Top 50 computer questions IBPS RRB Exams

In the exam of IBPS RRB CLERK or PO, the computer section can give maximum marks with a little effort and with high accuracy. This section will discuss the top 50 computer questions expected to be asked in the IBPS RRB clerk or po examination this year.

top 50 computer questions asked in ibps rrb clerk po exams

Top 50 Computer Questions

  1. What is the basic unit of a computer’s memory?
  2. What does RAM stand for?
  3. What is the purpose of an operating system?
  4. What is a computer virus?
  5. Differentiate between software and hardware.
  6. What is the function of a motherboard in a computer?
  7. What is the role of a compiler in programming?
  8. What is the difference between LAN and WAN?
  9. Explain the concept of the binary number system.
  10. What is the function of an input device?
  11. Differentiate between primary and secondary memory.
  12. What is the purpose of a firewall?
  13. Define an IP address.
  14. What is the purpose of a modem in a computer network?
  15. Explain the difference between HTTP and HTTPS.
  16. What is the role of antivirus software?
  17. Define a database.
  18. What is the purpose of spreadsheet software?
  19. What is cloud computing?
  20. Explain the concept of data encryption.
  21. What is the function of a CPU in a computer?
  22. Differentiate between system software and application software.
  23. Define a network topology.
  24. What is the purpose of a router in a computer network?
  25. Explain the difference between a hub and a switch.
  26. What is a web browser?
  27. Define the term “phishing.”
  28. What is the purpose of cache memory in a computer?
  29. Differentiate between a bit and a byte.
  30. What is the role of an input device?
  31. Explain the concept of virtual memory.
  32. What is an algorithm?
  33. Define a computer network.
  34. What is the purpose of an output device?
  35. Differentiate between a CD and a DVD.
  36. What is the function of an operating system?
  37. Define the term “malware.”
  38. What is the purpose of a USB port?
  39. Explain the concept of file compression.
  40. What is the role of a compiler in programming?
  41. Define a spreadsheet.
  42. What is the purpose of an expansion slot in a computer?
  43. Differentiate between analog and digital signals.
  44. What is a computer network protocol?
  45. Explain the concept of data backup.
  46. What is the purpose of an output device?
  47. Define the term “encryption.”
  48. What is the role of a DNS server?
  49. Differentiate between synchronous and asynchronous communication.
  50. What is the purpose of an optical mouse?

