Computer Science - Unit 1- Puzzle 1

123456789101112131415161718
Across
  1. 1. Convert into Denary(1 1 1 0 1 1 1 0)
  2. 2. the hexadecimal number....... is 20655 in the denary
  3. 5. 01001101 + 01101110 (Binary)Convert your answers to denary.
  4. 7. 1FF + 7F7(HexaDecimal)Convert your answers to denary.
  5. 8. number of pixels per column and per row on a monitor or television screen
  6. 9. 0 0 1 1 0 1 0 0 − 0 1 0 0 0 1 0 0, binary subtraction
  7. 10. number system uses the digits 0 to 9
  8. 11. number of bits used to represent the colours in a pixel
  9. 13. allows characters in a code form to represent all languages of the world
  10. 14. 1............is equavalnt to 1024 bytes
  11. 17. each binary digit is reversed and 1 is added in right-most position
  12. 18. smallest picture element that makes up an image
Down
  1. 1. 144(denary) into Binary
  2. 3. ...........binary digits are equivalent to each hexadecimal digit
  3. 4. denary number ............ would be 0100011100101001 in BCD format.
  4. 5. The integer −53 in two’s complement form.
  5. 6. system that uses 4 bits to represent each denary digit.
  6. 12. binary digits are known as.......
  7. 15. number system allows only two values, 0 and 1.
  8. 16. The standard ................. code character set consists of 7-bit codes