Information and Communication Technology (9-1) - 0983 CIE

Analysis

Muhtasari

Before a single line of a new system is built, someone has to find out exactly how the present way of working really works, where it goes wrong, and what the people who use it actually need. That detective work is the analysis stage, the first stop in the systems life cycle. Get it right and everything that follows has a firm foundation; get it wrong and the finished system will solve the wrong problem.

In this lesson you will learn the four ways an analyst researches a current system, when each one is the right tool, and the advantages and drawbacks of each. You will then see how the analyst records what they find, separates the inputs, outputs and processing, pins down the user and information requirements, and finally justifies the hardware and software the new system will need.

Malengo

  1. Analysis of the current system.
  2. Characteristics, uses, advantages and disadvantages of the research methods of observation, interviews, questionnaires and examination of existing documents.
  3. Record and analyse information about the current.
  4. The need to identify the inputs, outputs and.
  5. system.
  6. processing of the current system, problems with the current system, the user and information requirements for the new system.
  7. System specification.
  8. Identify and justify suitable hardware and software for the new system.

Somo la Sauti

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Ramani ya mawazo

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Maelezo ya Somo

A new computer system is only as good as the understanding it is built on. Developers rarely know the fine detail of how a business runs, and managers rarely know what computers can do for them. Analysis is the stage that bridges that gap. By the time it ends, the analyst should be able to describe precisely what the current system does, what is wrong with it, and what the new system must achieve. Every later stage, design, development, implementation and evaluation, measures itself against the requirements written here.

Dokezo Kamili la Somo Linapatikana kwenye Programu ya Green Bridge

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Tathmini ya Somo

Hongera kwa kukamilisha somo la Analysis. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.

  1. Which research method is most likely to be affected by the Hawthorne effect? A. Interviews B. Questionnaires C. Observation D. Examining existing documents Answer: C
  2. An analyst wants honest, anonymous views from a large number of staff quickly and cheaply. The best method is: A. Observation B. Interviews C. Questionnaires D. Examining existing documents Answer: C
  3. User requirements are best described as: A. A list of the hardware needed B. A plain-language statement of what the customer needs the system to do C. The program code for the new system D. The test data for the new system Answer: B
  4. Which of these is an advantage of off-the-shelf software over bespoke software? A. It always fits the business exactly B. It is cheaper and available immediately C. It needs no user-base for support D. It requires more training Answer: B
  5. When a customer keys flight details into a booking system, this is an example of a system: A. Output B. Process C. Input D. Storage device Answer: C

Fanyia kazi maswali haya kwenye programu

Fanyia kazi maswali haya kwenye programu

Vitabu Vinavyopendekezwa

Cambridge IGCSE and O Level Information and Communication Technology
Cambridge IGCSE and O Level Information and Communication Technology
Manukuu: Third edition
Mchapishaji: Hodder Education
Mwaka: 2021
ISBN: 978-1-3983-1854-0
Maelezo: Endorsed coursebook covering the full 0417/0983 syllabus, theory and practical, with worked examples and exam-style questions.
Cambridge IGCSE Information and Communication Technology Theory Workbook
Cambridge IGCSE Information and Communication Technology Theory Workbook
Manukuu: Second edition
Mchapishaji: Hodder Education
Mwaka: 2021
ISBN: 978-1-3983-1856-4
Maelezo: Companion theory workbook with additional exercises across the syllabus theory topics.

Fanya Mazoezi ya Maswali ya Majaribio

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