An optical input device that interprets pencil marks on paper media is


B. Punch card reader

C. Optical scanners

D. Magnetic tape

You can do it
  1. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
  2. in which year was UK's premier computing event started?
  3. Mnemonic a memory trick is used in which of the following language?
  4. A digital computer did not score over an analog computer in terms of
  5. Magnetic disks are the most popular medium for
  6. The primary function of the ________ is to set up the hardware and load and start an operating system
  7. An integrated circuit is
  8. The original ASCII code used__bits of each byte, reserving that last bit for error checking
  9. The computer that process both analog and digital is called
  10. BCD is
  11. A characteristic of card systems is:
  12. Which of the following is internal memory?
  13. Which is the largest computer?
  14. A storage area used to store data to a compensate for the difference in speed at which the different…
  15. Which of the following storage device can store the largest amount of data?
  16. When was Apple Macintosh II microcomputer introduced in the market?
  17. Which generation of computer is still under development
  18. Which of the following device was not invented by Babbage?
  19. A term used to describe interconnected computer configuration is
  20. Which method is used to connect a remote computer?
  21. Light pen and joystick are________
  22. Which unit converts user data into machine readable form?
  23. RAM can be treated as the ________ for the computer's processor
  24. Computer operators
  25. Fifth generation computer is also known as
  26. Identify the true statement
  27. Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
  28. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the…
  29. What was the computer invented by Attanasoff and Clifford?
  30. EEPROM stands for