Most computers use Universal Serial Bus (USB) ports to allow the attachment of devices. Describe two benefits of using USB ports.(Answered) Name the most suitable input or output device for each of the following uses. Give a different device in each case.(Answered) Sensors are one type of input device. For each of the following situations, name a different sensor that could be used.
(i) air conditioning in an office building
(ii) maintaining correct growing conditions in a greenhouse
(iii) detecting an intruder in a building(Answered) ICT refers to telecommunication, computers, software and data system that can be used to support, store and transmit the communication technologies for researcher to access and manipulate information…..” Explain three application software that can be applied in the academic sector (Answered) Explain the emerging Issues and trends in ICT(Answered) Explain ICT legislations and policies(Answered) Explain the measures of controlling unethical behavior in ICT(Answered) Describe reasons for unethical practices in ICT(Answered) Explain the meaning and importance of ICT Ethics(Answered) Explain measures that ensure data safety inside a computer system(Answered) Explain the application areas of ICT(Answered) Explain the negative impacts of ICT to society(Answered) Explain the positive impacts of ICT to society.(Answered) How do you handle removable storage media?(Answered) Differentiate between digital versatile disks and Blu ray disks.(Answered) What is Multimedia as used in computers.(Answered) What is a solid-state storage media?(Answered) Why are CD-ROMs and CD-Rs referred to as WORM?(Answered) Explain two types of utility software.(Answered) What is utility software?(Answered) Give four measures that protect computers from damage in the laboratory(Answered) Differentiate between hardware portability and Software portability(Answered) What is software documentation .(Answered) Assume you are an IT specialist at Codelabs which is a software development company. The company intends to purchase new computers to enhance their operations. Advise your company on the hardware considerations to put in place.(Answered) Explain any two types of system software(Answered) Differentiate between Proprietary software and Open source software(Answered) Differentiate between impact and non-impact printers(Answered) A Computer system should accept input, process and give an output. Explain the two forms of
computer output(Answered) Give four basic operations of a computer system(Answered) What are registers as used in computers? Give two examples(Answered) Differentiate between Dynamic RAM and Static RAM(Answered) Explain any two types of Read Only Memory (ROM)(Answered) Give two examples of each of the following.
i) Computer hardware.
ii) Computer grayware.
iii) Computer software.(Answered) What are “Hybrid computers”(Answered) Give three advantages of distributed processing.(Answered) Outline four functions of the operating system with regard to file management(Answered) Afritutor Technologies , a software development company intends to store its
programs in CD-ROMs for sale. Explain benefits of this move to the company(Answered) What is a micro-computer? Give three examples(Answered) Give two differences between mainframe computers and super computers(Answered) Define the term “Information and Communication technology”(Answered) With reference to cables, list two reasons why a keyboard may not function correctly(Answered) Why is it advisable to remove shoes when entering a computer laboratory?(Answered) Define a computer laboratory.(Answered) Give two applications of biometric analysis in computing(Answered) What is biometric analysis?(Answered) State ways by which ICTs have improved communication.(Answered) Differentiate between analog and digital computers.(Answered) Mention the secondary storage device introduced in the 2nd to the 5th generation of computers.(Answered) List four categories of computer hardware.(Answered) List three advantages of using robots in industries.(Answered) State four ways in which computers are used in the bank.(Answered) Differentiate between general purpose and dedicated computers.(Answered) Mention one way in which the following health problems brought by prolonged use of computers can be prevented
a)Eye strain
b)Back ache
c)Neck ache(Answered) Explain two health problems that can be caused by prolonged use of computers(Answered) Differentiate between a surge protector and the UPS(Answered) Define uninterruptable power supply (UPS).(Answered) Suggest how computers have been made user-friendly to persons that are physically challenged in the following areas.
a)Without hands
b)Impaired person(Answered) List three ways in which computers are used in education.(Answered) Mention any three differences between second and third computer generations.(Answered) State the differences between RAM and ROM(Answered) Name two types of microcomputers.(Answered) Differentiate between safety precautions and safety practices in the computer laboratory.(Answered) List three differences between a microcomputer and a super computer.(Answered) State two characteristics of a mainframe computer.(Answered) List three ways by which computers can be classified.(Answered) List three causes of computer data loss(Answered) State three precautions that should be taken to protect data loss in a computer.(Answered) Define the following terms:
a)Data
b)Information
c)Information processing cycle.(Answered) State the functions of the following.
a)Escape key
b)End key(Answered) List two toggle keys on a computer keyboard.(Answered) Explain two ways of booting a computer.(Answered) Describe computer booting system.(Answered) a)Write acronym UPS in full.
b)Explain the uses of UPS.(Answered) Computer output may be in several forms. Describe each of the form listed below.
i)Softcopy
ii)Hardcopy(Answered) Distinguish between the deletion of characters using the overtype and delete keys.(Answered) Match each of the following technologies with the generation it was developed.(Answered) Mention three reasons why a calculator is a computer.(Answered) Give three advantages of digital over analog data.(Answered) Write the following computer abbreviations in full.
a) RAM
b) CPU
c) PC(Answered) Mention three characteristics of the 4th generation computers.(Answered) Differentiate between computer onboard devices and peripheral devices.(Answered) Give two reasons why laptops are more expensive than desktop computers with the same specifications(Answered) For information to be created, data must be processed. Give an example of data and the process done to it to convert it to information.(Answered) Differentiate between analog data and digital data.(Answered) Define the term datum? Give an example(Answered) State four ways in which a computer user can protect the eyes from damage caused by
computer radiation.(Answered)
