1 Computer Knowledge 1 / 50 Which among these is a search engine? Windows Linux Google WhatsApp 2 / 50 Bluetooth technology is used for: Long-distance communication Short-distance wireless communication Satellite communication Internet browsing 3 / 50 Which of the following is volatile memory? RAM ROM Hard Disk Pen Drive 4 / 50 Which language is used for Artificial Intelligence? COBOL PROLOG FORTRAN BASIC 5 / 50 Which key is used to rename a file in Windows? F1 F2 F5 F12 6 / 50 Google Drive is an example of: Cloud storage Operating system Compiler Hardware 7 / 50 Which among the following is not an input device? Mouse Keyboard Monitor Microphone 8 / 50 What is the smallest unit of data in a computer? Byte Bit Word Nibble 9 / 50 Which device converts digital signals to analog for transmission over telephone lines? Router Switch Modem Hub 10 / 50 Which shortcut is used to copy in Windows? Ctrl + X Ctrl + C Ctrl + V Ctrl + Z 11 / 50 What does HTTP stand for? HyperText Transfer Protocol High Transfer Text Protocol Hyperlink Text Transmission Process Hyper Tool Transfer Protocol 12 / 50 The default extension of MS Excel file is: .xls .xlsx .doc .ppt 13 / 50 Which key is used to delete characters to the left of the cursor? Backspace Delete Insert End 14 / 50 The full form of ASCII is: American Standard Code for Information Interchange Advanced Standard Code for Internet Interchange American System Code for Internal Interchange None of these 15 / 50 The first mechanical computer was invented by: Charles Babbage Alan Turing John von Neumann Bill Gates 16 / 50 Which one is not an antivirus software? Avast Norton McAfee Photoshop 17 / 50 Phishing attack is related to: Fake emails/websites Computer hardware Memory size Software installation 18 / 50 Which of these is a strong password? 123456 password Qw!7$z@2025 abcdef 19 / 50 Firewall is used to: Store data Prevent unauthorized access Design webpages Manage printers 20 / 50 Which of the following is a computer virus? Trojan Horse Firefox Google Bing 21 / 50 Which of the following is a programming language? Python Windows MS Word Excel 22 / 50 Binary number system uses base: 2 8 10 16 23 / 50 HTML is used to: Create websites Design chips Manage databases Build operating systems 24 / 50 Which of the following is a database software? MS Excel Oracle Photoshop Notepad 25 / 50 SQL stands for: Structured Question Language Simple Query Language Structured Query Language Sequential Query Language 26 / 50 Which device is used to scan images and documents? Printer Scanner Monitor Keyboard 27 / 50 Which unit is used to measure memory size? Inch MB/GB Hertz Pixel 28 / 50 Which type of printer is the fastest? Dot Matrix Inkjet Laser Thermal 29 / 50 BIOS is stored in: Hard Disk RAM ROM Cache 30 / 50 Which of the following is not a storage device? Hard Disk CD Pen Drive Keyboard 31 / 50 In MS Excel, shortcut key for Autosum is: Alt + S Alt + = Ctrl + A Ctrl + Shift + S 32 / 50 In MS PowerPoint, Slide Show begins with which key? F1 F2 F5 F12 33 / 50 Which function key is used to refresh a page? F2 F5 F7 F12 34 / 50 In MS Excel, rows are identified by: Numbers Alphabets Symbols Both numbers and alphabets 35 / 50 The default file extension of MS Word is: .doc .docx .txt .pdf 36 / 50 The full form of Wi-Fi is: Wireless Fidelity Wide Fidelity Web File Wide File 37 / 50 Which of the following is not a web browser? Google Chrome Mozilla Firefox MS Excel Safari 38 / 50 Which protocol is used for email? HTTP SMTP FTP SNMP 39 / 50 IP address is used to identify: A network only A device on a network A website only None of the above 40 / 50 Full form of URL is: Uniform Resource Locator Uniform Reference Link Unified Resource Link Universal Reference Locator 41 / 50 The program which manages computer hardware is: Compiler Operating System Interpreter Application Software 42 / 50 Which of the following is open-source software? MS Office Adobe Photoshop LibreOffice CorelDraw 43 / 50 he first graphical operating system by Microsoft was: MS-DOS Windows 95 Windows 3.1 Windows XP 44 / 50 Linux is an example of: Application software Operating system Programming language Database 45 / 50 Which of the following is system software? MS Word Windows 10 Tally Photoshop 46 / 50 Which of the following is a primary memory? RAM Hard Disk CD-ROM Pen Drive 47 / 50 A collection of 8 bits is called: Word Nibble Byte Megabyte 48 / 50 Which of the following is not an output device? Printer Monitor Keyboard Speaker 49 / 50 The full form of CPU is: Central Processing Unit Central Programming Unit Control Processing Unit Central Peripheral Unit 50 / 50 Which of the following is the brain of the computer? RAM CPU MONITER Hard Disk Your score is LinkedIn Facebook Twitter VKontakte