Mid Term Test Computer Studies JSS 1 Third Term Lesson Notes

THIRD TERM MID TERM TEST COMPUTER STUDIES JSS 1 THIRD TERM 

1. The ……….. executes a series of instructions that are fed to it by software programs installed onto a computer’s hard drive and loaded into random access memory (RAM). (a) core (b) CPU (c) ROM (d) control unit
2. ……….. stores program instruction in the computer system. (a) memory (b) CPU (c) ALU (d) control unit.
3. ……….. are the devices your computer uses to relay information to the user. (a) input unit (b) output unit (c) memory (d) primary.
4. ………. are all the devices you use to feed information to the computer. (a) input unit (b) output (c) memory (d) CPU
5. ……….. are comprehensively computerized in order to facilitate patient care at competitive cost. (a) Hospitals (b) airline reservation (c) banking (d) payroll
6. Computer processing is the _______ action a computer takes with information. a) basic b) complex c) simple d) difficult
7. The CPU is like the computer’s _______. a) heart b) brain c) muscle d) skin
8. The CPU has three smaller parts: arithmetic unit, control unit, and _______ decoding unit. a) data b) instruction c) memory d) output
9. Memory stores _______ code and data for the CPU to use. a) machine b) human c) animal d) plant
10. Input units bring _______ from the outside world into the computer. a) energy b) information c) food d) toys
11. Output units relay information to the _______. a) computer b) user c) printer d) keyboard
12. Mobile phones and palmtops are examples of computer gadgets used for _______. a) communication b) cooking c) gardening d) sleeping
13. Video and tele-conferencing help people have meetings with members in different _______. a) countries b) cities c) rooms d) schools
14. Computers can be used for sending and receiving _______ through the internet. a) money b) emails c) food d) clothes
15. Traffic control is an example of using computers for _______ and control. a) timing b) eating c) dancing d) singing
16. Hospitals use computers to _______ patient care. a) hinder b) facilitate c) stop d) ignore
17. Airlines use computers for _______ to update flight information. a) playing b) swimming c) reservation d) walking
18. Lawyers search through massive databases for _______ using computers. a) cases b) books c) toys d) clothes
19. Computers can be used to prepare and process _______ through Microsoft Excel. a) emails b) payroll c) food d) reports
20. Marketing uses computers for e-shopping, online payment, and _______ of goods. a) collection b) delivery c) hiding d) throwing
21. Define data processing:
    • a) Organizing data for analysis
    • b) Processing information with a computer
    • c) Storing data in computer memory
    • d) Creating data backups
22. Data processing techniques include:
    • a) Sorting and filtering
    • b) Batch processing and multitasking
    • c) Real-time processing and time sharing
    • d) Copying and pasting
23. Batch processing involves:
    • a) Processing data immediately
    • b) Inputting multiple jobs at once
    • c) Sharing processor time among users
    • d) Executing transactions instantly
24. Real-time processing is useful for:
    • a) Accounting and ledger management
    • b) Rapid data processing with immediate results
    • c) Storing data for future processing
    • d) Delayed execution of tasks
25. Time sharing allows:
    • a) Users to work simultaneously on the same computer
    • b) Processing only when necessary
    • c) Quick execution of tasks without user input
    • d) Sequential execution of jobs one after the other
26. Demand processing occurs:
    • a) When data is stored in computer memory
    • b) In real-time data processing
    • c) When users share processor time
    • d) During batch processing only
27. Multi-processing involves:
    • a) Using multiple processors to execute tasks
    • b) Processing data as soon as it’s available
    • c) Executing tasks one after the other
    • d) Storing data for future use
28. Online processing:
    • a) Involves entering transactions and getting immediate output
    • b) Delays processing until necessary
    • c) Processes data without user intervention
    • d) Doesn’t require CPU connection
29. Advantages of using computers for data processing include:
    • a) Slow operation and low accuracy
    • b) High speed and accuracy
    • c) Unreliable performance and high cost
    • d) Limited storage and memory capability
30. Computers are reliable because they:
    • a) Require constant maintenance
    • b) Work for long periods without complaints
    • c) Have slow processing speeds
    • d) Are prone to errors like humans
31. One disadvantage of using computers for data processing is:
    • a) Low running costs
    • b) Limited exchange of information
    • c) Speedy operations
    • d) High initial expense
32. Memory capability of computer systems allows:
    • a) Limited storage of data
    • b) Access to data only when required
    • c) Storing large amounts of data with instant recall
    • d) Sluggish data retrieval
33. Efficiency and productivity can be raised with computers due to:
    • a) Increased human intervention
    • b) Lower running costs
    • c) Slower data processing
    • d) Less reliance on technology
34. Overall security can be raised due to:
    • a) High human intervention
    • b) Limited exchange of information
    • c) Speedy operations
    • d) Less human intervention
35. Disadvantages of using computers for data processing include:
    • a) High initial expense, need for trained personnel
