1) Which of the following can damage data during transmission?.  a) Keyboard b) Power surge c) Printer d) Monitor 2) Physical parts of a computer such as keyboard and mouse are called __________ a) hardware b) software 3) A sudden increase in electrical voltage is called a __________________. a) interference b) surge 4) Which process keeps data safe while sending it over the internet? a) Decryption b) Hacking c) Encryption d) Downloading 5) Which of the following is an example of hardware? a) Windows b) MS Word c) Mouse d) Antivirus 6) Data can be affected during transmission due to radio wave_________________ a) crosstalk b) interference 7) Programs and instructions that tell a computer what to do are called __________ a) Encryption b) software c) commands 8) Crosstalk happens when cables are placed far apart. a) False b) True 9) Encryption makes data easy to read by everyone. a) True b) False 10) The process of changing encrypted data back to readable form is called __________. a) Decryption b) Hacking 11) Crosstalk usually occurs in a) Wireless networks b) storage devices c) cables placed close together d) operating system 12) Which of the following is an example of hardware? a) Windows  b) MS Word  c) Monitor d) Antivirus 13) Radio wave interference can affect wireless data transmission a) True b) False 14) Hacking is always legal and safe. a) False b) True 15) Application software helps users perform specific tasks a) True b) False 16) Which of the following is an application software? a) Windows b) Linux c) Device driver  d) MS paint 17) Which of the following is not application software? a) Powerpoint b) Payroll management c) Data compression d) MS access 18) Which of the following is system software ? a) Multimedia b) Operating system c) Roblox d) MS Excel 19) What is Windows mainly used for? a) Writing letters b) Controlling computer hardware and software c) Encrypting data d) Hacking systems 20) Which of the following is NOT system software? a) Windows b) Linux c) macOS d) MS Excel 21) Radio wave interference can affect wireless data transmission. a) False b) True 22) Windows is an operating system. a) True b) False 23) Decryption is done after encryption. a) False b) True 24) __________ happens when signals from nearby cables interfere with each other. a) Crosstalk b) interference 25) Which software controls the overall working of a computer? a) Application software b) System software c) Drawing software d) Game software

Class 6C - concept understanding

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