26. In a computer system, which device is functionally opposite of a Key-board?

A. Mouse
B. Trackball
C. Printer
D. Joystick
E. None of the above

27. The first firm to mass-market a microcomputer as a personal computer was

A. IBM
B. Sperry Univac
C. Radio Shack
D. Data General Corporation
E. None of the above

28. The data appearing first in the left portion of punched card is

A. descriptive data
B. coded data
C. quantitative data
D. All of the above
E. None of the above

29. Which one of the following is termed a combination input-output device?

A. VDT
B. Keyboard
C. Printer
D. LaserJet
E. None of the above

30. The process of writing computer instructions in a programming language is known as

A. Coding
B. Processing
C. Programming
D. File
E. None of the above