Getting ready for WAEC or NECO Computer Studies? You’re in the right place. This post highlights 10 likely computer studies questions and answers drawn from important syllabus topics such as ICT, data processing, computer hardware, software, and security.
In addition, each question comes with options and detailed explanations to help you study smarter and perform better in the exam.
Question 1: Steps Involved in Data Conversion
Which of the following is NOT a step involved in data conversion?
A. Input
B. Processing
C. Output
D. Storage
Answer: D. Storage
Explanation:
There are three main stages in data conversion — input, processing, and output. Although storage is useful for keeping data, it does not form part of the actual conversion process. Consequently, the correct answer is “storage.”
Question 2: Functions of an Operating System
Which of the following is NOT a function of an operating system?
A. Managing computer resources
B. Controlling input and output
C. Formatting documents
D. Scheduling processes
Answer: C. Formatting documents
Explanation:
The operating system handles files, processes, and resource management. However, formatting documents is the role of application software such as Microsoft Word. Therefore, the OS focuses on system control rather than document design.
Question 3: Examples of Application Software
Which of these is an example of application software?
A. Disk Operating System (DOS)
B. Microsoft Word
C. BIOS
D. Linux Kernel
Answer: B. Microsoft Word
Explanation:
Application software helps users perform specific tasks like writing or data analysis. In contrast, DOS and BIOS are types of system software used to run the computer itself. Moreover, application software depends on the system software to function correctly.
Question 4: Components of a Computer System
Which of the following is NOT a basic component of a computer system?
A. Hardware
B. Software
C. Humanware
D. Power Supply
Answer: D. Power Supply
Explanation:
A computer system consists of hardware, software, and humanware. While power supply is important for operation, it is not considered a structural component of the system. Additionally, these three core components must work together for efficiency.
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Question 5: Meaning and Importance of ICT
What does ICT stand for?
A. Information and Computer Technology
B. Information and Communication Technology
C. Internet and Communication Training
D. Information Control Terminal
Answer: B. Information and Communication Technology
Explanation:
ICT combines computing and telecommunication technologies to manage information effectively. It supports activities such as learning, business, and communication. Furthermore, ICT has become vital for national development and innovation in education.
Question 6: Difference Between Data and Information
Which statement best defines the difference between data and information?
A. Data and information are the same
B. Data is processed information
C. Data is raw fact while information is processed data
D. Information is always numeric
Answer: C. Data is raw fact while information is processed data
Explanation:
Raw facts or figures represent data, while processed data becomes meaningful information. For example, a list of students’ scores is data; the computed class average represents information. As a result, information enables better decisions and understanding.
Question 7: Common Input Devices
Which of the following is NOT an input device?
A. Mouse
B. Keyboard
C. Printer
D. Scanner
Answer: C. Printer
Explanation:
A printer outputs data onto paper and, therefore, is an output device. On the other hand, keyboards, mice, and scanners feed data into the computer. In summary, input devices collect data, while output devices display the results.
Question 8: Computer Viruses and Prevention
Which of the following can help prevent computer virus infection?
A. Opening unknown attachments
B. Using antivirus software
C. Ignoring updates
D. Installing cracked programs
Answer: B. Using antivirus software
Explanation:
Installing trusted antivirus software protects your system from malware. In addition, regularly updating programs and avoiding suspicious downloads greatly reduces infection risks. Therefore, users must combine security habits with reliable antivirus tools.
Question 9: Importance of Data Backup
Why is data backup important?
A. It reduces system speed
B. It helps recover lost files
C. It increases electricity usage
D. It deletes old files
Answer: B. It helps recover lost files
Explanation:
Regular data backups protect valuable files from accidental loss, system failure, or cyberattacks. Moreover, cloud storage provides convenient access to backups anytime. Consequently, maintaining backups is essential for safety and business continuity.
Question 10: Characteristics of a Good Computer
Which of these is NOT a characteristic of a good computer system?
A. Accuracy
B. Speed
C. Tiredness
D. Reliability
Answer: C. Tiredness
Explanation:
Computers do not get tired or distracted like humans. Instead, they perform tasks quickly, accurately, and consistently. Therefore, reliability, speed, and precision are considered the key traits of a good computer system.
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Conclusion
In conclusion, practicing these WAEC and NECO Computer Studies questions will help you master important exam topics. As you revise, focus on understanding concepts instead of memorizing answers. Additionally, practice regularly with CBT platforms to build speed and confidence before the exam.
Keywords
- WAEC and NECO Computer Studies 2025
- WAEC Computer Studies Questions
- NECO Computer Studies Questions and Answers
- Computer Studies WAEC past questions
- NECO Computer Studies likely questions
Credit: Allschool, Allcbt
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