Codes consisting of light and dark marks which may be optically read is known as

A. Mnemonics

B. Bar code

C. Decoder

D. All of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. EPROM can be used for
  2. Which is the highest form?
  3. Who invented the high level language C?
  4. The Third Generation Computer was made with .
  5. When was the X window system born?
  6. Malicious software is known as:
  7. The list of coded instructions is called
  8. A program that converts computer data into some code system other than the normal one is known as
  9. Any type of storage that is used for holding information between steps in its processing is
  10. A register organized to allow to move left or right operations is called a
  11. What was the main disadvantage of vacuum tubes?
  12. Who is the inventor of ABC Computer?
  13. ENIAC uses
  14. The two major types of computer chips are
  15. The contribution of Konrad Zuse was long ignored because
  16. Which of the following IC was used in third generation of computers?
  17. A memory that does not change its contents without external causes is known as
  18. A compiler means
  19. Snowbol is an/a________
  20. Which is not a comptuer of first generation?
  21. Cathode Ray Tube is a form of________
  22. IBM System/360 is
  23. To produce high quality graphics (hardcopy) in color, you would want to use a/n
  24. Computer operators
  25. The ALU of a computer responds to the commands coming from
  26. Which of the following is not a class of computers based on size?
  27. The difference between people with access to computers and the Internet and those without this access…
  28. The digital computer was developed primarily in
  29. Todays computer giant IBM was earlier known by different name which was changes in 1924. What was that…
  30. A computer cannot 'boot' if it does not have the