Secondary or high School questions and answers-pscu studies

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1. Explain three methods used to detect input errors. (Answered)
Explain three methods used to detect input errors. .
Posted On:Thu 16, September 2021 07:43:20 am

2. Describe the following file organization methods: i) Sequential ii) Indexed sequential iii) Random. (Answered)
Describe the following file organization methods: i) Sequential ii) Indexed sequential iii) Random. .
Posted On:Thu 16, September 2021 07:42:29 am

3. Describe using examples the following computational errors. i) Overflow ii) Truncation iii) Rounding off. (Answered)
Describe using examples the following computational errors. i) Overflow ii) Truncation iii) Rounding off. .
Posted On:Thu 16, September 2021 07:41:07 am

4. Describe any stages of data collection. (Answered)
Describe any stages of data collection. .
Posted On:Thu 16, September 2021 07:40:06 am

5. List two qualities of good information. (Answered)
List two qualities of good information. .
Posted On:Thu 16, September 2021 07:39:16 am

6. Explain three common operations carried out on files. (Answered)
Explain three common operations carried out on files. .
Posted On:Thu 16, September 2021 07:38:13 am

7. List three file organization methods. (Answered)
List three file organization methods. .
Posted On:Thu 16, September 2021 07:37:06 am

8. State two characteristics of a master file. (Answered)
State two characteristics of a master file. .
Posted On:Thu 16, September 2021 07:35:49 am

9. Front-end processor are quite useful in real time systems. State any three reasons why they are important. (Answered)
Front-end processor are quite useful in real time systems. State any three reasons why they are important. .
Posted On:Thu 16, September 2021 07:35:04 am

10. Mention five characteristics of real-time system. (Answered)
Mention five characteristics of real-time system. .
Posted On:Thu 16, September 2021 07:34:14 am

11. Define the term real-time processing. (Answered)
Define the term real-time processing. .
Posted On:Thu 16, September 2021 07:33:31 am

12. List four stages of data processing cycle. (Answered)
List four stages of data processing cycle. .
Posted On:Thu 16, September 2021 07:32:49 am

13. State five possible ways of protecting data integrity (Answered)
State five possible ways of protecting data integrity .
Posted On:Thu 16, September 2021 07:31:23 am

14. Explain three ways in which data integrity is measured. (Answered)
Explain three ways in which data integrity is measured. .
Posted On:Thu 16, September 2021 07:26:50 am

15. State four advantages of computerized filing system over the traditional one. (Answered)
State four advantages of computerized filing system over the traditional one. .
Posted On:Thu 16, September 2021 07:24:50 am

16. Distinguish between online processing and real time processing. Give an application area of each. (Answered)
Distinguish between online processing and real time processing. Give an application area of each. .
Posted On:Thu 16, September 2021 07:12:42 am

17. With the aid of an example, describe the following data processing modes. a) Batch processing b) Timesharing processing c) Distributed processing (Answered)
With the aid of an example, describe the following data processing modes. a) Batch processing b) Timesharing processing c) Distributed processing .
Posted On:Thu 16, September 2021 07:11:49 am

18. Explain how a random file is accessed. (Answered)
Explain how a random file is accessed. .
Posted On:Thu 16, September 2021 07:09:29 am

19. State two disadvantages of random file organization method as used in microcomputers. (Answered)
State two disadvantages of random file organization method as used in microcomputers. .
Posted On:Thu 16, September 2021 07:08:42 am

20. Name the file organization method used in microcomputer. (Answered)
Name the file organization method used in microcomputer. .
Posted On:Thu 16, September 2021 07:07:58 am

21. List three areas where on-line processing could be used. In each area, mention how is used. (Answered)
List three areas where on-line processing could be used. In each area, mention how is used. .
Posted On:Thu 16, September 2021 07:07:06 am

22. State two differences between batch processing and on-line processing. (Answered)
State two differences between batch processing and on-line processing. .
Posted On:Thu 16, September 2021 07:06:18 am

23. List three types of data processing files and their functions. (Answered)
List three types of data processing files and their functions. .
Posted On:Thu 16, September 2021 07:05:22 am

24. Define the term computer file. (Answered)
Define the term computer file. .
Posted On:Thu 16, September 2021 07:04:36 am

25. State one appropriate storage media for each of the following file organization methods: a) Serial b) Random (Answered)
State one appropriate storage media for each of the following file organization methods: a) Serial b) Random .
Posted On:Thu 16, September 2021 07:03:54 am

