Exams › IBPS PO › General Awareness › Computer Awareness
141 questions with worked solutions.
Q1. 'OS' computer abbreviation usually means what?
Answer: Operating System
OS is the standard abbreviation for Operating System. It is the main software that controls hardware resources and provides services for applications.
Q2. '.MOV' extension usually refers to what kind of file?
Answer: Animation/movie file
The .MOV extension is commonly used for movie or video files, especially associated with QuickTime. It is not an image, audio, or Office document format.
Q3. Which of the following is an example of a search engine?
Answer: Google
Google is a search engine used to search for information on the internet. Mozilla Firefox, Internet Explorer, and Opera Mini are web browsers, not search engines.
Q4. What is the full form of ISA?
Answer: Instruction Set Architecture
ISA stands for Instruction Set Architecture. It refers to the set of instructions that a processor can execute and the interface between hardware and software.
Q5. The full form of FORTRAN is
Answer: Formula Translation
FORTRAN is an acronym for Formula Translation. It was designed for scientific and engineering calculations, which is why the word 'formula' appears in its expansion.
Q6. In computers, MODEM stands for
Answer: Modulator Demodulator
A modem is a device used to modulate and demodulate signals. Hence, its full form is Modulator Demodulator.
Q7. Which of the following is not a search engine on the internet?
Answer: Nexus
Google and Microsoft Bing are well-known search engines, and Archie is one of the earliest search engines. Nexus is not a search engine. Hence, Nexus is the correct answer.
Q8. Which device primarily uses optical discs to store data?
Answer: Blu-ray
Blu-ray is an optical disc format used for storing data, video, and other digital content. The other options are solid-state or magnetic storage devices.
Q9. For checking the spelling and grammar of text, click on which tab?
Answer: Review tab
In MS Word, spelling and grammar checking is available under the Review tab. This tab contains proofreading tools such as spelling, grammar, thesaurus, and comments. Therefore, the correct answer is Review tab.
Q10. Name the type of memory that clears everything when the power of a computer is switched off.
Answer: Volatile memory
Volatile memory requires continuous power to retain data. When the computer is switched off, its contents are erased, unlike ROM or non-volatile storage.
Q11. In the TCP/IP model, which of the following is NOT a transport layer protocol?
Answer: BOOTP
UDP, SCTP, and TCP are transport layer protocols. BOOTP is a bootstrap protocol used for network configuration, so it does not belong to the transport layer.
Q12. Computers connected to a LAN can
Answer: Share information and/or share peripheral equipment
A LAN connects computers within a limited area so they can communicate and share resources. This includes sharing files, data, and peripheral devices like printers. Hence the correct option is the one about sharing information and equipment.
Q13. Which of the following shortcut key is used for center alignment in MS Word?
Answer: Ctrl + E
In MS Word, Ctrl + E is the shortcut for center alignment. The other options are for different functions such as bold, undo, or line spacing/formatting.
Q14. If I press Alt + Tab in Microsoft Windows, what will it do?
Answer: Switches between open applications
In Microsoft Windows, Alt + Tab is the standard shortcut for switching between open applications. It cycles through currently running windows. Therefore, the correct answer is Switches between open applications.
Q15. Which operating system is made by the famous Apple Inc. of the United States of America?
Answer: Mac
Apple Inc. is associated with the Macintosh line of computers and the macOS operating system. Among the given options, 'Mac' is the intended answer. Safari is a browser, Windows is by Microsoft, and UNIX is a family of operating systems.
Q16. Arrange the following in descending order of memory units: TB, KB, GB, MB.
Answer: TB > GB > MB > KB
In memory units, TB is the largest among the given options, followed by GB, then MB, and finally KB. So the descending order is TB > GB > MB > KB.
Q17. What is the function of the control unit in the CPU?
Answer: To decode program instructions
The control unit of the CPU directs and coordinates all operations. Its key role is to decode program instructions and control the execution sequence. It does not perform arithmetic/logic operations or store instructions.
Q18. Which of the following is the range of Class A public IPv4 addresses?
Answer: 0.0.0.0 to 127.255.255.255
In classful IPv4 addressing, Class A addresses have the first octet from 0 to 127. Therefore, the full range is 0.0.0.0 to 127.255.255.255. This is the standard Class A public IPv4 range asked in such questions.
Q19. Which of the following is termed as software of the computer and not hardware?
Answer: Operating system
An operating system is software that controls and manages computer hardware and resources. Monitor, keyboard, and hard drive are physical hardware components.
Q20. In Excel, which function is used to verify whether a specific data value is entered in a cell?
Answer: COUNTIF()
COUNTIF() is used to count cells that satisfy a given condition, so it can verify whether a particular value is present in a cell or range. ISBLANK() only checks emptiness, MATCH() returns a position, and ISNUMBER() checks numeric content.
Q21. The symbol "," is used in Microsoft Excel for which of the following purposes?
Answer: For separating cell references in formula
In Microsoft Excel, the comma is used to separate cell references or arguments in formulas. A range is created using a colon, not a comma. Hence the correct purpose is separating cell references in a formula.
Q22. Which of the following shortcut keys is used to insert a new slide in MS PowerPoint?
Answer: Ctrl + M
In MS PowerPoint, Ctrl + M inserts a new slide. Ctrl + N creates a new presentation, while Ctrl + C and Ctrl + V are copy and paste shortcuts.
Q23. A(n) _____ program provides access to web resources.
Answer: browser
A browser is the software program used to access, retrieve, and display web resources such as web pages. ISP is the internet service provider, and URL is the web address. Therefore, the correct answer is browser.
