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Technology & Computer Awareness Important Points All Exams

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Computer-Awareness
Technology & Computer Awareness Important Points All Exams

Technology & Computer Awareness Important Points All Exams









Computer-Awareness


  1. American Institute of Electrical Engineers (AIEE) founded? – 1880s
  2. “OS” stands for– Operating System
  3. the first transatlantic radio broadcast occur? – 1900s
  4. ‘.MOV’ extension refers usually to what kind of file? – Animation/movie file
  5. Which is a type of Electrically-Erasable Programmable Read-Only Memory? – Flash
  6. The purpose of choke in tube light is ? – To increase the voltage momentarily
  7. ‘.MPG’ extension refers usually to what kind of file? – Animation/movie file
  8. Who developed Yahoo? – David Filo & Jerry Yang
  9. VHS stands for…? – Video Home System
  10. VVVF stand for? – Variable Voltage Variable Frequency
  11. What frequency range is the High Frequency band? – 3 to 30 MHz


  12. The first step to getting output from a laser is to excite an active medium. What is this process called? – Pumping
  13. What is the relationship between resistivity r and conductivity s? – R = 1/s
  14. Which motor is NOT suitable for use as a DC machine? – Squirrel cage motor
  15. What does the term PLC stand for? – Programmable Logic Controller
  16. ‘DB’ computer abbreviation usually means ? – Database
  17. ‘.INI’ extension refers usually to what kind of file? – Systemfile
  18. The sampling rate, (how many samples per second are stored) for a CD is…? 44.1 kHz
  19. Who created Pretty Good Privacy (PGP)? Phil Zimmermann
  20. What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.?  WAN
  21. WAN stands for? – Wide Area Network
  22. Who co-founded Hotmail in 1996 and then sold the company to Microsoft? Sabeer Bhatia
  23. ‘.TMP’ extension refers usually to what kind of file? Temporary File
  24. In the United States the television broadcast standard is…? NTSC
  25. ‘.JPG’ extension refers usually to what kind of file? Image File
  26. What does AM mean? Amplitude modulation
  27. what year was the “@” chosen for its use in e-mail addresses? 1972
  28. ‘.TXT’ extension refers usually to what kind of file? Text File
  29. What was the first ARPANET message? “lo”
  30. “FET” is a type of transistor, Its full name is ________ Effect Transistor…? Field
  31. ‘DTP’ computer abbreviation usually means ? Desktop Publishing
  32. ‘CD’ computer abbreviation usually means ? Compact Disc
  33. ‘.BAK’ extension refers usually to what kind of file? Backup file
  34. Where is the headquarters of Intel located? Santa Clara, California
  35. Who co-created the UNIX operating system in 1969 with Dennis Ritchie? Ken Thompson


  36. Voltage is sometimes referred to as EMF, or Electromotive…? Force
  37. AM means? Amplitude modulation
  38. ‘.BAT’ extension refers usually to what kind of file? Systemfile
  39. What does EPROM stand for? Erasable Programmable Read Only Memory
  40. What was the active medium used in the first working laser ever constructed? A ruby rod

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Technology & Computer Awareness Important Points All Exams
Technology & Computer Awareness Important Points All Exams
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March 03, 2022


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