Mock Exams SS3 Computer Hardware & GSM Repair Lesson Note

Subject: Computer Hardware and GSM Repair 

Class: SS3

Topic: Review of Past WAEC/NECO ICT-Related Papers

The “Final Rehearsal”

The Mock Exam is not your enemy; it is your best friend. Think of it as a “Full Dress Rehearsal” before the main WAEC or NECO show. By studying past questions, you aren’t just memorizing answers—you are learning the patterns of the examiners.

Examiners often repeat concepts because some topics are the “pillars” of ICT. If you can master these patterns, you won’t be surprised when you open your question paper on exam day.

Understanding the Question Structure

WAEC and NECO usually divide the paper into three main parts. You must manage your time across all three:

• Section A (Objectives): 40 to 50 multiple-choice questions. These test your speed and basic knowledge of definitions and symbols.
• Section B (Theory/Essay): This requires you to explain “How” and “Why.” You must use technical terms correctly here.
• Section C (Practical/Alternative to Practical): This is where they ask you to identify tools, troubleshoot a circuit, or write a simple piece of code/formula.

High-Frequency Topics (The “Must-Knows”)

Based on the last 10 years of past papers, these topics appear almost every single year:

1. Computer Hardware & Maintenance:

• Input/Output Devices: Be ready to distinguish between a “Scanning” device and a “Pointing” device.
• Storage Units: Understand the difference between Primary (RAM) and Secondary (Hard Drive/SSD) storage.
• Internal Components: You must be able to identify the CPU, Motherboard, and CMOS battery.

1. Networking & Internet:

• Network Topologies: Draw and explain Star, Bus, and Ring networks.
• IP Addressing: Know what an IP address looks like (e.g., 192.168.1.1).
• Protocols: What do HTTP, FTP, and SMTP stand for? (Web, File Transfer, and Email).

1. Data Processing & Software:

• Spreadsheets (Excel): You will almost certainly be asked to write a formula (e.g., =SUM(A1:A10) or =AVERAGE(B2:B5)).
• Database (Access): Understand “Primary Keys” (the unique ID for a record).
• Word Processing: Know the shortcut keys (Ctrl+S, Ctrl+C, Ctrl+V).

GSM & Technical Vocational Questions

For students taking technical electives, the examiners focus on your “Hand-on” logic:

• Tools Identification: They will show a picture of a Multimeter, a Soldering Iron, or a Blower (Hot Air Station) and ask you what it does.
• Safety Symbols: Identify the signs for “High Voltage,” “Anti-static zone,” or “Flammable Material.”
• Fault Diagnosis: A common question is: “A phone is charging but the percentage is not increasing. List three possible causes.” (Answer: Bad battery, faulty charging IC, or a fake charging cable).

How to Answer Like a Pro

Sometimes a student knows the answer but writes it in a way that loses marks. Follow these exam “hacks”:

1. Be Specific: Instead of saying “The computer broke,” say “The Operating System failed to boot due to a corrupted registry.”
2. Use Diagrams: If a question asks you to describe a network, draw it! Even if they didn’t ask for a drawing, a neat diagram earns you “bonus” respect from the marker.
3. Bullet Points: In the theory section, don’t write long stories. Use bullet points like this:
   1. Step 1: Open the system unit.
   2. Step 2: Locate the RAM slots.
   3. Step 3: Press the clips to release the RAM.
4. Keyword Focus: Markers look for “Keywords.” If the question is about security, ensure you use words like Encryption, Firewall, or Antivirus.

Final Mock Checklist

Before you walk into the hall, make sure you can answer these “Classic” questions from past papers:

• Define a Computer Virus and list two ways to prevent it.
• What is the difference between System Software (Windows) and Application Software (WhatsApp)?
• Explain the term “Electronic Mail” (E-mail) and list two advantages over traditional post.
• Convert the decimal number 10 into Binary (Answer: 1010).

Summary

Past papers are like a map. If you follow them, you won’t get lost. The Mock Exam is your chance to make mistakes now so you don’t make them in the final WAEC/NECO. Take every question seriously, keep your diagrams neat, and always read the instructions twice before you start writing.

Review & Practical Activity

1. Open a past ICT paper. Pick one “Theory” question and try to answer it using only bullet points and one diagram.
2. Why do examiners ask you to define a “Primary Key” in a database?
3. Practice converting your age from a decimal number into a binary number.
4. If a question asks you to “List 4 types of Printers,” can you name them and explain which one is the fastest?