Examination on Computer Studies
Class: JSS 1
Term: Third Term
Time: 1 Hour
Total Marks: 70

SECTION A: OBJECTIVES (40 Marks)
Instruction: Answer all questions.

1. ________ computers represent data as continuously varying physical quantities. (a) Digital (b) Analog (c) Hybrid (d) Modern
2. Which of the following is a major application area of computers in banks? (a) Patient diagnosis (b) Teaching students (c) ATM transactions (d) Crop monitoring
3. The correct step in using a computer for processing data involves input, processing, and then ________. (a) storage (b) output (c) deletion (d) transfer
4. All of these are advantages of using computers except ________. (a) speed (b) accuracy (c) job displacement (d) storage
5. The device used to control a pointer on the screen is called a ________ device. (a) typing (b) input (c) pointing (d) display
6. Which of these is NOT a type of computer based on data representation? (a) Analog (b) Digital (c) Supercomputer (d) Hybrid
7. Which of these is not a common use of computers in schools? (a) Preparing lesson notes (b) Managing student records (c) Performing surgical operations (d) Online learning
8. An example of a key used to delete characters to the left of the cursor is ________. (a) Enter (b) Spacebar (c) Backspace (d) Delete
9. The main reason for using computers in hospitals is ________. (a) entertainment (b) efficient patient management (c) playing games (d) online shopping
10. ________ computers process data in discrete values or digits. (a) Analog (b) Digital (c) Hybrid (d) Quantum
11. A computer is often used in offices for ________. (a) watching movies (b) word processing (c) playing music (d) social media
12. Which of the following is a common technique used with a computer mouse? (a) Scrolling (b) Dragging (c) Clicking (d) All of the above
13. The correct step in performing a double-click action with a mouse is to press the left mouse button ________. (a) once slowly (b) twice quickly (c) and hold (d) with the right finger
14. All of these are benefits of computer processing except ________. (a) increased efficiency (b) faster calculations (c) data corruption (d) automation of tasks
15. The combination of analog and digital features in a single computer system is called a ________ computer. (a) mixed (b) hybrid (c) dual (d) combined
16. Which of these DOES NOT represent a disadvantage of computer usage? (a) Health issues (b) High cost (c) Increased productivity (d) Security risks
17. Which of these is not a key on a standard computer keyboard? (a) Alt key (b) Shift key (c) Mouse key (d) Ctrl key
18. An example of a computer application in schools is ________. (a) managing bank accounts (b) patient diagnosis (c) creating student timetables (d) controlling traffic lights
19. The main reason for mastering keyboard skills is to ________. (a) play games faster (b) improve typing speed and accuracy (c) browse the internet (d) draw pictures
20. ________ processing involves taking raw data and converting it into meaningful information. (a) Data (b) Information (c) Computer (d) System
21. Which type of computer is commonly used in scientific laboratories for complex calculations? (a) Analog (b) Digital (c) Hybrid (d) Mechanical
22. Which of the following is a common use of computers in an office environment? (a) Monitoring vital signs (b) Conducting online exams (c) Managing payroll (d) Operating ATMs
23. The correct step in dragging an item on the screen with a mouse is to click, ________, and then release. (a) double-click (b) hold and move (c) right-click (d) scroll
24. All of these are advantages of computers except ________. (a) communication (b) speed (c) addiction (d) accuracy
25. The part of the computer responsible for executing instructions and performing calculations is called the ________. (a) monitor (b) keyboard (c) processor (d) printer
26. Which of these is NOT a function of the Enter key on a keyboard? (a) Executing commands (b) Starting a new paragraph (c) Inserting a space (d) Confirming input
27. Which of these is not a pointing device? (a) Mouse (b) Keyboard (c) Trackball (d) Touchpad
28. An example of a computer application in hospitals is ________. (a) preparing financial reports (b) creating graphic designs (c) maintaining patient records (d) managing supermarket inventory
29. The main reason for using computers in the banking sector is to ________. (a) provide entertainment (b) facilitate fast and secure transactions (c) design buildings (d) create artworks
30. ________ computers combine the features of both analog and digital computers. (a) Mixed (b) Hybrid (c) Combined (d) Integrated
31. The process by which a computer takes raw data and transforms it into useful information is known as ________. (a) data storage (b) data retrieval (c) data processing (d) data input
32. Which of the following describes a disadvantage of excessive computer use? (a) Improved communication (b) Eye strain (c) Increased knowledge (d) Faster work
33. The correct step in performing a right-click action with a mouse is to press the ________ mouse button once. (a) left (b) middle (c) right (d) any
34. All of these are applications of computers in schools except ________. (a) record keeping (b) research (c) teaching aids (d) surgical operations
35. The key used to capitalize letters when pressed along with an alphabet key is the ________ key. (a) Alt (b) Ctrl (c) Shift (d) Tab
36. Which is NOT a characteristic of a digital computer? (a) Processes discrete data (b) High accuracy (c) Represents data as continuous signals (d) Versatile for general purpose tasks
37. Which of these is not an advantage of computer usage? (a) Speed (b) Accuracy (c) Unemployment (d) Reliability
38. An example of a computer application in an office is ________. (a) patient monitoring (b) managing student admissions (c) creating presentations (d) controlling factory robots
39. The main reason for developing different types of computers (analog, digital, hybrid) is to ________. (a) make them more expensive (b) meet specific application needs (c) make them look different (d) confuse users
40. Maintaining a correct posture while typing on a keyboard helps to prevent ________. (a) faster typing (b) wrist and back pain (c) computer viruses (d) software errors

