of a byte (8 bits).
21. The World Wide Web is being standardized by:
A) ISO
B) W3C ✅
C) IEEE
D) NASA
Answer: B) W3C
The World Wide Web Consortium (W3C) develops web standards such as HTML and CSS. These standards keep websites working across different browsers.
22. When searching for text in Excel, the search matches cell contents based on what?
A) Cell color
B) Column width
C) The characters entered ✅
D) Font size
Answer: C) The characters entered
Excel compares the characters you type with the contents of the cells. The result depends on search settings, such as matching the entire cell or only part of it.
23. Which one of the following is not a search engine?
A) Google
B) Bing
C) Yahoo
D) Windows ✅
Answer: D) Windows
Windows is an operating system, not a search engine. Google, Bing, and Yahoo are used to search for information on the internet.
24. ROM stands for:
A) Read-Only Memory ✅
B) Random Output Memory
C) Read Over Memory
D) Run Only Module
Answer: A) Read-Only Memory
ROM is permanent (non-volatile) memory, so its contents stay even when the power is switched off. Its data is normally only read, not changed. It usually stores the start-up instructions the computer needs to boot.
25. In PowerPoint, the difference between Slide Design and the Auto Content Wizard is
A) Both only change fonts.
B) Slide Design applies formatting; Auto Content Wizard provides sample content and structure. ✅
C) Slide Design creates content; Auto Content Wizard applies colors.
D) There is no difference.
Answer: B) Slide Design applies formatting; Auto Content Wizard provides sample content and structure.
In older versions of PowerPoint, Slide Design applies themes, colors, and formatting to slides. The AutoContent Wizard guides the user through predefined topics and gives a suggested content outline. So one handles the look and the other handles the content structure.
26. Microsoft Office is a type of:
A) System Software
B) Firmware
C) Application Software ✅
D) Hardware
Answer: C) Application Software
MS Office is a suite of programs such as Word, Excel, and PowerPoint. Each is designed for a specific user task, like writing documents or making spreadsheets. System software, by contrast, runs the computer itself (e.g., Windows).
27. The arrangement of data in a logical sequence is known as:
A) Filtering
B) Merging
C) Formatting
D) Sorting ✅
Answer: D) Sorting
Sorting arranges data in a particular order, such as A to Z, Z to A, or smallest to largest. It makes large lists easier to read and search. Filtering, on the other hand, only hides data that doesn’t match a condition.
28. In MS Office, Ctrl+G is a shortcut to:
A) Open the Find and Replace dialog box with the Go To tab active ✅
B) Save the file
C) Print the document
D) Insert a table
Answer: A) Open the Find and Replace dialog box with the Go To tab active.
Ctrl+G opens the Go To feature, which lets you jump quickly to a specific page, line, or cell. It saves time in long documents and large worksheets. Saving is Ctrl+S, and printing is Ctrl+P.
29. A red wavy line under text indicates:
A) Grammar mistakes
B) Spelling mistakes ✅
C) Bold text
D) Hyperlink
Answer: B) Spelling mistakes
MS Word marks possible spelling errors with a red wavy underline. You can right-click the word to see suggested corrections. Grammar issues are usually shown with a blue or green wavy line instead.
30. Which operation will you perform to move a block of text in MS Word?
A) Copy and Paste
B) Undo and Redo
C) Cut and Paste ✅
D) Find and Replace
Answer: C) Cut and Paste
Cut removes the selected text from its original place and stores it temporarily in the clipboard. Paste then puts it in the new location. With Copy and Paste, the original text would remain in its old place, so it would be duplicated, not moved.
31. PowerPoint is called:
A) Spreadsheet software
B) Database software
C) Operating system
D) Presentation software ✅
Answer: D) Presentation software
PowerPoint is used to create and display slide shows containing text, images, charts, and animations. It is widely used in classrooms, offices, and meetings. Spreadsheet work is done in Excel and databases in Access.
32. The ability to read or write each piece of information in a storage device in approximately the same length of time regardless of its location is:
A) Random Access ✅
B) Sequential Access
C) Serial Access
D) Indexed Access
Answer: A) Random Access
In random access, any location can be reached directly in about the same amount of time. RAM is the best-known example of this. In sequential access (like magnetic tape), the system must pass through earlier data to reach a particular location.
33. Procedural languages were used in which generation of computers?
A) First
B) Third ✅
C) Second
D) Fifth
Answer: B) Third
Procedural languages specify a step-by-step sequence of instructions to perform a task. Examples include FORTRAN, COBOL, and C. FORTRAN and COBOL were developed in the 1950s, while C arrived in the early 1970s, and these languages are commonly associated with third-generation computers.