Answers

QuestionAnswerExplanation
1.ByteThe byte is the basic unit of memory in a computer. It represents a group of 8 bits.
2.Random Access Memory (RAM)RAM is a type of computer memory that allows data to be read from and written to randomly, providing fast access to data.
3.To manage hardware resourcesThe operating system manages computer hardware resources, such as memory, processors, and input/output devices. It provides an interface for users to interact with the computer and runs applications.
4.Malicious software that can infect a computerA computer virus is a type of malicious software that can infect a computer and replicate itself. It can cause damage to data, disrupt system operations, and spread to other computers.
5.Software refers to programs and data, while hardware refers to physical components.Software refers to programs, applications, and data that can be executed on a computer, while hardware refers to the physical components of a computer system.
6.It provides a connection between all computer components.The motherboard is the main circuit board in a computer. It provides a connection between all computer components, including the processor, memory, storage devices, and input/output devices.
7.It converts high-level programming code into machine code.A compiler is a software tool that translates high-level programming code written by developers into machine code that can be executed by a computer.
8.LAN stands for Local Area Network, and WAN stands for Wide Area Network.LAN is a computer network that covers a small geographical area, while WAN covers a larger geographical area.
9.It is a base-2 number system.The binary number system uses only two digits, 0 and 1, to represent numbers.
10.It accepts data and instructions from the user.An input device is a peripheral device that allows users to enter data and instructions into a computer system.
11.Primary memory is volatile, while secondary memory is non-volatile.Primary memory (RAM) is volatile and stores data and instructions actively used by the computer, while secondary memory (e.g., hard disk drives) is non-volatile and stores data for long-term storage.
12.To protect the network from external threats.A firewall is a security device or software that monitors and controls incoming and outgoing network traffic, protecting the network from unauthorized access and external threats.
13.It is a unique numerical identifier assigned to each device on a network.An IP address is a unique numerical identifier assigned to each device connected to a network, allowing devices to communicate with each other over a network.
14.To connect multiple computers in a network.A router is a networking device that connects multiple computer networks together, forwarding data packets between networks and enabling communication between devices on different networks.
15.HTTP uses port 80, while HTTPS uses port 443.HTTP is a protocol used for transferring data over the internet, while HTTPS is a secure version of HTTP that uses encryption. They use different port numbers for communication.
16.To detect and remove malicious software.Antivirus software is designed to detect, prevent, and remove malicious software such as viruses, worms, and Trojans.
17.A structured collection of data stored electronically.A database is a structured collection of data that is organized and stored electronically. It allows for efficient storage, retrieval, and management of large amounts of data.
18.To perform mathematical calculations and analyze data.Spreadsheet software is used to organize, analyze, and manipulate numerical data, perform calculations, create charts and graphs, and generate reports.
19.The use of the internet to access and store data and run applications.Cloud computing refers to the use of remote servers connected through the internet to store, manage, and process data, as well as run applications.
20.The process of converting data into a different format for secure transmission.Data encryption is the process of converting data into a different format using encryption algorithms to protect it from unauthorized access during transmission or storage.
21.To display output from the computer.A monitor or display device is an output device that visually displays the processed information and results generated by the computer.
22.Central Processing UnitThe CPU, or Central Processing Unit, is the primary component of a computer that carries out instructions of a computer program by performing basic arithmetic, logical, control, and input/output (I/O) operations.
23.It protects the computer system from malicious software and unauthorized access.The Internet is a global network of interconnected computers, while the intranet is a private network within an organization.
24.It controls the execution of instructions and manages the flow of data within a computer system.The control unit is a component of the CPU that coordinates and controls the execution of instructions, manages the flow of data between various parts of the computer system, and ensures proper synchronization and timing of operations.
25.The Internet is a worldwide network of interconnected computers that allows communication and information sharing on a global scale. In contrast, an intranet is a private network that is limited to a specific organization and is used for internal communication and collaboration.An input device is a peripheral device used to provide data and instructions to a computer system. It allows users to input data or commands into the computer for processing. Examples include a keyboard, mouse, scanner, and microphone.
26.To convert digital signals to analog signals and vice versa for communication over telephone lines.A modem (modulator-demodulator) is a device that converts digital signals from a computer into analog signals that can be transmitted over telephone lines, and vice versa. It enables communication between computers over long-distance telephone lines.
27.It is the software that manages computer hardware and software resources and provides common services for computer programs.An operating system (OS) is system software that manages computer hardware and software resources, provides common services for computer programs, and facilitates the execution of applications. Examples include Windows, macOS, and Linux.
28.It is a small, portable storage device used for storing and transferring data.A USB flash drive, also known as a thumb drive or a pen drive, is a small, portable storage device that uses flash memory to store and transfer data between computers. It is connected to a computer via a USB port.
29.It is a code that identifies a specific web page on the internet.A URL (Uniform Resource Locator) is a web address that identifies the location of a specific web page or resource on the internet. It consists of a protocol (e.g., http:// or https://), domain name, and optional path or query parameters.
30.To provide data and instructions to the computer.It is software that enables communication and interaction between a user and a computer.
