(b) Distinguish between multi-tasking and multi-user operating system. (2marks) 5. (a) Give two importance of internet. (2marks) (b) Explain the following as they are used in internet. (i) Sign in (1mark) (ii) Surf (1mark) (iii) Downloading (l mark) 6. (a) Define desktop publishing. (1mark) (b) Explain one purpose of desktop publishing. (1mark) 7. (a) Differentiate between Source program and Object code in programming. (2marks) (b) State the stages of program development in their logical sequence. (3marks) 8. Covert 1268 to Hexadecimal equivalent. (l mark) 9. Explain one paragraph formatting features. (1mark) 10. (a) What is an Information system? (1mark) (b) Give two roles of information manager. (2marks) 11. Explain the following database models. (2marks) (i) Hierarchical model (ii) Relational model. 12. Give advantage of an electronic spreadsheet over traditional analysis ledger (1 mark) one 13. Define the term data security. (1mark) 14. Explain one type of transcription error in data processing. (1mark) 15. Outline three stages of data collection. (½marks) SECTION B (60 Marks) Answer question 16 and any other three questions in this section.
(b) Distinguish between multi-tasking and multi-user operating system. (2marks) 5. (a) Give two importance of internet. (2marks) (b) Explain the following as they are used in internet. (i) Sign in (1mark) (ii) Surf (1mark) (iii) Downloading (l mark) 6. (a) Define desktop publishing. (1mark) (b) Explain one purpose of desktop publishing. (1mark) 7. (a) Differentiate between Source program and Object code in programming. (2marks) (b) State the stages of program development in their logical sequence. (3marks) 8. Covert 1268 to Hexadecimal equivalent. (l mark) 9. Explain one paragraph formatting features. (1mark) 10. (a) What is an Information system? (1mark) (b) Give two roles of information manager. (2marks) 11. Explain the following database models. (2marks) (i) Hierarchical model (ii) Relational model. 12. Give one advantage of an electronic spreadsheet over traditional analysis ledger (1 mark) 13. Define the term data security. (1mark) 14. Explain one type of transcription error in data processing. (1mark) 15. Outline three stages of data collection. (½marks) SECTION B (60 Marks) Answer question 16 and any other three questions in this section.
2010%20Computer%20Studies%20Paper%201.docx