Which device of computer operation dispenses with the use of the keyboard?

A. Joystick

B. Light pen

C. Mouse

D. Touch

You can do it
  1. The computer that can input analog signals and return result in digital form
  2. The commonly used standard data code to represent alphabetical, numerical and punctuation characters…
  3. In which year was chip used inside the computer for the first time?
  4. The computer size was very large in
  5. UNIVAC is
  6. Computer professionals working in a computer centre are
  7. ________printer is the cheapest in terms of price and operating cost
  8. Microprocessors as switching devices are for which generation computers
  9. What is the date when Babbage conceived Analytical engine
  10. Which of the following is not an output device?
  11. Who built the first Mechanical Calculator?
  12. CAD stands for
  13. Which of the following printing devices an output composed of a series of data?
  14. What do you call the programs that are used to find out possible faults and their causes?
  15. Which of the following is related to fifth generation computers?
  16. The task of performing operations like arithmetic and logical operations is called
  17. Chief component of first generation computer was
  18. A ________ is an additional set of commands that the computer displays after you make a selection from…
  19. COBOL is widely used in application s
  20. The processing speed of first generation computers was
  21. It was in 2028 BS the was brought in to calculate census datA.
  22. The first generation of computers available was based on the bit micro processors.
  23. Which programming languages are classified as low level languages?
  24. ALU and Control Unit jointly known as
  25. Who invented Integrated Circuits?
  26. The ALU of a computer normally contains a number of high speed storage element called
  27. Which of the following produces the best quality graphics reproduction?
  28. Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and…
  29. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
  30. Which of the following memory medium is not used as main memory system?