31.A website is a collection of web pages and related content that are hosted on a web server and accessed through the Internet. It can contain text, images, videos, and interactive elements, and it is accessed using a web browser.An application software, or simply an application, is a computer program designed to perform specific tasks or functions for users. It enables users to interact with the computer and accomplish various tasks, such as word processing, photo editing, or web browsing.
32.It is a network of computers that are geographically close to each other, typically within the same building or campus.A local area network (LAN) is a network of computers and other devices that are interconnected and geographically close to each other, such as within the same building or campus. It allows for the sharing of resources and data between connected devices.
33.It is a type of malware that can spread and replicate itself without user intervention.A worm is a type of malware that can replicate itself and spread across networks without any user intervention or the need to attach itself to an existing program or file. It can cause network congestion and disruption.
34.It is a collection of interconnected web pages and related content that are accessed through the internet.A digital-to-analogue converter (DAC) is a device that converts digital signals into analog signals, and an analog-to-digital converter (ADC) is a device that converts analog signals into digital signals. They enable communication between digital devices and analog devices.
35.To prevent unauthorized access to a computer network or system.Network security involves implementing measures to protect computer networks and systems from unauthorized access, data breaches, and other security threats. It includes measures such as firewalls, encryption, access control, and intrusion detection systems.
36.It is a temporary storage area that stores data that is copied from the main memory for faster access.Cache memory is a small and fast memory storage area located closer to the CPU. It stores frequently accessed data and instructions to provide faster access than the main memory, improving the overall performance of the computer system.
37.To convert analog signals to digital signals and vice versa for communication between digital devices and analog devices.It is a communication protocol used to send and receive email over the Internet.
38.It is a protocol that allows files to be transferred between computers over a network.The File Transfer Protocol (FTP) is a standard network protocol used for transferring files between computers over a network. It allows users to upload, download, and manage files on remote servers.
39.It is a compression algorithm used to reduce the size of data files.The ZIP compression algorithm is commonly used to compress data files, reducing their size for storage or transmission. It creates a compressed file that can be decompressed and restored to its original form when needed.
40.It is a technique that uses secondary storage as an extension of RAM.Virtual memory is a memory management technique that allows the computer to use secondary storage (usually the hard disk) as an extension of RAM (physical memory). It allows the computer to run more programs simultaneously than it could with physical memory alone by swapping data between RAM and the hard disk when necessary.
41.It is a type of network topology where each device is connected to a central hub or switch.A star topology is a network configuration in which each device is connected to a central hub or switch. All communication between devices passes through the central hub, which facilitates easy management and troubleshooting.
42.The Simple Mail Transfer Protocol (SMTP) is a standard communication protocol used for sending and receiving email messages over the Internet. It defines how email is transmitted and delivered between mail servers.JavaScript is a programming language commonly used for creating dynamic web pages and adding interactivity to websites. It runs on the client side, enabling actions and behaviours to be performed within the web browser.
43.It is a graphical representation of a user interface that allows users to interact with a computer or software application.A graphical user interface (GUI) is a visual interface that allows users to interact with a computer or software application using graphical elements such as windows, icons, menus, and buttons. It provides a more user-friendly and intuitive way of interacting with computers compared to command-line interfaces.
44.It is a high-speed network technology used to connect computers and other devices within a limited area.Ethernet is a widely used network technology that provides high-speed communication and networking capabilities within a limited area, such as a local area network (LAN). It defines the physical and data link layers of the network protocol stack.
45.It is a program or code that replicates itself by modifying other programs or files.A computer worm is a type of malicious software that replicates itself by modifying other programs or files, spreading across networks and computers without user intervention. It can cause network congestion and disruption.
46.It is a storage device that uses optical discs to store and retrieve data.An optical drive is a storage device that uses optical discs, such as CDs, DVDs, or Blu-ray discs, to store and retrieve data. It uses lasers to read and write data on the discs.
47.It is a programming language commonly used for creating dynamic web pages.Word processing software is an application software that allows users to create, edit, and format text-based documents. It provides tools for text formatting, spell-checking, document organization, and other features to facilitate document creation and editing.
48.It is a type of software that allows users to create, edit, and format documents.The Internet Protocol (IP) is a network protocol that provides the addressing and routing mechanism for computers to communicate over a local network or the Internet. It defines how data packets are addressed, routed, and transmitted between devices.
49.It is a network protocol that allows computers to communicate over a local network.The Internet Protocol (IP) is a network protocol that provides the addressing and routing mechanism for computers to communicate over a local network or the internet. It defines how data packets are addressed, routed, and transmitted between devices.
50.It is a type of software used to design, develop, and maintain websites.Web development software, also known as web authoring software, is used to design, develop, and maintain websites. It provides tools and features for creating web pages, managing content, and implementing interactive elements such as forms and multimedia.
table showing answers to all TOP 50 questions.

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