(a) A company has decided to computerize their operations. They have decided to purchase packages instead of developing their own programs. Give three advantages and two disadvantages of this approach.
Advantages
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![]() (a) Give three examples of network software
![]() A computer specification has the following details:
![]() Study the flowchart below and answer the questions that follow (a) Write a high level language program for the above flowchart (7mks)![]() Name two features of database package
![]() (a) Name two methods of paper orientation (1mk)
(b) Name two keys used to delete text in a document (1mk)
![]() Distinguish between copying and moving text
![]() What are the DOS commands used for the following?
(a) Changing directories – CD\ (b) Viewing directories – DIR (c) Renaming directories – REN or RENAME (d) Deleting a directory- RD\ ![]() Give two reasons why optical disks are better storage media compared to floppy diskettes (2mks)
![]() (a) What is an expert system (1mk)
A software consisting of knowledge and rules for using it gathered from human experts in a particular occupation e.g. medicine. An expert system has the capability to store the collection of knowledge & manipulate it in response to user inquiries
(b) State any two components of an expert system (2mks)
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Study the flowchart segment below and state the last value printed from the flowchart. (2mks)
![]() List three differences between Wide Area Networks (WAN) and Local Area Networks (LAN) (3mks)
![]() (a) Distinguish between labels and formulae with respect to spreadsheet (2mks)
(b) Consider the entries in the cells below(c) State the values displayed in cell C14 (2mks)
Error (#value) NB: the = sign is missing in cells C10 and C11
![]() State any two features of a user- friendly program
![]() Briefly explain the purpose of the following types of program documentation
(a) User manual
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