ROBERT DOBLER

CALCULATOR 


	A: 
	B: 
	C: 
	D: 


				RESULT:

Use an ordered list, and be sure each answer is identified with the correct question number.
  • The remaining questions will be answered on this paper. NOTE: Don't expect to answer all of these questions!
    If you answer most of them, and get most of those right, you will do well on this exam.

    QUESTIONS

    1. 7
    2. 9
    3. What is the highest digit used in "binary" numbers? 1
    4. What is the highest digit used in "decimal" numbers?
    5. What is the value of the highest digit in the base X number system?
    6. How many digits are used in the base X number system (for any positive integer X)?
    7. The rightmost digit of a number represents its value multiplied by the base raised to the ________ power.

      Convert each of the following four numbers to decimal, hexadecimal, octal, and binary.
      Also show the binary COMPLEMENT of the number, in binary, octal, and hexadecimal.

    8. The binary number 11011011 219 DB 333 36 44 24 00100100

    9. The octal number 476 100111110 13E 318 011000001 301 193 C1

    10. The hexadecimal number FF 11111111 377 255 FF 00000000

    11. The decimal number 255 00000000 377 FF 11111111

    12. Compute the COMPLEMENT of the following binary: 11011011 44 36 24
      What ASCII character is represented by this number (the COMPLEMENT of 11011011)? DB
    13. Perform the following binary addition: 11001 + 1110011 = 10001100
    14. Perform the following octal addition: 665 + 771 = 1656
    15. Perform the following hexadecimal addition: ABC + ABC = 1578
    16. Signed-magnitude has how many representations of zero?
    17. Second generation computers had memory made from _______________, tiny doughnut-shaped devices that could each store one bit of information.
    18. Why do some 8-bit memory boards have nine sets of bits?

    19. What is "SECDED"? standard acronym for single-error correction

    20. Computer __pdp-8_____________ is the collection of programs that provide the instructions that a computer carries out.

    21. How is "information" different from "data"? information is the part of data, data is a "thing"