Computer Operator PSC Exam

 Computer Operator PSC Exam questions on computer fundamentals, perfect for aspiring Computer Operators. Get ready to excel!

1. Question: What is a digital signature? Answer: A cryptographic technique used to verify the authenticity and integrity of digital documents or messages.
2. Question: What is a web browser? Answer: Software that allows users to access and interact with content on the World Wide Web.
3. Question: What is a system clock? Answer: The internal clock in a computer that synchronizes and regulates various operations.
4. Question: What is a user interface? Answer: The point of interaction between a user and a computer system, including visual elements and controls.
5. Question: What is a root directory? Answer: The main or top-level directory in a file system that contains all other directories and files.
6. Question: What is a LAN (Local Area Network)? Answer: A network that connects devices within a limited geographic area, such as a home, office, or campus.
7. Question: What is a spreadsheet software? Answer: An application used for creating and managing data in tabular form, often used for calculations and data analysis.
8. Question: What is a modem? Answer: A device that modulates and demodulates digital signals to enable data transmission over telephone or cable lines.
9. Question: What is a compiler? Answer: A program that translates human-readable programming code into machine-executable code.
10. Question: What is a virus scanner? Answer: Software designed to detect and remove computer viruses and other malicious software.
11. Question: What is a network protocol? Answer: A set of rules governing communication and data exchange between devices on a network.
12. Question: What is a pixel density? Answer: The number of pixels per unit area on a display screen, often measured in pixels per inch (PPI).
13. Question: What is a file compression? Answer: The process of reducing the size of a file to save storage space and facilitate faster file transfer.
14. Question: What is a URL? Answer: A Uniform Resource Locator, a web address used to identify a specific resource on the internet.
15. Question: What is a software license agreement? Answer: A legal contract outlining the terms and conditions under which software can be used.
16. Question: What is a cursor? Answer: A movable indicator on a computer screen that shows the position where user input will be inserted.
17. Question: What is an input device? Answer: A hardware component that allows users to provide data and commands to a computer, such as a keyboard or mouse.
18. Question: What is a backup strategy? Answer: A plan outlining how data will be regularly backed up to prevent data loss in case of hardware failure or other issues.
19. Question: What is a software update? Answer: A release of new code or patches that improve or fix issues in an existing software application.
20. Question: What is a GUI (Graphical User Interface)? Answer: A visual interface that allows users to interact with software using graphical elements like icons and buttons.
21. Question: What is a QR code? Answer: Quick Response code, a two-dimensional barcode that stores data and can be scanned by a smartphone or camera.
22. Question: What is a bit rate? Answer: The number of bits transmitted or processed per unit of time, often measured in bits per second (bps).
23. Question: What is cloud synchronization? Answer: The process of maintaining consistent data across multiple devices or platforms using cloud storage.
24. Question: What is a software driver? Answer: Software that allows an operating system to communicate with and control hardware devices.
25. Question: What is a spreadsheet cell? Answer: The intersection of a row and a column in a spreadsheet, where data or formulas can be entered.
26. Question: What is a compiler? Answer: A program that translates high-level programming code into machine code for execution by a computer.
27. Question: What is a web server? Answer: A computer or software that stores and serves website content to users over the internet.
28. Question: What is a network router? Answer: A device that forwards data packets between different computer networks, enabling communication between devices.
29. Question: What is a CAPTCHA? Answer: A challenge-response test used to determine whether a user is human or automated software.
30. Question: What is a software development life cycle? Answer: The process of planning, creating, testing, and maintaining software applications through various stages.
31. Question: What is a graphical processing unit (GPU)? Answer: A specialized electronic circuit designed to accelerate image and video processing tasks.
32. Question: What is a macro virus? Answer: A type of malware that infects computer files by embedding itself within macros, often found in documents or spreadsheets.
33. Question: What is a BIOS? Answer: Basic Input/Output System, a firmware that initializes hardware components during computer startup.
34. Question: What is a plug-and-play device? Answer: A hardware component that can be connected to a computer and used immediately without requiring manual configuration.
35. Question: What is a cloud backup service? Answer: A service that allows users to store their data securely on remote servers over the internet.
36. Question: What is an API (Application Programming Interface)? Answer: A set of rules and protocols that allows different software applications to communicate with each other.
37. Question: What is a compiler? Answer: A program that translates source code written in a programming language into machine code that a computer can execute.
38. Question: What is a domain name? Answer: A human-readable name used to identify a specific location on the internet, often associated with an IP address.
39. Question: What is latency in networking? Answer: The delay or time it takes for data to travel between two points on a network.
