Computer Studies Questions and Answers - Form 1 End Term 2 Exams 2022

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Instructions to candidates

  • Answer all questions.
  • All answers must be written in English.
  • Drawings to be drawn using a pencil.


    1. Define the following terms as used in ICT. (4 Marks)
      1. Data.
      2. Data processing
      3. Information
    2. Clearly illustrate the two types of system units. (4 Marks)
    1. Give three characteristics of First Generation Computers. (3 Marks)
    2. complete the table below about the mechanical tools that were considered to be the earliest
      Tool Application area developer
      Napier Borne    
      Analytical Engine   Charles Babbage 
  3. State the technology used in each of the following computers. (5 Marks)
    1. 1 st Generation Computers
    2. 2 nd Generation Computers
    3. 3 rd Generation Computers
    4. 4 th Generation Computers
    5. 5 th Generation Computers
  4. List the different types of computers when classified according to the following.
    1. According to physical size. (4 Marks)
    2. According to functionality. (3 Marks)
    3. According to purpose. (2 Marks)
  5. Study the keyboard below and use it to answer questions. (5 marks)
    1. Name the type of keys labeled A to F
    2. Mention three types of keyboards that may be used to enter data into a computer. (3 Marks)
  6. Name the following types of mouse. (3 Marks)
  7. Explain how computers are used in the following areas.
    1. Supermarket (2 Marks)
    2. Banks. (2 Marks)
  8. Explain the following components that make up a computer system. (6 Marks)
    1. Hardware
    2. Software
    3. Liveware
    1. Define a computer laboratory. (2 Marks)
    2. give five factors to consider when preparing a computer laboratory. (4 Marks)
    3. Give five rules to observe when entering a computer laboratory. (5 Marks)
    4. Give three causes of fire in the computer laboratory. (3 Marks)
    5. Why are powder and liquid fire extinguishers discouraged in the computer laboratory? (2 Marks)
    6. Give three precautions that prevent dust from entering the computer laboratory and damaging the computers. (3 Marks)
  10. Write the following abbreviations in full. (3 Marks)
    1. POST: ………………………………………………………………………..
    2. BIOS: …………………………………………………………………………
    3. UPS: …………………………………………………………………………..
  11. State three functions of a Uninterruptable Power Supply in a computer laboratory. (4 Marks)
  12. What is booting? (1 Mark)
  13. Give two types of booting. (2 Marks)

Marking Scheme

      1. data is simply any numbers, letters or symbols that can be entered into a computer system without context an dis usually unorganized..
      2. data processing, manipulation of data by a computer. It includes the conversion of raw data to machine-readable form, flow of data through the CPU and memory to output devices, and formatting or transformation of output.
      3. Information is a collection of organized data.
    2. desktop , tower units 
      (learner should illustrate appropriateely.
    1. Power – consume a lot of electricity and generate a lot of heat.
      Speed and size – very slow and very large in size (often taking up entire room).
      Input/output devices – punched cards and paper tape.
      Tool Application area developer
      Abacus  counting  Sumerians/Mesopotamians
      Napier Borne  calculating (lattice multiplication)  John Nap[ier
      Analytical Engine mechanical claculation/ general-purpose computer Charles Babbage 
    1. 1st gen- vaccuum tubes  
    2. 2nd gen - transistors
    3. 3rd gen - Integrated circuits
    4. 4th gen - Very large sacel integrated circuits 
    5. 5th gen - Ultra ;large scale integration technology
    1.  Supercomputer, Mainframe computer, Minicomputer, and Micro Computer.
    2. Analog, Digital, and Hybrid Computer.
    3.  supercomputers, mainframe computers, minicomputers, microcomputers, workstation computers, and server computers.
    1.  Function keys
    2. Special keys
    3. Numeric keys
    4. Cursor/ arrow keys
    5. alphanumerics keys
    1. trackball mouse
    2. Wired mouse
    3. wireless mouse/ bluetooth mouse
    1.  Can be used to monitor stock, record and analyse sales, collect customer data
    2. Keep account and customer information, process transcations, verify records  
    1. External parts of a computer consisitng of both inpout and output devices such as mouse, keyboard, monitor, system unit etc
    2. virtual programmes that are used to execute functions within the computers such as calculating, typing, playing games, sending and receiving data for example the calculator, Miscrosoft Word, internet browsers etc
    3. These are poeple who make the ciomputer systems word eg data processing engineers, computer scientists, software developers, performing tasks that a computer can't necessarily do such as fix bugs, create and  update programs, fix and repair computers.
    1.  A center where students can be taught thoeritical and practical lessons related to computer studies
      • Number of computers
      • Security
      • Availability and reliability of power
      • Number of users
      • Ventilation and protection from moisture and dust
      • Clean your working area
      • No eating in the laboratory
      • Don't change computer settings
      • Save all unfinished work
      • Work quietly
      • Tangled cables/ electrical faults
      • Adverse natural conditions eg lightening
      • malicious activity by other people eg arsonists
    5. They may damage electircal circuits further, add danger of electrocution
      • dry cleaning methods should be used.
      • Ensuring doors and windows are facing away from direct wind direction.
      • Urging student to clean up befiore entering eg, removing muddy shoes
    • Power-on Self-Test
    • BIOS - Basic input- output system
    • UPS - Uninterruptible power supply
    • Allow safe shutdown and saving of work in case of power outage
    • Prevent shutdown because of low power volatge
    • Prevent damage of computers due to electirc surges
  12.  Booting is turning on of the computer
  13. Cold booting
    warm booting
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