Get premium membership and access questions with answers, video lessons as well as revision papers.
(a) Data
For end users, this constitutes all the different values connected with the various objects/entities that are of concern to them.
(b) database
A shared collection of logically related data (and a description of this data), designed to meet the information needs of an organization
(c) database management system
A software system that: enables users to define, create, and maintain the database and provides controlled access to this database.
(d) application program
A computer program that interacts with the database by issuing an appropriate request (typically an SQL statement) to the DBMS.
(e) data independence
This is essentially the separation of underlying file structures from the programs that operate on them, also called program-data independence.
kevowmuchiri answered the question on July 4, 2018 at 15:07
- Outline four types of memory as used in data structures(Solved)
Outline four types of memory as used in data structures.
Date posted: July 3, 2018. Answers (1)
- Define Data structures(Solved)
Define Data structures.
Date posted: July 3, 2018. Answers (1)
- Explain the difference between nominal and real gross domestic product (GDP). (Solved)
Explain the difference between nominal and real gross domestic product (GDP).
Date posted: July 3, 2018. Answers (1)
- Explain how an interactive DVD can be used to train users of an information system(Solved)
Explain how an interactive DVD can be used to train users of an information system
Date posted: July 3, 2018. Answers (1)
- An interactive DVD can be used to provide training. Describe how data is written onto a DVD.(Solved)
An interactive DVD can be used to provide training. Describe how data is written onto a DVD.
Date posted: July 3, 2018. Answers (1)
- Explain how auditing software is used on a computer network(Solved)
Explain how auditing software is used on a computer network
Date posted: July 3, 2018. Answers (1)
- Communication standards are required when data is transmitted over a network.
Explain the need for communication standards(Solved)
Communication standards are required when data is transmitted over a network.
Explain the need for communication standards
Date posted: July 3, 2018. Answers (1)
- Most organisations have replaced standalone computers with a network. Identify three advantages of a network over standalone computers.
(Solved)
Most organisations have replaced standalone computers with a network. Identify three advantages of a network over standalone computers.
Date posted: July 3, 2018. Answers (1)
- Describe the role of the programmer during software development.(Solved)
Describe the role of the programmer during software development.
Date posted: July 3, 2018. Answers (1)
- Explain the main difference between evolutionary prototyping and throw-away prototyping.(Solved)
Explain the main difference between evolutionary prototyping and throw-away prototyping.
Date posted: July 3, 2018. Answers (1)
- An organisation requires a new information system. A feasibility study is carried out. Explain what is meant by
Legal feasibility
Social feasibility(Solved)
An organisation requires a new information system. A feasibility study is carried out. Explain what is meant by
Legal feasibility
Social feasibility
Date posted: July 3, 2018. Answers (1)
- Describe how real-time processing could be used to process orders on the website.(Solved)
Describe how real-time processing could be used to process orders on the website.
Date posted: July 3, 2018. Answers (1)
- A company sells health products at a number of shops throughout the country.
An ICT consultant recommends that the company should develop a website.
Describe...(Solved)
A company sells health products at a number of shops throughout the country.
An ICT consultant recommends that the company should develop a website.
Describe two benefits to the company of using the website to sell its products.
Date posted: July 3, 2018. Answers (1)
- Describe the purpose of each of the following CPU components.
The arithmetic and logic unit
The control unit(Solved)
Describe the purpose of each of the following CPU components.
The arithmetic and logic unit
The control unit
Date posted: July 3, 2018. Answers (1)
- Guests attending an ICT convention are asked to fill in claims forms for
expenses.
Details from these forms are keyed into a database.
The database is then used...(Solved)
Guests attending an ICT convention are asked to fill in claims forms for
expenses.
Details from these forms are keyed into a database.
The database is then used to produce an invitation list for the next year’s convention. Describe three reasons why the information in the invitation list might not be correct.
Date posted: July 3, 2018. Answers (1)
- Robots are to be used extensively on a new car assembly line.
Write a report evaluating the impact on quality, and the financial implications of this...(Solved)
Robots are to be used extensively on a new car assembly line.
Write a report evaluating the impact on quality, and the financial implications of this use of ICT.
Date posted: July 3, 2018. Answers (1)
- Describe one benefit and one drawback of a peer-to-peer network.
(Solved)
Describe one benefit and one drawback of a peer-to-peer network.
Date posted: July 3, 2018. Answers (1)
- Explain what is meant by
A flat file
Data inconsistency
Data independence
(Solved)
Explain what is meant by
A flat file
Data inconsistency
Data independence
Date posted: July 3, 2018. Answers (1)
- The libraries use a database management system (DBMS). Identify four responsibilities of the database administrator(Solved)
The libraries use a database management system (DBMS). Identify four responsibilities of the database administrator
Date posted: July 3, 2018. Answers (1)
- Describe the main contents of a typical acceptable use policy relating to ICT.(Solved)
Describe the main contents of a typical acceptable use policy relating to ICT.
Date posted: July 3, 2018. Answers (1)