    • b) Low running costs, efficient storage
    • c) Unlimited exchange of information
    • d) Slow processing speeds, low accuracy
36. The …… is a technique by which a number of jobs (data) are input into the computer system at the same time and the computer is made to execute those jobs, one after the other in sequence. (a) batch processing (b) on-line processing (c) time sharing (d) demand processing
37. Computer operations are done at a speed of …… (a) moon (b) electronic (c) Light (d) sun
38. …….. is a kind of processing whereby many terminals are directly connected to the CPU. (a) online processing (b) demand processing (c) time sharing (d) batch processing
39. In time-sharing processing, many users can work with the computer through terminals that are connected to remote distance. (a) batch (b) time sharing (c) demand (d) online
40. A………….. system is one in which there are two or more processors that may be sharing the same main memory. (a) Multi processing (b) batch processing (c) online processing (d) real time processing
41. GIGO means …….. a) Garbage in Garbage out. b) Garbage indoor Garbage outdoor (c) Gate In Gate out d) all of the above
42. ………. is used for computer teaching aids. a)TAN b) CAN c) CAD (d) PAN
43. Computer is used in ……. to check health parameters of patients. (a) medicine (b) school c) industry (d) factory
44. Computers can be used for electronic advertising in form of electronic bill board a)true b) false c) none of the above (d) all of the above
45. ……….is used for fun, excitement and relaxation. (a) computer game (b) word (c) graphic (d) excel
46. The following are the advantages of computer a)it has high speed b) better job qualities c) reliability d)all of the above
47. Prone to fraud is one of the disadvantages of using computer a) true b) false c) none of the above
48. The use of computer creates unemployment a) true b) false c) none of the above
49. Computers can be used for electronic advertising in form of electronic bill board a) true b) false c)none of the above
50. One of the following is not a disadvantage of computer. (a) health risks (b) privacy violation (c) unemployment (d) reliability
51. Devices are instruments made to perform specific _______.
    • a) tasks
    • b) dances
    • c) songs
    • d) stories
52. What type of device measures things that change over time?
    • a) Early counting device
    • b) Mechanical device
    • c) Electrical device
    • d) Analogue device
53. Which device works on mechanical principles?
    • a) Ship
    • b) Electric iron
    • c) Calculator
    • d) Photocopier
54. What type of device controls the flow of electrical currents?
    • a) Early counting device
    • b) Mechanical device
    • c) Electronic device
    • d) Analogue device
55. Which device takes the energy of electric current and transforms it?
    • a) Electric fan
    • b) Blender
    • c) Typewriter
    • d) Rain gauge
56. What is an example of an early counting device?
    • a) Electric kettle
    • b) Stones
    • c) Television
    • d) Camera
57. Which device is used to measure temperature?
    • a) Electric clipper
    • b) Fridge
    • c) Thermometer
    • d) Radio
58. A sewing machine is an example of which type of device?
    • a) Electrical device
    • b) Electronic device
    • c) Mechanical device
    • d) Analogue device
59. What is an example of an electronic device?
    • a) Wheelbarrow
    • b) Calculator
    • c) Rain gauge
    • d) Barometer
60. Which device controls the system and processes information?
    • a) Napier bone
    • b) Washing machine
    • c) Computer
    • d) Stick
61. Which device is used to calculate mathematical problems?
    • a) Electric iron
    • b) Mixer
    • c) Calculator
    • d) Ship
62. What type of device works with electrical energy?
    • a) Early counting device
    • b) Mechanical device
    • c) Electrical device
    • d) Analogue device
63. Which device is used for communication?
    • a) Abacus
    • b) Telephone
    • c) Fan
    • d) Television
64. A scoreboard is an example of which type of device?
    • a) Electrical device
    • b) Electronic device
    • c) Mechanical device
    • d) Analogue device
65. What device is used to measure the weight of an object?
    • a) Rain gauge
    • b) Weighing scale
    • c) Stick
    • d) Marks on the wall

Exploring the Benefits and Risks of Computer Usage Computer Studies JSS 1 Third Term Lesson Notes

THEORY

1. Define computer processing.
2. State four main components of computer.
3. Mention four areas of the society where computer is used.
4. List four areas where computer is used in timing and control.
5. What is computer processing?
6. Name the four main components of a computer.
7. How are computers used in communication?
8. Give an example of how computers are used in timing and control.
9. What are some applications of computers in information processing and management?
10. Define data security
11. State the problems associated to data security.
12. What is a device?
13. Define computer processing.
14. State four main components of computer.
15. State five uses of computer in the society.
16. How many types of devices are there?
17. Give an example of an early counting device.
18. Name a mechanical device.
19. List two examples of electrical devices.
20. What does an electronic device do?
21. Give an example of an analogue device.
22. How are early counting devices different from electronic devices?
23. Why is classification important when studying devices?

Uses and Applications of Computers Computer Studies JSS 1 Third Term Lesson Notes