Lesson 5 — Types of Computers | Answer Key
🧠 Check Your Knowledge
You have completed Lesson 5 — Types of Computers and its Knowledge Evaluation. Now it is time to check your answers and, more importantly, understand why each answer is correct.
Use this Answer Key to identify what you already understand and what you may need to review before continuing.
✅ Question 1
Which type of computer is generally designed to remain in a fixed location and is often relatively easy to upgrade?
Correct Answer: B. Desktop computer
Why is this correct?
Desktop computers are normally designed to remain in a fixed location, such as a home, office, school, or laboratory. Their larger cases and modular designs often make components such as RAM, storage drives, graphics cards, and power supplies easier to access, replace, or upgrade.
✅ Question 2
What is one of the defining advantages of a laptop computer?
Correct Answer: C. It combines computing components with portability and battery operation.
Why is this correct?
A laptop integrates essential components—including the display, keyboard, processor, memory, storage, and battery—into a portable system. Its rechargeable battery allows it to operate temporarily without being connected directly to an electrical outlet.
✅ Question 3
Which type of computer is most appropriate for demanding professional workloads such as 3D modeling, CAD, or engineering applications?
Correct Answer: A. Workstation
Why is this correct?
Workstations are designed for demanding professional applications that may require powerful processors, large amounts of RAM, advanced graphics capabilities, high-speed storage, and other specialized hardware.
✅ Question 4
What is the primary role of a server?
Correct Answer: B. To provide resources or services to other systems and users
Why is this correct?
Servers provide resources, data, applications, or services to other computers and users over a network. They can host websites, databases, shared files, applications, authentication services, backups, and many other organizational resources.
✅ Question 5
Why are smartphones considered computers?
Correct Answer: C. Because they can accept input, process data, produce output, store information, and execute software
Why is this correct?
Although smartphones look very different from traditional PCs, they perform the same fundamental computing functions. They accept input, process information, produce output, store data, and execute instructions through software and applications.
This is an important concept:
A computer is defined primarily by what it does—not by what it looks like.
✅ Question 6
Which is the best example of an embedded computer?
Correct Answer: C. A control system built into a washing machine
Why is this correct?
An embedded computer is incorporated into another device or system to perform specific functions. The computer inside a washing machine can control functions such as water levels, temperature, timing, motor operation, and washing cycles without behaving like a general-purpose PC.
✅ Question 7
Mainframe computers are particularly well suited for:
Correct Answer: A. Large-scale transaction and enterprise data processing
Why is this correct?
Mainframes are designed to handle very large volumes of data and transactions reliably while supporting many users and applications. This makes them particularly valuable to organizations such as banks, governments, insurance companies, and large corporations.
✅ Question 8
What is a supercomputer primarily designed for?
Correct Answer: B. Extremely intensive computational workloads
Why is this correct?
Supercomputers combine enormous computing resources to perform extremely complex calculations at very high speeds. They are used for demanding applications such as scientific simulations, weather modeling, physics research, engineering, artificial intelligence research, and large-scale data analysis.
✅ Question 9
Why does identifying the type of computer matter to an IT support technician?
Correct Answer: B. Because the type of system affects its hardware, purpose, possible problems, and troubleshooting approach
Why is this correct?
Different computer types have different designs, components, operating environments, purposes, and failure points.
For example, troubleshooting a desktop that will not power on may involve checking its internal power supply, while a laptop introduces additional possibilities such as its battery or AC adapter. A server problem may affect many users simultaneously and require a completely different response.
Identifying the computer type helps establish the correct troubleshooting context.
✅ Question 10
A company needs a system that provides a shared application to many employees over a network. Which computer type is most appropriate?
Correct Answer: A. Server
Why is this correct?
A server is specifically designed to provide resources and services to other systems and users over a network. Hosting a shared business application for multiple employees is a classic example of a server role.
📊 Check Your Progress
Give yourself 1 point for each correct answer.
Maximum Score: 10 points
| Score | Result |
|---|---|
| 8–10 | 🟢 Excellent Foundation |
| 6–7 | 🟡 Passing |
| 0–5 | 🔴 Review Recommended |
If you scored 0–5, return to Lesson 5 — Types of Computers, review the concepts that caused difficulty, and repeat the Knowledge Evaluation.
← Review Lesson 5 — Types of Computers
If you scored 6–10, you have demonstrated the foundation needed to move forward.
🚀 Ready to Continue?
You now understand that computers come in many forms—from desktops and laptops to servers, embedded systems, mainframes, and supercomputers—and that each type is designed around different requirements.
But identifying the different types of computers is only the beginning.
The next step is to recognize where computing actually exists in the world around you.
Computers support communication, education, healthcare, transportation, banking, entertainment, business, industry, smart homes, and countless everyday activities. Some are obvious. Others operate almost invisibly behind the systems people depend on every day.
In Lesson 6 — Computers in Everyday Life, you will explore how computers have become deeply integrated into modern life and begin seeing everyday technology from the perspective of an IT professional.
→ Continue to Lesson 6 — Computers in Everyday Life
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