Q24. What is the shortcut for selecting all in MS Word?
Answer: Ctrl+A
In MS Word, Ctrl+A is the shortcut for Select All. The other options are used for different functions such as print, save, or formatting-related actions.
Q25. Which of the following is used to erase the magnetic field of a hard disk?
Answer: Degauss
Degaussing means removing or neutralizing a magnetic field. It is used to erase data from magnetic storage media such as hard disks by disrupting the magnetic alignment.
Q26. Which of the following is the latest version of Windows?
Answer: Windows 11
Windows 11 is the latest version among the given options. Windows Vista, Windows 8, and Windows 10 are older releases.
Q27. Red line in MS Word is used for?
Answer: Spelling Error
In MS Word, a red wavy underline typically indicates a spelling mistake. Grammar issues are usually marked with a different color, often green or blue depending on the version.
Q28. Which of the following is/are primary storage devices of a computer? a) RAM b) Cache memory c) CPU
Answer: a and b
RAM and cache memory are both forms of primary memory used for fast access by the processor. The CPU is not a storage device; it is the central processing unit. Therefore, the correct answer is a and b.
Q29. Which of the following is true about an interpreter?
Answer: It translates one instruction at a time
An interpreter translates and executes source code line by line or statement by statement. It does not save object code for future use, so the other options are incorrect.
Q30. The control panel is a part of the computer system.
Answer: Software
The Control Panel is a software utility used to configure system settings in a computer. It is not a hardware component.
Answer: Information
Raw data, when processed and organized, becomes information. Information is meaningful and useful, unlike raw data.
Answer: ENIAC
ENIAC is widely regarded as the first general-purpose electronic digital computer. The other options are not standard names of early computers. Therefore, ENIAC is correct.
Q33. LANs are located within small geographical boundaries ranging from
Answer: 100 m to 2 km
A LAN (Local Area Network) covers a small geographical area such as a building, office, or campus. Among the given options, 100 m to 2 km best matches this range.
Q34. What are two examples of freeware?
Answer: Instant messaging and the Google toolbar
Freeware refers to software that can be used without payment. Instant messaging software and the Google toolbar are examples of free applications. The other options include paid software, shareware, or non-software items.
Q35. What is the full form of URL?
Answer: Uniform Resource Locator
URL stands for Uniform Resource Locator. It is the standard term for the address used to locate a resource on the internet.
Q36. In MS Excel 2010, the shortcut key to apply or remove bold formatting is:
Answer: Ctrl+2
In MS Excel 2010, Ctrl+2 toggles bold formatting on selected text or cells. The other listed shortcuts are used for different formatting actions.
Q37. To delete any number of rows and columns in MS Excel, the shortcut key is:
Answer: Ctrl + -
In MS Excel, Ctrl + - opens the delete dialog for selected cells, rows, or columns. The other options are for cut, undo, or unrelated actions.
Q38. Which memory is non-volatile and may be written only once?
Answer: PROM
PROM stands for Programmable Read-Only Memory. It is non-volatile and can be programmed only once, after which its contents cannot be changed easily.
Q39. What is the full form of URL?
Answer: Uniform Resource Locator
URL stands for Uniform Resource Locator. It is the address used to identify the location of a resource on the internet.
Q40. What is the function of the F4 key in a spreadsheet?
Answer: repeat last action
In spreadsheet applications, F4 is commonly used to repeat the last action. It is also known for toggling absolute/relative references in formulas, but among the given options, repeating the last action is correct.
Q41. Which type of memory stores data currently being processed by the CPU?
Answer: RAM (Random Access Memory)
The memory that stores data and instructions currently being used by the CPU is RAM. Cache memory is faster and stores frequently used data, but the standard answer for active processing memory is RAM.
Q42. Flash memory is made up of
Answer: EEPROM
Flash memory is a form of EEPROM (Electrically Erasable Programmable ROM). Unlike traditional EEPROM that erases one byte at a time, flash memory erases in blocks, making it faster. SRAM is volatile static RAM; RDRAM is a type of DRAM; MROM is mask ROM (read-only, not erasable).
Q43. FTP stands for
Answer: File transfer protocol
FTP is a well-known internet protocol used to transfer files between computers over a network. Hence, the correct expansion is File Transfer Protocol.
Q44. Which of the following is application software?
Answer: Microsoft PowerPoint
Application software is designed to help users perform specific tasks. Microsoft PowerPoint is a presentation application, whereas Linux and Unix are operating systems and macros are not standalone application software.
Q45. ROM is an example of which of the following?
Answer: nonvolatile memory
ROM stands for Read Only Memory and retains its contents even when power is removed. Therefore, it is a nonvolatile memory.
Answer: Advanced Micro Designs
AMD is commonly known as Advanced Micro Devices, but that exact option is not present here. Given the provided options, the intended answer in the question key is Advanced Micro Designs.
Answer: Black
The question asks for the sixth color in the Cat6 cable color standard. Among the given options, black is the correct listed color.
Q48. To set a paragraph center align, we use:
Answer: Ctrl+E
In most word processors, Ctrl+E is the shortcut for center alignment. The other options correspond to justify, left align, and copy.
Q49. What is the logical address assigned to a PC, printer, router, etc. on a network?
Answer: IP address
An IP address is the logical address used to identify devices on a network. Hardware address refers to the MAC address, which is physical. Therefore, the correct answer is IP address.
Q50. What is the full form of HTTP?
Answer: Hypertext transfer protocol
HTTP stands for Hypertext Transfer Protocol. It is the standard protocol used for communication between web browsers and web servers.