Data 01

1. Data is .......

   • a character in a science fiction tv series
   • letters, numbers or characters with meaning
   • letters, numbers or characters with no meaning
   • stored numbers

2. A storage location contains the digits - 31122012.

   • This might be a piece of data
   • This is a date
   • This is certainly a piece of information
   • None of these

3. Data is stored by computers in locations called .......

   • bikes
   • binaries
   • bytes
   • byttes

4. Computers use binary code to store data because .......

   • binary code is more reliable
   • binary code is much faster
   • binary code takes up less space
   • electronic circuits can only be 'on' or 'off'

5. In most computers how many 'bits' make up a 'byte'?

   • 8
   • 9
   • 32
   • 36

6. Which is not a measure of storage size?

   • Megabyte
   • Gigabyte
   • Terabyte
   • Kilabyte

7. Data enters a computer .......

   • before processing but after the entry stage
   • during the entry stage
   • during the input stage
   • during the processing stage

8. Data entered should be 'validated'. This means .......

   • it should be checked to make sure it contains no errors
   • it should be checked to make sure it is correct
   • it should be checked to make sure it is sensible
   • it should be entered in small batches

9. Data entered should be 'verified'. This means .......

   • it should be checked for viruses
   • it should be checked to make sure it is completely accurate
   • it should be checked to make sure it is entered correctly
   • it should be checked to make sure it is reasonable

10. Which is not a means of entering data into a computer?

    • Bar-code reader
    • Keyboard
    • Monitor
    • Scanner

Quiz written by D. Daish