Computer Knowledge

326. The three colors of the pixel of color monitors are—

  • ক. Red, green and yellow
  • খ. Red, green and blue
  • গ. Red, green and black
  • ঘ. Yellow, green and blue

উত্তরঃ Red, green and blue

বিস্তারিত

327. Which one of the following is the fastest data transmission media?

  • ক. Twisted pair cable
  • খ. Coaxial cable
  • গ. Cat-5
  • ঘ. Fiber optic cable

উত্তরঃ Fiber optic cable

বিস্তারিত

329. Which of the following represents examples of an IT input device, output device and storage device respectively?

  • ক. Bar code reader, CD drive, projector
  • খ. Keyboard, monitor, hard disc
  • গ. Printer, DVD drive, joystick
  • ঘ. Printer, mouse, monitor

উত্তরঃ Keyboard, monitor, hard disc

বিস্তারিত

330. What function does F1 stand for in most computers?

  • ক. Help
  • খ. Save
  • গ. Save as
  • ঘ. Cut-paste

উত্তরঃ Help

বিস্তারিত

331. Unsolicited commercial e-mail is commonly known as—

  • ক. Junk
  • খ. Hoaxes
  • গ. Spam
  • ঘ. Hypertext

উত্তরঃ Spam

বিস্তারিত

332. Chips are made up of millions of tiny parts/switches known as—

  • ক. Etches
  • খ. Transistors
  • গ. Chargers
  • ঘ. Electrons

উত্তরঃ Transistors

বিস্তারিত

333. What is the unit of measurement for drive access time?

  • ক. Nanoseconds
  • খ. Seconds
  • গ. Microseconds
  • ঘ. Picoseconds

উত্তরঃ Seconds

বিস্তারিত

334. What is the best way to protect your hard drive data?

  • ক. Regular backups
  • খ. Periodically defragment it
  • গ. Run scandisk at least once a weak
  • ঘ. None of the above

উত্তরঃ Regular backups

বিস্তারিত

335. Physical components of a computer are called--

  • ক. Software
  • খ. Hardware
  • গ. Malware
  • ঘ. Terminals

উত্তরঃ Hardware

বিস্তারিত

336. In computer terms, what does 'cncryption of data' mean?

  • ক. Data cannot be sent over the internet
  • খ. Data is encoded so it cannot be read without decoding software
  • গ. Data is kept locked in special room
  • ঘ. None of the above

উত্তরঃ Data is encoded so it cannot be read without decoding software

বিস্তারিত

337. The volatile memory of the computer is known as:

  • ক. ROM
  • খ. BIOS
  • গ. RAM
  • ঘ. None

উত্তরঃ RAM

বিস্তারিত

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