46. Which of the following is not one of the three primary functions that on-line direct-access systems can serve?

A. inquiry
B. backup
C. update
D. programming
E. None of the above

47. How many bits can be stored in the 8K RAM?

A. 8000
B. 8192
C. 4000
D. 4096
E. None of the above

48. A code which uses more bits for each character then what is necessary is known as

A. Hollerith code
B. Gray code
C. Redundant code
D. Mnemonics
E. None of the above

49. Point out the odd item amongst the following

A. Computer mouse
B. Touchpad
C. Light pen
D. Printer
E. None of the above

50. Access time in a computer memory is the time required to

A. Locate the stored data
B. Retrieve the stored data
C. Both locate and retrieve the data
D. All of the above
E. None of the above