Distinguish between transposition and transcription error in data processing.(Answered) A computer user typed 437 as 473 and 439 as 430. Name the type of error in each case.(Answered) State one area where real time processing is used.(Answered) List two advantages of real time processing.(Answered) Outline four stages of data processing cycle.(Answered) list four stages of data collection.(Answered) List three types or errors that can occur during data collection stage of data processing cycle.(Answered) Define the term distributed data processing.(Answered) Explain two benefits of distributed data processing in an organization.(Answered) Differentiate between multiprocessing and multiprogramming as a modes of electronic data processing.(Answered) State any two disadvantages of a multiprogramming data processing mode.(Answered) Define the term data integrity.(Answered) List four parameters that measures data integrity.(Answered) Define the term transcription error as used in data processing.(Answered) List two types of transcription error.(Answered) Distinguish between index sequential and non-index sequential file access methods.(Answered) State four factors to consider when choosing a mode of data processing.(Answered) Differentiate between data validation and data verification.(Answered) Mention three validation checks that can be carried out on data during data input.(Answered) Define these terms:
i) Data logging
ii) Interactive processing.(Answered) Distinguish between master file and transaction file.(Answered) State two benefits of a harsh (random) access file.(Answered) Define batch processing.(Answered) Explain two advantages of batch processing.(Answered) State two disadvantages of real time processing.(Answered) State two disadvantages of distributed systems.(Answered) Give one area where distributed processing is used.(Answered) Mention the mode of processing that is suitable for the following;
a) Booking vehicles,
b) Payroll processing.(Answered) Mention two advantages and two disadvantages of multiprocessing.(Answered) Differentiate between file organization and file access.(Answered) Differentiate between sequential file and serial file organization methods.(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.(Answered) Explain three major elements of a computer file.(Answered) State a situation where these error checking methods are appropriate in data processing:
a) Check digit
b) Parity check(Answered) List three factors that determine the methods of data access in a computer.(Answered) List four possible causes of loss of data integrity.(Answered) List three methods of data entry into a computer.(Answered) State one appropriate storage media for each of the following file organization methods:
a) Serial
b) Random (Answered) Define the term computer file.(Answered) List three types of data processing files and their functions.(Answered) State two differences between batch processing and on-line processing.(Answered) List three areas where on-line processing could be used. In each area, mention how is used.(Answered) Name the file organization method used in microcomputer.(Answered) State two disadvantages of random file organization method as used in microcomputers.(Answered) Explain how a random file is accessed.(Answered) With the aid of an example, describe the following data processing modes.
a) Batch processing
b) Timesharing processing
c) Distributed processing
(Answered) Distinguish between online processing and real time processing. Give an application area of each.(Answered) State four advantages of computerized filing system over the traditional one.(Answered) Explain three ways in which data integrity is measured.(Answered) State five possible ways of protecting data integrity(Answered) List four stages of data processing cycle.(Answered) Define the term real-time processing.(Answered) Mention five characteristics of real-time system.(Answered) Front-end processor are quite useful in real time systems. State any three reasons why they are important.(Answered) State two characteristics of a master file.(Answered) List three file organization methods.(Answered) Explain three common operations carried out on files.(Answered) List two qualities of good information.(Answered) Describe any stages of data collection.(Answered) Describe using examples the following computational errors.
i) Overflow
ii) Truncation
iii) Rounding off.(Answered) Describe the following file organization methods:
i) Sequential
ii) Indexed sequential
iii) Random.(Answered) Explain three methods used to detect input errors.(Answered) Explain a situation where the batch processing would be appropriate.
(Answered) Explain two ways in which data verification can be done.(Answered) Explain five types of computer processing files.(Answered) Distinguish between a static and a dynamic field. Give an example in each case.(Answered) State two advantages of these file access methods.
i) Random
ii) Indexed sequential.(Answered)
