Open up the computer and meet the parts that make it work — from the motherboard, CPU and RAM inside the case to the keyboards, printers and routers outside it. Then take one apart yourself with the interactive parts explorer.
By the end of this session, you should be able to:
Identify the major hardware components of a computer.
Explain the functions of each hardware component.
Differentiate between internal and external hardware devices.
Compare different storage devices and memory types.
Demonstrate proper handling and care of computer hardware.
Hardware is the physical body of the computer. Before we name every part, let's see how they're grouped and how they team up with software.
Computer hardware is any physical part of a computer system — the pieces you can see and touch, like the monitor, keyboard, motherboard and the chips inside the case. Hardware provides the "muscles" that carry out the instructions given by software. Without hardware, software has nothing to run on; without software, hardware doesn't know what to do. Why it matters: knowing your hardware helps you choose the right computer, upgrade it, fix common problems, and understand how everything you do on a computer actually happens.
Think of a band: hardware is the instruments, software is the sheet music, and your data is the song. When you click "print", software sends instructions through the processor (hardware), which tells the printer (hardware) what to do. Every action is a hand-off between physical parts and the instructions running on them — hardware and software are useless without each other.
List all the hardware devices you use daily and classify each one by category (Input, Output, Processing, Storage, or Communication). Write at least 300 words.
These live inside the case. Click any component to see what it looks like and what it does — then find them in the interactive Parts Lab below.
RAM (Random Access Memory) is fast, temporary memory for whatever the computer is working on right now — it's wiped when you switch off (volatile). ROM (Read-Only Memory) holds permanent start-up instructions built into the machine and is not erased at power-off (non-volatile). Both differ from storage (HDD/SSD), which permanently keeps your files and programs. Rule of thumb: RAM = short-term memory, storage = long-term memory, ROM = built-in instincts.
Head to the Parts Lab below and click each internal component to learn it, then use Test yourself mode to see if you can find each one by name. Your score becomes the graded Hardware Identification Activity.
These connect outside the case — the devices you touch and see every day. They fall into four families.
Sort each device as an Input, Output, Storage, or Communication device. Pick a category for every row, then press Check answers.
Explain the difference between internal and external hardware. Describe at least six devices (a mix of internal and external), giving the function of each. Write at least 300 words.
Click any part inside the case to learn what it is and what it does. Then hit Test yourself — your score is the graded Hardware Identification Activity you can submit to your instructor.
Hover to highlight, click to learn what each component is and what it does. Try to explore all 13 parts!
Hardware is delicate and static electricity can destroy it instantly. Follow these before touching any component:
The essential vocabulary of this module. Type to search.
Five questions, two points each. Pick an answer for instant feedback, then enter your name and submit. (The 10-pt Hardware Identification Activity is in the Parts Lab above.)
Choose one internal hardware component and write a research report of at least 600 words (≈ 2–3 pages). Pick your component below to see the required sections.
Every video from this module in one place.