Commercial Data Processing 4

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble.

   bar codes      batch      character      character recognition      check      collection      document      ink      input      Interactive      kimball tags      latest      magnetic      mainframe      master      MICR      OCR      optical      output      paper tape      process      punched cards      range      reader      sorted      storage      transaction      turnaround      updated   
1. Commercial Data Processing involves large amounts of data being processed by a computer.

2. The six main stages of data processing are
a)
b) preparation
c)
d)
e)
f)

3. Four examples of indirect data input are
a)
b)
c)
d) key-to-disk

4.Five examples of direct data input are
a)
b) magnetic stripe
c)
d)
e)

5. An (OCR for short) can recognise characters on a page and read them into a computer.

6. The numbers along the bottom of a bank cheque are printed in magnetic ink and can be read by a (or MICR for short).

7. A document which is an output from one process and then an input to another process is called a .

8. Two ways of error-checking data is to append a digit or to carry out a check.

9. The file contains the version of a company's data, and should be at the end of each day using the transaction file.

10. The file must be before it is merged into the master file

11. Collecting all the different data and processing it in one set is called processing.

12. processing is when data is processed as soon as it is entered.