34. In MS Word, the Ctrl + Page Down shortcut is used to?
A) Move to the end of the line
B) Delete a page
C) Move to the next page ✅
D) Insert a page break.
Answer: C) Move to the next page.
In MS Word, Ctrl + Page Down moves the insertion point to the beginning of the next page or the next browse location, depending on the navigation setting. It is a quick way to move through long documents without scrolling. A page break is inserted with Ctrl + Enter.
35. The button used to reload a page in an internet browser is:
A) Back
B) Home
C) Bookmark
D) Reload ✅
Answer: D) Reload
The Reload (or Refresh) button loads the current web page again from the server. It is useful when a page is not loading properly, or you want to see the latest content. The shortcut key for it is usually F5.
36. Which of the following software is used to prepare a presentation?
A) MS PowerPoint ✅
B) MS Excel
C) MS Access
D) MS Paint
Answer: A) MS PowerPoint
MS PowerPoint is the Microsoft program designed for making slide presentations. Excel is used for spreadsheets, Access for databases, and Paint for simple drawing. Each program in the Office suite has its own specific purpose.
37. ______ provides a path to transfer data between CPU and memory.
A) Power Bus
B) Data Bus ✅
C) Cache
D) Monitor
Answer: B) Data Bus
The data bus is a set of wires that carries data between the CPU, memory and other components. The wider the data bus, the more data can be transferred at one time. Cache is a small, fast memory, not a transfer path, and a monitor is only an output device
38. Which shortcut key is used to undo the last action in a document?
A) Ctrl+Y
B) Ctrl+X
C) Ctrl+Z ✅
D) Ctrl+V
Answer: C) Ctrl+Z
Ctrl+Z reverses the last action you performed, such as typing or deleting text. Ctrl+Y does the opposite and redoes the undone action. Ctrl+X is Cut and Ctrl+V is Paste.
39. To delete the selected text, press:
A) Insert
B) Home
C) Tab
D) Delete ✅
Answer: D) Delete
Pressing the Delete key removes the selected text from the document. The Backspace key also deletes the selected text. The Insert key only switches between insert and overtype mode, and Home moves the cursor to the start of the line.
40. Which of the following is not a valid data type in Excel?
A) Character ✅
B) Number
C) Date
D) Text
Answer: A) Character
In Microsoft Excel, the common cell value types are numbers, dates and text. “Character” is not listed as a separate Excel data type. Even a single character typed in a cell is treated as text.
41. To send audio, video, and text, we use:
A) Calculator
B) Email ✅
C) Notepad
D) Paint
Answer: B) Email
Email can carry typed messages along with audio, video, images, and documents as attachments. It is one of the most common ways to send files over the internet. Calculator, Notepad, and Paint cannot send any data to other people.
42. Which of the following is the page orientation used by default in MS Word while printing?
A) Landscape
B) Circular
C) Portrait ✅
D) Wide
Answer: C) Portrait
Portrait orientation, where the page is taller than it is wide, is the default in MS Word. Landscape (wider than tall) can be selected from the Layout tab when needed, for example, for wide tables. Circular and Wide are not page orientations.
43. Which program is run by BIOS to check that hardware components are working properly while the computer is turned on?
A) BOOT
B) SCAN
C) DISK
D) POST ✅
Answer: D) POST
POST stands for Power-On Self-Test, and it runs automatically when the computer is switched on. It checks hardware such as RAM, keyboard, and disk drives. If a problem is found, the computer usually shows an error message or gives beep codes.
44. Which one is not a function in MS Excel?
A) AVG ✅
B) SUM
C) AVERAGE
D) MAX
Answer: A) AVG
The correct Excel function for finding the mean of values is AVERAGE, not AVG. SUM adds numbers, and MAX returns the largest value in a range. Typing =AVG() in Excel gives a #NAME? error.
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FAQs—Computer solved past paper
1. What are computer solved past paper MCQs?
Computer solved past paper MCQs are multiple-choice questions with correct answers intended to help students and job applicants prepare for computer-related examinations.
2. Who can use these Computer solved past paper?
These Computer solved past paper MCQs are useful for students, job seekers, and candidates preparing for BPSC, FPSC, government job tests, entry tests, and other competitive examinations.
3. Which computer topics are covered in these MCQs?
The questions may cover computer fundamentals, hardware, software, memory, storage devices, operating systems, networking, the internet, MS Office, and other important computer topics.
4. Can I practice Computer MCQs online?
Yes, you can also practice computer-related questions through the Computer Online MCQs Test on QuettaJob.com.
5. Where can I find more solved Computer solved past paper?
Visit QuettaJob.com for more solved past papers, online MCQ tests, and study resources to help you prepare for competitive examinations.
