Computer Past Paper Mcqs
1. Who is known as the father of computers?Charles BabbageAlan TuringBill Gates Tim Berners-LeeA) Charles BabbageThis is the explaination of this mcsqs
2. What does CPU stand for?Central Performance UnitCentral Processing UnitCentral Program UnitControl Processing UnitB) Central Processing UnitThis is the explaination of this mcsqs
3. The first mechanical computer was invented in which year?1801182219011945B) 1822This is the explaination of this mcsqs
4. What was the first programming language?CFORTRANAssemblyCOBOLB) FORTRANThis is the explaination of this mcsqs
5. What does RAM stand for?Read Access MemoryRandom Access MemoryRead All MemoryRandom All MemoryB) Random Access MemoryThis is the explaination of this mcsqs
6. Which of the following is not an operating system?WindowsLinuxOracle macOSC) OracleThis is the explaination of this mcsqs
7. The shortcut key for 'Cut' is:Ctrl + XCtrl + CCtrl + VCtrl + ZA) Ctrl + XThis is the explaination of this mcsqs
8. What does GUI stand for?Graphical User InterfaceGeneral Utility InterfaceGraphical Utility InterfaceGeneral User InterfaceA) Graphical User InterfaceThis is the explaination of this mcsqs
9. Which file extension is used for a Word document?.txt .docx.pptx .xlsxB) .docxThis is the explaination of this mcsqs
10. Which of the following is not an input device?Mouse Keyboard MonitorScannerC) MonitorThis is the explaination of this mcsqs
11. What does HTTP stand for?HyperText Transfer ProtocolHyper Terminal Transfer ProtocolHyperText Transport ProtocolHigh Transfer Text Protocol A) HyperText Transfer ProtocolThis is the explaination of this mcsqs
12. What does IP stand for in networking?Internet ProviderInternet ProtocolInternal ProtocolInternet ProgramB) Internet ProtocolThis is the explaination of this mcsqs
13. What is the default port number for HTTP?804432125 A) 80This is the explaination of this mcsqs
14. What is a firewall used for?Data EncryptionVirus ScanningNetwork SecurityFile ManagementC) Network SecurityThis is the explaination of this mcsqs
15. What does Wi-Fi stand for?Wireless FidelityWireless FileWide Fidelity Wide FrequencyA) Wireless FidelityThis is the explaination of this mcsqs
16. Which of the following is a programming language?HTMLHTTPPythonFTPC) PythonThis is the explaination of this mcsqs
17. SQL is used for:Web DesigningDatabase ManagementGraphics DesignOperating System FunctionsB) Database ManagementThis is the explaination of this mcsqs
18. What does HTML stand for?HyperText Markup LanguageHighText Machine LanguageHyper Transfer Markup LanguageHigh Transfer Markup LanguageA) HyperText Markup LanguageThis is the explaination of this mcsqs
19. In programming, 'loop' refers to:Repeating a set of instructionsTerminating a programDebugging a code Exiting a function A) Repeating a set of instructionsThis is the explaination of this mcsqs
20. What does IDE stand for in programming?Integrated Development EnvironmentInternal Development Engine Integrated Data EmulatorInternal Data EnvironmentA) Integrated Development EnvironmentThis is the explaination of this mcsqs
Which device is used to process data?CPURAMHard DriveMonitorA) CPUThis is the explaination of this mcsqs
22. What type of device is a hard disk?Input DeviceOutput DeviceStorage DeviceProcessing DeviceC) Storage DeviceThis is the explaination of this mcsqs
23. What does SSD stand for?Solid-State DriveSuper Storage DiskSimple Storage Device Standard Storage Device A) Solid-State DriveThis is the explaination of this mcsqs
24. The resolution of a monitor is measured in:InchesPixelsBitsBytesB) PixelsThis is the explaination of this mcsqs
25. Which unit measures the processing speed of a CPU?Bits per secondGigahertzMegabytesPixelsB) GigahertzThis is the explaination of this mcsqs
26. What does VPN stand for?Virtual Private NetworkVariable Protocol NetworkVirtual Public NetworkVerified Private NetworkA) Virtual Private NetworkThis is the explaination of this mcsqs
