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. What is the number of read-write heads in the drive for a 9- trac magnetic tape?
  2. Computers with 80286 microprocessor is
  3. The tracks on a disk which can be accessed without repositioning the R/W heads is
  4. ________is a combination of hardware and software that facilitates the sharing of information between…
  5. Which unit converts computer data into human readable form?
  6. Examples of output devices are
  7. A notation used to express clearly on algorithm is known as
  8. The term gigabyte refers to
  9. Slide Rules was invented in
  10. A set of rods where numbers were carved and used for multiplication and division aids is known as
  11. What is a compiler?
  12. Magnetic disk is an example of
  13. What does DMA stand for?
  14. Which of the following is not electro-mechanical computer?
  15. Word length of a Personal Computer is
  16. SMPS stands for
  17. What is System Analysis?
  18. Machine language is
  19. The ALU of a computer normally contains a number of high speed storage element called
  20. Which of the following is the largest manufacturer of Hard Disk Drives?
  21. Which language is directly understood by the computer without translation program?
  22. Which of the following storage device can store the largest amount of data?
  23. Which printer is very commonly used for desktop publishing?
  24. MICR stands for
  25. Personal computers used a number of chips mounted on a main circuit board. What is the common name for…
  26. What kind of memory is both static and non -volatile?
  27. A computer has very low failure rate because it uses electronic components. It produces very consistent…
  28. The first digital computer built with IC chips was known as
  29. What do you call the translator which takes assembly language program as input & produce machine language…
  30. What are the stages in the compilation process?