GRADE 7 TOPICAL REVISION QUESTIONS.

COMPUTER SCIENCE.

STRAND 1: FOUNDATION OF COMPUTER SCIENCE

ASSESSMENT TASK 1 

1. Define the following terms 

1. Computer 
2. Data 
3. Information 
4. Input 
5. Processing
6. Explain five areas where computers are applied in day to day life. 
7. Why is data processing referred to as a cycle? 
8. Briefly describe how computers are applied in 
9. Education 
10. Home 
11. School 
12. Community 

ASSESSMENT TASK 2 

1. Name the first mechanical computer developed in Asia  2. Who developed the Analytical Engine and Difference Engine? 

• List three examples of electronic devices. 
• Write the evolution stages of the following computing devices 
• Slide rule 
• La pascaline  
• Laptop 

5. Explain how the following computer were used. 

1. Punched card 
2. mark 1 
3. ATM 

ASSESSMENT TASK 3 

1. What was the technology used by second-generation computer? 
2. ROM and RAM are examples of ___ memories. 
3. EDVAC and UNIVAC are examples of ___ Generations computers. 
4. Give an example of fourth Generation computers. 
5. Write characteristics of first generation computers. 

ASSESSMENT TASK 4 

1. Differentiate between a special purpose computer and an embedded computer. 
2. Briefly explain how different types of computers are used. 
3. What are analog computers? Give examples. 
4. What are hybrid computers? Give examples. 
5. What are dedicated computers? 

ASSESSMENT TASK 5 

1. Practise on how to hold a mouse. Write the steps out holding a mouse. 
2. Identify various keys on a computer keyboard. 
3. Identify other types of keyboard that do not use the QWERTY keyboard layout. 
4. Use internet to search for pictures of various keyboards on the internet.
5. Practise typing to attain a fast typing speed of about 65 words per minutes (wpm) 

ASSESSMENT TASK 6 

1. Mention the use of computer system in the following sectors 

• Education 
• Communication 
• Government 
• Manufacturing 
• Healthcare 
• What is a computer system? 
• List the components of a computer system. 
• Explain the importance of computer system in society. 
• Draw a well labelled diagram showing the linkage among the components of a system. 

ASSESSMENT TASK 7 

1. Draw the following hardware devices floppy disk. 

• Floppy disk 
• Random Access memory 
• Joy stick 
• Digital versatile disk (DVD) 
• Flask disk 
• List five examples of input devices. 
• List five examples of output devices. 
• Discuss the differences between Hardcopy and soft copy.
• List the advantages and disadvantages of both types of output.

ASSESSMENT 8

1. Name the types of computer cable in computer system.
2. Why do computer systems have ports?
3. Practised how to connect cables to their corresponding ports in computer system.

ASSESSMENT TASK 9 

1. How do you set up a computer? State the steps. 
2. List computer devices that can be connected to a USB port. 
3. State four challenges that people face while setting up a computer system. 

• Mention some precautions to observe when setting up a computer system. 
• Suggest ways to overcome the challenges you have stated above. 

Grade 7 (JSS) Computer Studies Topical Questions

STRAND 2: COMPUTERS AND SOCIETY

ASSESSMENT TASK 10 

1. The technology that uses fingerprints and eye scan for security access is referred to as ____
2. What is computer security? 
3. What physical threats have you encountered when using computers? 
4. Explain the meaning of UPS? 

5 What are the functions of UPS? 

ASSESSMENT TASK 11 

1. Why is your health at risk when using a computer? 
2. How can users minimise health complications associated with the use of computer? 

ASSESSMENT TASK 12 

1. Discuss the correct sitting posture while working on a computer. Include the following in your description  (a) Head 

• Eyes 
• Back 
• Lighting 
• Arms
• What is RSI? 
• List three symptoms of RST. 
• Mention ways to preventing the occurrence of RSI while working with computers? 
• State an activity that can result in repetitive stress injury. 

ASSESSMENT TASK 13 

1. Differentiate between data threat and data security. 
2. List three threats of data and how to control them. 
3. Give three causes of data corruption. 
4. Explain four threats to data stored in a computer. 
5. Explain the following terms in relation to data security 
6. Backup 
7. Virus 
8. Firewall 
9. Password 
10. Data logs 
11. PIN 

ASSESSMENT TASK 14 

1. Discuss threats that anyone who uses the computer and the internet is likely to experience. 

• Write a short paragraph about the crime of gaining money or property on the internet by using trickery. 

• Describe some safety measures to observe when using the internet. 

• List five examples of online threats. 

• Give two examples of online safety measures that you should practise. 

ASSESSMENT TASK 15

1. Evaluate your online activities. List down all the safety precautions that you practise while using social media sites. 
2. Describe the characteristics of personal and sensitive data. 
3. Give examples of personal and sensitive data. 
4. List ways in which theft of online identify can be prevented. 
5. Why do you post personal information online? 

Grade 7 (JSS) Computer Studies Topical Questions

STRAND 3: COMPUTER NETWORKS

ASSESSMENT TASK 16 

1. What is computer network? 
2. What precautions should you observe when using a networked computer? 
3. Explain two challenges that could affect a school computer. 
4. What are the steps of connecting to Wi-Fi network? 
5. What are guidelines for using public Wi-Fi? 

ASSESSMENT TASK 17 

1. Explain the importance of WWW as used in computer networks. 
2. Use the internet to identify the we browser represented by the following pictures. 
3. Identify the features of a web browser.
4. Describe how to use a web browser to locate resource in the www. 
5. Write the following in full as used with the internet. 
6. WWW 
7. URL 
8. HTIM 
9. HTML 

STRAND 4: COMPUTER PROGRAMMING

ASSESSMENT TASK 18 

1. Which game programs are available in your computer? 
2. How do you launch calculator program 
3. Name a computer program you can use to listen to music. 
4. Name a computer program you can use to watch a video. 
5. Explain the following terms. 
6. Programming 
7. Program 
8. Computer program 
9. Programmer 

ASSESSMENT TASK 20 

1. List three examples of visual programming languages. 
2. Outline the procedure for launching a visual programming language that you have practiced. 
3. Document the procedure in a word processing program. 
4. Share the outlined procedure with others through email. 
5. The picture below shows a scratch window. Study it. Explain why scratch is referred to as a visual Programing language. 

ASSESSMENT TEST 21 

1. Practise how to launch and run a visual programming language of your choice until you master it. 
2. What are functions of? 
3. Hat block 
4. Stack or command block 
5. Cap Block 
6. Reporter (function) block 
7. Command Block 
8. Boolean Block 
9. Discuss the functions of the features of scratch. 
10. What are advantages of visual programming language? 
11. Write the feature of visual Programming.