26. List three methods of data entry into a computer. (Answered)
List three methods of data entry into a computer. .
Posted On:Thu 16, September 2021 07:02:31 am

27. List four possible causes of loss of data integrity. (Answered)
List four possible causes of loss of data integrity. .
Posted On:Thu 16, September 2021 07:01:42 am

28. List three factors that determine the methods of data access in a computer. (Answered)
List three factors that determine the methods of data access in a computer. .
Posted On:Thu 16, September 2021 07:00:59 am

29. State a situation where these error checking methods are appropriate in data processing: a) Check digit b) Parity check (Answered)
State a situation where these error checking methods are appropriate in data processing: a) Check digit b) Parity check .
Posted On:Thu 16, September 2021 07:00:01 am

30. Explain three major elements of a computer file. (Answered)
Explain three major elements of a computer file. .
Posted On:Thu 16, September 2021 06:58:15 am

31. State the purpose of the following files and give examples where each may be required in a school: a) Back-up file. b) Report file. (Answered)
State the purpose of the following files and give examples where each may be required in a school: a) Back-up file. b) Report file. .
Posted On:Thu 16, September 2021 06:57:16 am

32. Differentiate between sequential file and serial file organization methods. (Answered)
Differentiate between sequential file and serial file organization methods. .
Posted On:Thu 16, September 2021 06:56:17 am

33. Differentiate between file organization and file access. (Answered)
Differentiate between file organization and file access. .
Posted On:Thu 16, September 2021 06:55:31 am

34. Mention two advantages and two disadvantages of multiprocessing. (Answered)
Mention two advantages and two disadvantages of multiprocessing. .
Posted On:Thu 16, September 2021 06:54:45 am

35. Mention the mode of processing that is suitable for the following; a) Booking vehicles, b) Payroll processing. (Answered)
Mention the mode of processing that is suitable for the following; a) Booking vehicles, b) Payroll processing. .
Posted On:Thu 16, September 2021 06:53:38 am

36. Give one area where distributed processing is used. (Answered)
Give one area where distributed processing is used. .
Posted On:Thu 16, September 2021 06:52:32 am

37. State two disadvantages of distributed systems. (Answered)
State two disadvantages of distributed systems. .
Posted On:Thu 16, September 2021 06:51:51 am

38. State two disadvantages of real time processing. (Answered)
State two disadvantages of real time processing. .
Posted On:Thu 16, September 2021 06:51:05 am

39. Explain two advantages of batch processing. (Answered)
Explain two advantages of batch processing. .
Posted On:Thu 16, September 2021 06:50:22 am

40. Define batch processing. (Answered)
Define batch processing. .
Posted On:Thu 16, September 2021 06:49:28 am

41. State two benefits of a harsh (random) access file. (Answered)
State two benefits of a harsh (random) access file. .
Posted On:Thu 16, September 2021 06:48:45 am

42. Distinguish between master file and transaction file. (Answered)
Distinguish between master file and transaction file. .
Posted On:Thu 16, September 2021 06:48:00 am

43. Define these terms: i) Data logging ii) Interactive processing. (Answered)
Define these terms: i) Data logging ii) Interactive processing. .
Posted On:Thu 16, September 2021 06:46:54 am

44. Mention three validation checks that can be carried out on data during data input. (Answered)
Mention three validation checks that can be carried out on data during data input. .
Posted On:Thu 16, September 2021 06:45:53 am

45. Differentiate between data validation and data verification. (Answered)
Differentiate between data validation and data verification. .
Posted On:Thu 16, September 2021 06:44:57 am

46. State four factors to consider when choosing a mode of data processing. (Answered)
State four factors to consider when choosing a mode of data processing. .
Posted On:Thu 16, September 2021 06:44:10 am

47. Distinguish between index sequential and non-index sequential file access methods. (Answered)
Distinguish between index sequential and non-index sequential file access methods. .
Posted On:Thu 16, September 2021 06:43:22 am

48. List two types of transcription error. (Answered)
List two types of transcription error. .
Posted On:Thu 16, September 2021 06:41:52 am

49. Define the term transcription error as used in data processing. (Answered)
Define the term transcription error as used in data processing. .
Posted On:Thu 16, September 2021 06:40:54 am

50. List four parameters that measures data integrity. (Answered)
List four parameters that measures data integrity. .
Posted On:Thu 16, September 2021 06:39:49 am

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