SECTION B: THEORY (30 Marks)
Instruction: Answer any THREE questions.

1. (a) Define computer processing. (2 marks)
(b) List four (4) importance of computer processing. (3 marks)
(c) State three (3) applications of computers in banks. (3 marks)
(d) Give two (2) disadvantages of using computers. (2 marks)

2. (a) Differentiate between Analog and Digital computers. (2 marks)
(b) State three (3) characteristics of a Hybrid computer. (3 marks)
(c) Mention three (3) specific uses of computers in schools. (3 marks)
(d) What is a pointing device? Give one example. (2 marks)

3. (a) Explain what is meant by “keyboard mastery”. (2 marks)
(b) List three (3) common mouse techniques. (3 marks)
(c) State three (3) advantages of using computers in our daily lives. (3 marks)
(d) Give two (2) applications of computers in hospitals. (2 marks)

4. (a) Identify two (2) types of computers based on data representation. (2 marks)
(b) Describe three (3) ways computers are used in an office environment. (3 marks)
(c) Explain why it is important to maintain a good posture while using a keyboard. (3 marks)
(d) State two (2) disadvantages of over-reliance on computers. (2 marks)

Objective Marking Scheme

Question 1 – ✅ (b) Analog
Question 2 – ✅ (c) ATM transactions
Question 3 – ✅ (b) output
Question 4 – ✅ (c) job displacement
Question 5 – ✅ (c) pointing
Question 6 – ✅ (c) Supercomputer
Question 7 – ✅ (c) Performing surgical operations
Question 8 – ✅ (c) Backspace
Question 9 – ✅ (b) efficient patient management
Question 10 – ✅ (b) Digital
Question 11 – ✅ (b) word processing
Question 12 – ✅ (d) All of the above
Question 13 – ✅ (b) twice quickly
Question 14 – ✅ (c) data corruption
Question 15 – ✅ (b) hybrid
Question 16 – ✅ (c) Increased productivity
Question 17 – ✅ (c) Mouse key
Question 18 – ✅ (c) creating student timetables
Question 19 – ✅ (b) improve typing speed and accuracy
Question 20 – ✅ (a) Data
Question 21 – ✅ (c) Hybrid
Question 22 – ✅ (c) Managing payroll
Question 23 – ✅ (b) hold and move
Question 24 – ✅ (c) addiction
Question 25 – ✅ (c) processor
Question 26 – ✅ (c) Inserting a space
Question 27 – ✅ (b) Keyboard
Question 28 – ✅ (c) maintaining patient records
Question 29 – ✅ (b) facilitate fast and secure transactions
Question 30 – ✅ (b) Hybrid
Question 31 – ✅ (c) data processing
Question 32 – ✅ (b) Eye strain
Question 33 – ✅ (c) right
Question 34 – ✅ (d) surgical operations
Question 35 – ✅ (c) Shift
Question 36 – ✅ (c) Represents data as continuous signals
Question 37 – ✅ (c) Unemployment
Question 38 – ✅ (c) creating presentations
Question 39 – ✅ (b) meet specific application needs
Question 40 – ✅ (b) wrist and back pain