40. Question: What is a malware scanner? Answer: Software designed to detect, remove, and prevent malicious software (malware) from infecting a computer.
41. Question: What is a compiler? Answer: A software tool that translates source code into machine code or intermediate code for execution.
42. Question: What is a byte? Answer: A unit of digital information composed of 8 bits, representing a character, number, or symbol.
43. Question: What is a server farm or data center? Answer: A facility that houses numerous servers and network equipment to provide computing resources and services.
44. Question: What is the role of a network router? Answer: A device that directs data traffic between different networks or segments, often used in home or office networks.
45. Question: What is a firewall? Answer: A security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
46. Question: What is a software patch? Answer: A piece of software designed to fix or improve a computer program by updating or correcting its code.
47. Question: What is a search engine? Answer: An online tool that indexes and searches for information on the internet, providing users with relevant results.
48. Question: What is an IP address? Answer: An Internet Protocol address, a numerical label assigned to each device connected to a computer network for identification.
49. Question: What is cloud storage? Answer: A service that allows users to store and access data over the internet, often provided by third-party providers.
50. Question: What is an ergonomic keyboard? Answer: A keyboard designed with a layout and keys that promote comfort and reduce strain during extended use.
51. Question: What is a software bug? Answer: An error or flaw in a computer program that causes unexpected behavior or incorrect results.
52. Question: What is a wireless network? Answer: A network that connects devices without the need for physical cables, using technologies like Wi-Fi or Bluetooth.
53. Question: What is a URL? Answer: A Uniform Resource Locator, a web address that specifies the location of a resource on the internet.
54. Question: What is encryption key? Answer: A code or password used to encrypt and decrypt data to ensure secure communication and storage.
55. Question: What is virtual memory? Answer: A memory management technique that uses part of the computer’s storage as an extension of RAM, allowing larger programs to run.
56. Question: What is a computer worm? Answer: A self-replicating malware that spreads across computer networks without requiring user interaction.
57. Question: What is a backup and restore utility? Answer: Software that creates copies of important data files to prevent data loss and allows restoration in case of data corruption or system failure.
58. Question: What is a URL? Answer: A Uniform Resource Locator, a web address that specifies the location of a resource on the internet.
59. Question: What is cloud computing? Answer: The delivery of computing services, such as storage, processing power, and software, over the internet.
60. Question: What is a file format? Answer: A specific way of structuring and encoding data within a computer file, determining how the content is stored and displayed.
61. Question: What is binary code? Answer: A system of representing data using only two digits, 0 and 1.
62. Question: What is a peripheral device? Answer: A device that connects to a computer and extends its functionality, such as printers or scanners.
63. Question: What is an IP address? Answer: A numerical label assigned to each device connected to a computer network, used for identification and addressing.
64. Question: What is a cookie in web browsing? Answer: A small piece of data stored on a user’s computer by a website, often used to track user activities.
65. Question: What is a software license? Answer: A legal agreement that outlines how software can be used, distributed, and protected.
66. Question: What is a compiler? Answer: Software that translates high-level programming code into machine code that can be executed by a computer’s CPU.
67. Question: What is latency in computing? Answer: The time delay between initiating an action and seeing a result, often used in the context of network or memory performance.
68. Question: What is a BIOS? Answer: Basic Input/Output System, a firmware used to boot up a computer and manage hardware initialization.
69. Question: What is a pixel? Answer: The smallest unit of a digital image, capable of displaying a single color on a screen.
70. Question: What is a router? Answer: A networking device that forwards data packets between computer networks, often used to connect to the internet.
71. Question: What is a URL? Answer: Uniform Resource Locator, a reference to a web resource that specifies its location on the internet.
72. Question: What is open-source software? Answer: Software with its source code made available to the public, allowing anyone to view, modify, and distribute it.
73. Question: What is a compiler? Answer: Software that translates high-level programming code into machine code that can be executed by a computer’s CPU.
74. Question: What is a GUI? Answer: Graphical User Interface, a visual interface that allows users to interact with a computer through graphical elements like icons and windows.
75. Question: What is a server? Answer: A computer or software that provides services or resources to other computers, often over a network.
76. Question: What is a database management system (DBMS)? Answer: Software that allows users to create, manage, and manipulate databases for storing and retrieving information.
77. Question: What is a protocol? Answer: A set of rules governing how data is exchanged between devices on a network.
78. Question: What is cloud computing? Answer: The delivery of computing services, including storage, processing, and networking, over the internet.
79. Question: What is a firewall? Answer: Security software or hardware that monitors and controls incoming and outgoing network traffic.
