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Describe virtual reality as used in computers. (2 marks)
Virtual Reality is the computer generated simulation of a three-dimensional
image or environment that can be interacted with in a seemingly real or physical way by a person using a specialized electronic head gear, 
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A school has been advised to employ a database administrator. State three responsibilities of this personnel in the school.
(b) Explain two ways in which computers can be used in the transport industry.
(c) Mary was advised to partition a hard disk for her computer. Explain two reasons that may have necessitated this. (d) Explain a reason for conducting each of the following studies in systems development: (i) Schedule feasibility; (ii) Technical feasibility.
RESPONSES
a) Possible responsibilities of a database admin in a school
Students of a school intend to elect their school captain by secret ballot. State three ways in which computers can be used to improve the election process.
State two advantages of making payments through a mobile phone.
Advantages of mobile phone in payments
a) Distinguish between Computer Aided Instruction (CAI) and Computer Aided Learning (CAL). (4 marks)
b)(i) State four activities that may be carried out when disposing off an old system in an organization. (4 marks)
ii) State four ways of getting user specifications during systems design. (4 marks)
 Students of a school intend to elect their school captain by secret ballot. State three ways in which computers can be used to improve the election process.
Three ways of using computers in electing school captain
A worker is unable to travel to the office but may still be able to do the office work through telecommuting.
(a) Explain why the worker may use each of the following:
(i) email; (ii) fax; (iii) digital camera; (iv) firewall. (b) The worker needs to make regular backups of documents sent to the office. State three reasons for this. (c) Explain two benefits that the employer will get by allowing this worker to do the office work through telecommuting.
RESPONSES
(a) E-mail: - used to send and receive electronic documents to/from the office.
Receive instructions from the supervisor or co-workers. Fax: - Used to send documents which are in non-electronic format Digital camera - Used to capture images in picture form/video conferencing. Firewall - Used to prevent intrusion to the home computer because telecommuting involves connection to the internet. (b) Communication systems may fail/communication channel may fail.
List two career opportunities directly associated with computer networking.
List two career opportunities associated with computer networking.
Write each of the following acronyms in full as used in computing.
Some computer companies have opted to use the Internet to provide shared processing resources and online application services to users. State three advantages that this approach will have on their customers. (3 marks)
Advantages of online application services and shared processing resources.
A school has acquired a system that imitates human teachers. Students can learn by getting answers from the system which they would normally get from the teacher. Give three advantages of this system.
Advantages:
Asha has a hardware shop and lately, she is finding the task of managing daily sales in the shop overwhelming.(a) State a retail system that she should acquire.
(b) State two input devices that are used in retail systems.
(c) Apart from enhancing the speed of operation, state two other benefits that Asha will gain from using such a system.
State three ways in which ICT can be used in shipping control.
Explain why telecommuting is not suitable for a doctor when carrying out an operation on a patient.3/1/2021 Explain why telecommuting is not suitable for a doctor when carrying out an operation on a patient.
Name and explain the function of the keyboard keys represented by the following symbols2/1/2021 (a) Name and explain the function of the keyboard keys represented by the following symbols (2mks)
(b) Simulation is one of the application areas of computers |
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