6. Conversion of an octal number 20₈ to its binary number is

A. 10000₂
B. 10111₂
C. 10110₂
D. 11110₂
E. None of the above

7. Which of the following is a system programming language for micro-computers in the Intel family.

A. LOGO
B. SNOBOL
C. PCM
D. PL/1
E. None of the above

8. Which of the following can be output by a computer?

A. graphics
B. voice
C. text
D. computer-usable data or information
E. All of the above

9. Sequential file organization is most appropriate for which of the following applications?

A. grocery-store checkout
B. bank checking accounts
C. payroll
D. airline reservations
E. None of the above

10. Who is called the “grand father” of the computer?

A. Blaise Pascal
B. Charles Babbage
C. Joseph Jacquard
D. Dr. Herman Hollerith
E. None of the above