Feeling the pressure for your WAEC Data Processing exam? You are in the right place.
Let’s be real, Data Processing can be a tricky subject. One minute you are trying to remember the difference between LAN and WAN, the next you are staring at an SQL query wondering what it all means. With topics like databases, networking, and spreadsheets, it’s a lot to keep in your head.
But what if you could walk into that exam hall feeling prepared and confident? That’s exactly what this guide is for. We have packed this page with common WAEC Data Processing past questions and answers to help you study smart. But we are not just giving you the answers to cram. We are breaking down the “why” behind each one, so you actually understand the concepts and can tackle any question they throw at you.
Are you ready for this? Let’s dive in.
WAEC Data Processing Exam Structure
Here is a simple breakdown of the WAEC Data Processing exam format:
The exam has two parts, Paper 1 and Paper 2, which you will write at the same time.
Paper 1: Objectives
- This paper has 40 multiple-choice questions.
- You must answer all of them.
- Time allowed: 1 hour.
- Total Marks: 40.
Paper 2: Essays and Practicals
This paper is divided into two sections.
Section A (Essay Questions):
- You will be given four essay questions and must answer any three.
- Time allowed: 1 hour.
- Total Marks: 30.
Section B (Practical Questions):
- This section tests your practical knowledge with two compulsory essay questions.
- You must answer both questions.
- Time allowed: 1 hour.
- Total Marks: 40.
WAEC Data Processing Past Questions And Answers 2025
1. (a) Explain the following terms:
(i) data processing:
(ii) data collation:
(1ai)
Data processing: Data processing is the act of collecting raw data and converting it into meaningful information through various methods such as organizing, analyzing, and storing.
(1aii)
Data collation: Data collation is the process of gathering and arranging data from different sources in a structured and logical order for easy reference or analysis.
1. (b) Describe Data Processing Cycle.
(i) Collection: Gathering raw data from various sources.
(ii) Input: Entering the collected data into the system.
(iii) Processing: Converting the input data into meaningful information.
(iv) Storage: Saving the processed data for future use.
(v) Output: Presenting the information in a usable format.
(vi) Distribution: Sharing the output with relevant users or systems.
1. (c) State four benefits of the computer as a tool for processing data.
(PICK FOUR ONLY)
(i) Speed in handling large volumes of data
(ii) High level of accuracy
(iii) Large storage capacity
(iv) Ability to automate repetitive tasks
(v) Versatility in performing different functions
(vi) Reliability in producing consistent results
(vii) Easy retrieval of stored information
(viii) Reduction in processing time and cost
4. (a) Differentiate between hackers and spammers.
Hackers are individuals who gain unauthorized access to computer systems or networks, often to steal data or cause damage.
WHILE
Spammers send unsolicited or irrelevant messages, usually in bulk, often for advertising or phishing purposes.
4. (b) State one importance of add-in in MS Excel.
(PICK ANY ONE)
(i) Enhances Excel functionality (e.g., advanced data analysis).
(ii) Automates repetitive tasks.
(iii) Provides specialized tools (e.g., Solver, Analysis ToolPak).
(iv) Integrates Excel with other software or systems.
(v) Supports custom formulas and functions.
(vi) Improves productivity with custom user interfaces.
4. (c) Explain the following terms in computing:
(i) Cookies: Small files stored on a user’s device by websites to remember information like login details or preferences.
(ii) Plugin: A software component that adds specific features to an existing computer program (e.g., video player plugin in a browser).
(iii) Web crawlers: Automated programs that browse the web to index content for search engines like Google.
More coming……
WAEC Data Processing Past Questions And Answers 2025
Question 1: Internet and Computer Maintenance
This question tests your knowledge of the internet’s practical uses and the different ways we keep computer systems running smoothly.
1. (a) State four benefits of Internet in Education.
1. (b) Explain the following types of maintenance in computing:
(i) corrective
(ii) adaptive
(iii) preventive.
2a. (i) Define the term file organization.
(ii) Group the following file organization attributes under the appropriate heading as shown below.
I. It does not support use of tapes
II. Records are inserted one after the other
III. It does not generate random keys to identify location
IV. It generates random key to identify locate
| S/NO | Sequence File Organization |
Indexed File Organization |
| 1 | ||
| 2 | ||
| 3 |
2b. (I) State two safety rules observed in a computer laboratory
(ii) List three internet browsers
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Kolade Kayode, known as Mr. KK, I am a Nigerian education blogger and founder of MasterWAEC.com. Passionate about student success, I simplifies WAEC exam preparation with accurate tips and resources to help students excel.
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