(c) List four other types of computer hardware devices in the same category as Figure 1:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ………………………………………………………………………………………………………..
(iv) ……………………………………………………………………………………………………….. [8 marks]
(d) State the basic function of the image identified as Figure 1:
……………………………………………………………………………………………………….. [2 marks]
(e) Identify and write in the appropriate order, the right home row keys of Figure 1:
……………………………………………………………………………………………………….. [2 marks]
(f) State three commonly used keys of Figure 1:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [4 marks]
Section B [36 marks]
Answer three questions only from this section.
(a) What is output in computing?
………………………………………………………………………………………………………..
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(b) List three forms of output from the computer system:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [3 marks]
(c) State three reasons why a user must perform backup:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [6 marks]
(a)Explain GUIas used in computing:
………………………………………………………………………………………………………..
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(b) State three features of GUI:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [6 marks]
(c) Outline three examples of a default folder:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [3 marks]
(a)Explain the following terms as used in Word processing:
(i) alignment
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(ii) paragraph
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
Outline three safety precautions for the responsible use of ICT tools:
(i) ………………………………………………………………………………………………………..
(ii) ………………………………………………………………………………………………………..
(iii) ……………………………………………………………………………………………………….. [6 marks]
(a)State the function of each of the following e-mail terminologies:
(i) log in
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(ii) log out
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(b) Describe what happens when the Tab key on a computer keyboard is pressed in an opened Microsoft Excel worksheet:
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
(c) What does the Microsoft Excel error message #### represent?
………………………………………………………………………………………………………..
……………………………………………………………………………………………………….. [3 marks]
1. To prevent data loss due to hardware failure or system crash.
2. To recover files after accidental deletion or corruption.
3. To protect data against viruses or malware attacks.
Explanation: Backups ensure data safety and continuity in case of unexpected events.
(b) Three features of GUI:
1. Icons and menus for easy navigation
2. Windows for multitasking and organizing applications
3. Use of pointing devices like a mouse for interaction
Explanation: These features make GUI user-friendly and intuitive compared to command-line interfaces.
(c) Outline three examples of a default folder:
1. Documents
2. Pictures
3. Downloads
Explanation: Default folders are created by the operating system to organize files for the user.
4(a) Explain the following terms as used in Word processing:
(i) Alignment:
Alignment refers to the positioning of text within a document relative to the page margins. Common types include left, right, center, and justified alignment.
Explanation: It determines how text lines up horizontally in a paragraph.
(ii) Paragraph:
A paragraph is a block of text that begins on a new line and usually expresses a single idea. In word processing, it is created by pressing the Enter key.
Explanation: Paragraphs help organize content and improve readability.
4(b) Outline three safety precautions for the responsible use of ICT tools:
1. Avoid eating or drinking near computers to prevent damage.
2. Ensure proper posture and take breaks to prevent health issues like eye strain or back pain.
3. Use surge protectors or UPS to protect equipment from power fluctuations.
Explanation: These precautions protect both the user and the ICT equipment from harm.
5(a) State the function of each of the following e-mail terminologies:
Log in means to enter a username and password to gain access to an email account or system.
Explanation: It authenticates the user and allows access to email services.
Log out means to exit an email account or system securely after use.
Explanation: It prevents unauthorized access and ensures account security.
5(b) Describe what happens when the Tab key on a computer keyboard is pressed in an opened Microsoft Excel worksheet:
When the Tab key is pressed in Excel, the active cell moves one column to the right within the same row.
Explanation: It is used for navigating horizontally across cells.
5(c) What does the Microsoft Excel error message #### represent?: The #### error in Excel means the column is too narrow to display the cell content (usually numbers or dates).
Explanation: Widening the column will make the content visible.
1. To prevent data loss due to hardware failure or system crash.
2. To recover files after accidental deletion or corruption.
3. To protect data against viruses or malware attacks.
Explanation: Backups ensure data safety and continuity in case of unexpected events.
(b) Three features of GUI:
1. Icons and menus for easy navigation
2. Windows for multitasking and organizing applications
3. Use of pointing devices like a mouse for interaction
Explanation: These features make GUI user-friendly and intuitive compared to command-line interfaces.
(c) Outline three examples of a default folder:
1. Documents
2. Pictures
3. Downloads
Explanation: Default folders are created by the operating system to organize files for the user.
4(a) Explain the following terms as used in Word processing:
(i) Alignment:
Alignment refers to the positioning of text within a document relative to the page margins. Common types include left, right, center, and justified alignment.
Explanation: It determines how text lines up horizontally in a paragraph.
(ii) Paragraph:
A paragraph is a block of text that begins on a new line and usually expresses a single idea. In word processing, it is created by pressing the Enter key.
Explanation: Paragraphs help organize content and improve readability.
4(b) Outline three safety precautions for the responsible use of ICT tools:
1. Avoid eating or drinking near computers to prevent damage.
2. Ensure proper posture and take breaks to prevent health issues like eye strain or back pain.
3. Use surge protectors or UPS to protect equipment from power fluctuations.
Explanation: These precautions protect both the user and the ICT equipment from harm.
5(a) State the function of each of the following e-mail terminologies:
Log in means to enter a username and password to gain access to an email account or system.
Explanation: It authenticates the user and allows access to email services.
Log out means to exit an email account or system securely after use.
Explanation: It prevents unauthorized access and ensures account security.
5(b) Describe what happens when the Tab key on a computer keyboard is pressed in an opened Microsoft Excel worksheet:
When the Tab key is pressed in Excel, the active cell moves one column to the right within the same row.
Explanation: It is used for navigating horizontally across cells.
5(c) What does the Microsoft Excel error message #### represent?: The #### error in Excel means the cell cannot contain data.
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