80. Question: What is a malware? Answer: A broad term for any software specifically designed to harm, disrupt, or gain unauthorized access to computer systems.
81. Question: What is virtual reality (VR)? Answer: A computer-generated environment that simulates a real or imaginary world and allows users to interact with it.
82. Question: What is a cursor in a GUI? Answer: A visual indicator on a computer screen that shows the current position where user input will be received.
83. Question: What is a file system? Answer: A structure used by operating systems to organize and manage files and directories on storage devices.
84. Question: What is a network topology? Answer: The physical or logical arrangement of devices in a computer network.
85. Question: What is a macro in computing? Answer: A sequence of commands or instructions that can be recorded and played back to automate tasks.
86. Question: What is encryption? Answer: The process of converting data into a secure format to prevent unauthorized access.
87. Question: What is a URL? Answer: Uniform Resource Locator, a web address used to locate resources on the internet.
88. Question: What is a cache memory? Answer: A small, high-speed volatile memory that stores frequently accessed data for faster retrieval.
89. Question: What is a compiler? Answer: Software that translates human-readable programming code into machine code that a computer can execute.
90. Question: What is a network switch? Answer: A networking device that connects devices within a local area network (LAN) and forwards data between them
91. Question: What is binary code? Answer: A system of representing data using only two digits, 0 and 1.
92. Question: What is a peripheral device? Answer: A device that connects to a computer and extends its functionality, such as printers or scanners.
93. Question: What is an IP address? Answer: A numerical label assigned to each device connected to a computer network, used for identification and addressing.
94. Question: What is a cookie in web browsing? Answer: A small piece of data stored on a user’s computer by a website, often used to track user activities.
95. Question: What is a software license? Answer: A legal agreement that outlines how software can be used, distributed, and protected.
96. Question: What is a compiler? Answer: Software that translates high-level programming code into machine code that can be executed by a computer’s CPU.
97. Question: What is latency in computing? Answer: The time delay between initiating an action and seeing a result, often used in the context of network or memory performance.
98. Question: What is a BIOS? Answer: Basic Input/Output System, a firmware used to boot up a computer and manage hardware initialization.
99. Question: What is a pixel? Answer: The smallest unit of a digital image, capable of displaying a single color on a screen.
100. Question: What is a router? Answer: A networking device that forwards data packets between computer networks, often used to connect to the internet.
101. Question: What is a URL? Answer: Uniform Resource Locator, a reference to a web resource that specifies its location on the internet.
102. Question: What is open-source software? Answer: Software with its source code made available to the public, allowing anyone to view, modify, and distribute it.
103. Question: What is a compiler? Answer: Software that translates high-level programming code into machine code that can be executed by a computer’s CPU.
104. Question: What is a GUI? Answer: Graphical User Interface, a visual interface that allows users to interact with a computer through graphical elements like icons and windows.
105. Question: What is a server? Answer: A computer or software that provides services or resources to other computers, often over a network.
106. Question: What is a database management system (DBMS)? Answer: Software that allows users to create, manage, and manipulate databases for storing and retrieving information.
107. Question: What is a protocol? Answer: A set of rules governing how data is exchanged between devices on a network.
108. Question: What is cloud computing? Answer: The delivery of computing services, including storage, processing, and networking, over the internet.
109. Question: What is a firewall? Answer: Security software or hardware that monitors and controls incoming and outgoing network traffic.
110. Question: What is a malware? Answer: A broad term for any software specifically designed to harm, disrupt, or gain unauthorized access to computer systems.
111. Question: What is virtual reality (VR)? Answer: A computer-generated environment that simulates a real or imaginary world and allows users to interact with it.
112. Question: What is a cursor in a GUI? Answer: A visual indicator on a computer screen that shows the current position where user input will be received.
113. Question: What is a file system? Answer: A structure used by operating systems to organize and manage files and directories on storage devices.
114. Question: What is a network topology? Answer: The physical or logical arrangement of devices in a computer network.
115. Question: What is a macro in computing? Answer: A sequence of commands or instructions that can be recorded and played back to automate tasks.
116. Question: What is encryption? Answer: The process of converting data into a secure format to prevent unauthorized access.
117. Question: What is a URL? Answer: Uniform Resource Locator, a web address used to locate resources on the internet.
118. Question: What is a cache memory? Answer: A small, high-speed volatile memory that stores frequently accessed data for faster retrieval.
119. Question: What is a compiler? Answer: Software that translates human-readable programming code into machine code that a computer can execute.
120. Question: What is a network switch? Answer: A networking device that connects devices within a local area network (LAN) and forwards data between them