27. Which of these is a type of malware?FirewallAntivirusTrojan Horse RouterC) Trojan HorseThis is the explaination of this mcsqs
28. What is phishing?A type of virusAn email scam to steal sensitive informationNetwork encryptionData backup processB) An email scam to steal sensitive informationThis is the explaination of this mcsqs
29. What does two-factor authentication require?Two passwordsA password and another verification stepTwo email IDsTwo devices B) A password and another verification stepThis is the explaination of this mcsqs
30. Which of the following is not a strong password?qwerty123T3$h%P9@2Xy7!kZ2#P@55w0rd!A) qwerty123This is the explaination of this mcsqs
31. What is AI short for in technology?Automated IntelligenceArtificial Intelligence Advanced InterfaceApplied InformationB) Artificial IntelligenceThis is the explaination of this mcsqs
32. A blockchain is primarily used for:Video StreamingCryptocurrency transactionsNetwork SecurityCloud Computing B) Cryptocurrency transactionsThis is the explaination of this mcsqs
33. What does IoT stand for?Internet of ThingsInternal Operating TechnologyIntegrated Output TechnologyInternational Online TransferA) Internet of ThingsThis is the explaination of this mcsqs
34. What is cloud computing?Using online services for storage and computingA weather prediction toolA hardware device for networkingA programming languageA) Using online services for storage and computingThis is the explaination of this mcsqs
35. What is the main purpose of an operating system?Perform calculationsManage hardware and softwareCreate documentsDesign websitesB) Manage hardware and softwareThis is the explaination of this mcsqs
36. Who founded Microsoft? Steve JobsBill Gates Elon MuskLarry PageB) Bill GatesThis is the explaination of this mcsqs
37. Who invented the World Wide Web?Charles BabbageTim Berners-LeeAlan TuringBill GatesB) Tim Berners-LeeThis is the explaination of this mcsqs
38. What is the full form of PDF?Portable Document Format Public Document FileProtected Data FormatPrintable Data FileA) Portable Document FormatThis is the explaination of this mcsqs
39. A kilobyte (KB) equals:1000 bytes 1024 bytes512 bytes2048 bytesB) 1024 bytesThis is the explaination of this mcsqs
40. In Excel, what does SUM() function do?Subtract numbersMultiply numbersAdd numbersDivide numbers C) Add numbersThis is the explaination of this mcsqs
41. Shortcut for 'Select All' is: Ctrl + A Ctrl + SAlt + AShift + AA) Ctrl + AThis is the explaination of this mcsqs
42. Which of the following is an example of an open-source operating system?WindowsmacOSLinux iOSC) LinuxThis is the explaination of this mcsqs
43. ASCII stands for:American Standard Code for Information InterchangeAutomated System Code for Information InterfaceApplication System for computing interfaceApplication System for Computing InterfaceA) American Standard Code for Information InterchangeThis is the explaination of this mcsqs
44. Which of the following is not a web browser?ChromeFirefoxSafariMySQLD) MySQLThis is the explaination of this mcsqs
45. What is the default file extension for an Excel file? .docx.pptx.xlsx.txtC) .xlsxThis is the explaination of this mcsqs
46. The binary system uses which numbers?1-100-90 and 1 1-100C) 0 and 1This is the explaination of this mcsqs
47. How many bits are there in a byte?481632B) 8This is the explaination of this mcsqs
48. The shortcut key to redo an action is:Ctrl + Z Ctrl + Y Ctrl + Shift + ZB) Ctrl + YThis is the explaination of this mcsqs
49. The term 'bug' in programming refers to:A type of virusAn error in codeA hardware issueA security flawB) An error in codeThis is the explaination of this mcsqs
50. What is the primary function of an antivirus?Increase internet speedProtect against malwareOptimize RAM usageManage system driversB) Protect against malwareThis is the explaination of this mcsqs