Q11. Which keyboard is available to help the visually impaired for entering data into a computer?
Q12. Data entered through input device is temporarily stored in ______________
Q13. Which of the following is a type of printer?
Q14. Which of the following is latest in printer?
Q15. Which of the following is used to make replica of objects?
Q16. Which of the following output device create the hardcopy of document?
Q17. A punched card is a piece of stiff paper that stores digital data in the form of _________
Q18. Who invented a mechanical calculator known as Pascal calculator?
Q19. ________ was a mechanical device capable of doing simple arithmetic calculations only.
Q20. The size of computer drastically reduced because of _________