-The person being observed may perform differently or change his/her behaviour
leading to wrong requirements being observed
-The work being observed may not involve the level of difficulty or volume
normally experience during that period of time.
-The need to be on the site where the activities are taking place consumes a lot of time.
-Some activities may take place at odd times causing a scheduling inconvenience for the analyst.
i)Data on past events can not be got.
ii)Observation may be affected by weather conditions e.g. mist and fog.
iii)This method is ineffective for people with visual disability.
iv)It is tiresome and expensive method as it involves a lot of travelling because physical presence is required.
Kavungya answered the question on June 5, 2019 at 11:58
- Explain the importance of using automated methods in fact finding.(Solved)
Explain the importance of using automated methods in fact finding.
Date posted: June 5, 2019. Answers (1)
- Give one example of automated information gathering technique.(Solved)
Give one example of automated information gathering technique.
Date posted: June 5, 2019. Answers (1)
- State four factors that may be considered in order to design a good file.(Solved)
State four factors that may be considered in order to design a good file.
Date posted: June 5, 2019. Answers (1)
- Define the term “attribute”(Solved)
Define the term “attribute”
Date posted: June 5, 2019. Answers (1)
- State two methods/tools that a system analyst may use to design a system.(Solved)
State two methods/tools that a system analyst may use to design a system.
Date posted: June 5, 2019. Answers (1)
- Briefly explain the terms parallel running and direct changeover as used in system implementation.(Solved)
Briefly explain the terms parallel running and direct changeover as used in system implementation.
Date posted: June 5, 2019. Answers (1)
- Give two disadvantages of direct changeover over parallel running.(Solved)
Give two disadvantages of direct changeover over parallel running.
Date posted: June 5, 2019. Answers (1)
- Mention any two advantages of running both the manual system and the computerized system simultaneously.(Solved)
Mention any two advantages of running both the manual system and the computerized system simultaneously.
Date posted: June 5, 2019. Answers (1)
- Differentiate between a modem and a multiplexer.(Solved)
Differentiate between a modem and a multiplexer.
Date posted: June 5, 2019. Answers (1)
- Distinguish between bounded and unbounded transmission media, giving two examples in each.(Solved)
Distinguish between bounded and unbounded transmission media, giving two examples in each.
Date posted: June 5, 2019. Answers (1)
- 1.(i) Define Twisted pair cables.
(ii) Outline the two types of twisted pain cables.(Solved)
1.(i) Define Twisted pair cables.
(ii) Outline the two types of twisted pain cables.
Date posted: June 5, 2019. Answers (1)
- Define Coaxial cables and give examples of such cables.(Solved)
Define Coaxial cables and give examples of such cables.
Date posted: June 5, 2019. Answers (1)
- List two advantages of cell phones over fixed lines.(Solved)
List two advantages of cell phones over fixed lines.
Date posted: June 5, 2019. Answers (1)
- Write in full hence, explain the term ICT.(Solved)
Write in full hence, explain the term ICT.
Date posted: June 5, 2019. Answers (1)
- Name the type of processing that would be required by a payroll system.(Solved)
Name the type of processing that would be required by a payroll system.
Date posted: June 5, 2019. Answers (1)
- State four components of an electronic Point-of-sale terminal.(Solved)
State four components of an electronic Point-of-sale terminal.
Date posted: June 5, 2019. Answers (1)
- State the functions of I/O devices(Solved)
State the functions of I/O devices
Date posted: June 5, 2019. Answers (1)
- Give the ways of controlling carelessness as a threat to the safety of computer system.(Solved)
Give the ways of controlling carelessness as a threat to the safety of computer system.
Date posted: June 5, 2019. Answers (1)
- Give the ways of controlling Vandalism.(Solved)
Give the ways of controlling Vandalism.
Date posted: June 5, 2019. Answers (1)
- State the ways of controlling White- collar crime.(Solved)
State the ways of controlling White- collar crime.
Date posted: June 5, 2019. Answers (1)