11. 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
E. None of the above

12. A type of channel used to connect a central processor and peripherals which uses multipling is known as

A. Modem
B. Network
C. Multiplexer
D. All of the above
E. None of the above

13. The first generation of computers available was based on the bit micro processors.

A. 4
B. 8
C. 16
D. 64
E. None of the above

14. The complete picture of data stored in database is known as

A. Record
B. Schema
C. System flowchart
D. DBMS
E. None of the above

15. Which of the following is intended to be used in all applications runs on mainframe computers.

A. LOGO
B. APL
C. PL/1
D. OCCAM
E. None of the above