Johnstone High School
Standard Grade Computing
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Commercial Data Processing C
Chapter 13
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Across
1. The characters shown at the bottom of a cheque
3. A basic machine used to input information to a mainframe computer
8. A spare copy of a file
9. The last digit in a bar code is likely to be this kind of digit
11. Data given meaning and structure
12. Paying directly for goods as they are bought without using cash
14. Someone who illegally tries to gain access to a computer system
15. The hardware through which cards used in paying for goods electronically must be swiped
16. Accessing files only in the order in which they are originally stored
17. The OC in OCR [2 words]
18. The person who plans exactly how a computer system should be used within a company [2 words]
Down
2. The processing that updates a computer system almost immediately
4. CDP systems use these database to allow many processes to be carried out at the same time [2 words]
5. Making sure a person's age lies between certain limits is a method of data __________
6. Typing a password twice into a system is a method of data __________
7. A piece of hardware liekly to be used when using OCR software
10. The person who carries out maintenance on computer system
13. The most appropriate backing storage device used in an interactive system [2 words]
16. A card with its own processor
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