Define the term datum? Give an example(Answered) Differentiate between analog data and digital data.(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) Give two reasons why laptops are more expensive than desktop computers with the same specifications(Answered) Differentiate between computer onboard devices and peripheral devices.(Answered) Mention three characteristics of the 4th generation computers.(Answered) Write the following computer abbreviations in full.
a) RAM
b) CPU
c) PC(Answered) Give three advantages of digital over analog data.(Answered) Mention three reasons why a calculator is a computer.(Answered) Match each of the following technologies with the generation it was developed.(Answered) Distinguish between the deletion of characters using the overtype and delete keys.(Answered) Computer output may be in several forms. Describe each of the form listed below.
i)Softcopy
ii)Hardcopy(Answered) a)Write acronym UPS in full.
b)Explain the uses of UPS.(Answered) Describe computer booting system.(Answered) Explain two ways of booting a computer.(Answered) List two toggle keys on a computer keyboard.(Answered) State the functions of the following.
a)Escape key
b)End key(Answered) Define the following terms:
a)Data
b)Information
c)Information processing cycle.(Answered) State three precautions that should be taken to protect data loss in a computer.(Answered) List three causes of computer data loss(Answered) List three ways by which computers can be classified.(Answered) State two characteristics of a mainframe computer.(Answered) List three differences between a microcomputer and a super computer.(Answered) Differentiate between safety precautions and safety practices in the computer laboratory.(Answered) Name two types of microcomputers.(Answered) State the differences between RAM and ROM(Answered) Mention any three differences between second and third computer generations.(Answered) List three ways in which computers are used in education.(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) Define uninterruptable power supply (UPS).(Answered) Differentiate between a surge protector and the UPS(Answered) Explain two health problems that can be caused by prolonged use of 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) Differentiate between general purpose and dedicated computers.(Answered) State four ways in which computers are used in the bank.(Answered) List three advantages of using robots in industries.(Answered) List four categories of computer hardware.(Answered) Mention the secondary storage device introduced in the 2nd to the 5th generation of computers.(Answered) Differentiate between analog and digital computers.(Answered) State ways by which ICTs have improved communication.(Answered) What is biometric analysis?(Answered) Give two applications of biometric analysis in computing(Answered) Define a computer laboratory.(Answered) Why is it advisable to remove shoes when entering a computer laboratory?(Answered) With reference to cables, list two reasons why a keyboard may not function correctly(Answered) Differentiate between Dynamic RAM and Static RAM(Answered) What are registers as used in computers? Give two examples(Answered) Give four basic operations of a computer system(Answered) A Computer system should accept input, process and give an output. Explain the two forms of
computer output(Answered) Differentiate between impact and non-impact printers(Answered) Differentiate between Proprietary software and Open source software(Answered) Explain any two types of system software(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) What is software documentation .(Answered) Differentiate between hardware portability and Software portability(Answered) Give four measures that protect computers from damage in the laboratory(Answered) What is utility software?(Answered) Explain two types of utility software.(Answered) Why are CD-ROMs and CD-Rs referred to as WORM?(Answered) What is a solid-state storage media?(Answered) What is Multimedia as used in computers.(Answered) Differentiate between digital versatile disks and Blu ray disks.(Answered) How do you handle removable storage media?(Answered)
