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3. Basic Computer Parts

3. Basic Computer Parts - WBBPE - Grade 1 - কম্পিউটার

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💻 Basic Computer Parts

📖 Chapter 3

💡 This Chapter Covers

Essential parts of the Computer:

  1. 🖥️ Monitor
  2. ⌨️ Keyboard
  3. 🖱️ Mouse
  4. 🧠 Central Processing Unit (CPU)

🧩 Introduction

The computer is a collection of different parts. These parts work together to perform various tasks.

The four basic parts of the computer are:

  • The Keyboard
  • The Monitor
  • The Mouse
  • The CPU

All these four basic parts together make up a Computer System.

📘 Page 20 | COMPUTER PART – 1

📝 EVALUATION TIME!

SUMMATIVE ASSESSMENT

A. Multiple Choice Questions

📌 Tick (✓) the correct options.

  1. Which one of the given parts displays the work done by the computer?

    • (i) Mouse
    • (ii) Keyboard
    • (iii) Monitor

  2. The CPU is always placed inside a box. This box is known as-

    • (i) UPC box
    • (ii) CPU box
    • (iii) UPS box

  3. Which one of the following is used to select various options on the monitor?

    • (i) Mouse
    • (ii) Monitor
    • (iii) Keyboard

B. Fill in the blanks with the help of clues given in the box.

Clues: Mouse, Monitor, CPU, Keyboard, Computer system

  1. CPU is called the brain of a computer.
  2. Mouse can be used to create drawings.
  3. Computer system is a device with four basic parts.
  4. Keyboard is used for typing on the monitor.
  5. Monitor displays the work done by the computer.

COMPUTER PART-1 (Page 25)

📝 Let's Learn About Computer Parts! 💻

C. Tick (✓) against the pictures with correct names and cross (x) against the wrong ones. 🤔

  • MOUSE (✓) - Correct! 🖱️
  • KEYBOARD (labelled as CPU (x)) - Incorrect! This is a Keyboard. ⌨️
  • MONITOR (✓) - Correct! 🖥️
  • CPU (labelled as CPU Box (x)) - Incorrect! This looks like a CPU chip, not the 'CPU Box' or cabinet. 🧠

D. Match the different computer parts with their correct definition. 🔗

  1. Keyboard ⌨️
    • (ii) It types numbers and letters and gives input to the computer. ✍️
  2. Monitor 🖥️
    • (iii) It displays the result. 👀
  3. Mouse 🖱️
    • (iv) It helps to draw pictures. 🎨
  4. CPU 🧠
    • (i) It is the brain of a computer. 💡

E. Answer the following questions. ❓

  1. Which part helps the computer to perform different functions quickly?

    Answer: CPU 🚀

  2. Which device is used to control the movement of the objects on the computer screen?

    Answer: Joystick 🎮

  3. Which part of the computer comprises of different keys?

    Answer: Keyboard 🔑

  4. Which part is used to increase or decrease the level of sound?

    Answer: Keyboard 🔊

✨ FORMATIVE ASSESSMENT ✨

🖥️ In the Computer Lab

A. Go to the computer lab and use different keys on the keyboard, such as Number and Letter Keys, Shift, Spacebar, Enter, Fullstop, Backspace, and Special keys, for typing the given paragraph in the computer. ⌨️

💡 Understanding the Computer The computer is made up of different parts. It performs many tasks. To avoid mistakes in tasks, the computer also needs a manager. A manager helps in adding, subtracting, multiplying or dividing numbers. For example, 3 + 4 = 7

B. Collect pictures of the different types of the monitors and paste them in your scrapbook. 🖼️

COMPUTER PART-1

💡 EVALUATION TIME 💡

📝 SUMMATIVE ASSESSMENT

A. ❓ Multiple Choice Questions

Tick (✓) the correct options.

  1. Compact Disc Read Only Memory means-

    • (i) CD-POM
    • (ii) CD-ROM
    • (iii) CD-ROR

  2. The hard disk is placed inside

    • (i) Monitor
    • (ii) CPU box
    • (iii) UPS

  3. The printer may print the work done, shown on

    • (i) Hard drive
    • (ii) Computer Screen
    • (iii) CD-ROM

B. ✍️ Fill in the blanks with the help of clues given in the box.

Clues: Scanner, Modem, Joystick, Web Camera, Printer

  1. .................. is a device used for controlling movement of the objects on the computer screen.
  2. .................. is used for getting connected with the Internet.
  3. .................. is used to scan pictures and store them in hard disc.
  4. .................. is used for getting printouts.
  5. .................. helps us to see our friends online.

COMPUTER PART-1 Page 33

⏰ EVALUATE ON TIME!

SUMMATIVE ASSESSMENT

A. Multiple Choice Questions 📝

Tick the correct (✓) options.

  1. A mouse is a computer part that is used for-

    • (i) printing
    • (ii) navigation ✅
    • (iii) scanning

  2. Single click is useful for-

    • (i) deleting the object
    • (ii) double the object
    • (iii) selecting an object ✅

  3. A mouse should always be placed on a-

    • (i) mouse pad ✅
    • (ii) table
    • (iii) book

B. Fill in the blanks with the help of clues given in the box. 💡

Clues: three, scroll wheel, eatable, arrow, double

  1. Double click is used to open a stored file in the computer.
  2. A mouse has three buttons.
  3. A mouse may have scroll wheel instead of the middle button.
  4. We should not place eatable items on the computer table.
  5. A mouse pointer is an arrow.

C. Write 'T' for true and 'F' for false statements. ✅❌

  1. The mouse always has three buttons on it. F
  2. The index finger is used for pressing the right button of mouse. F

Page 40 - COMPUTER PART-1

Computer Basics: Mouse Operations 🖱️

  1. Releasing the mouse button is called dragging. (F)
  2. Moving an object from one place to another on the computer screen is called dropping. (T)
  3. We do not use middle finger to hold a mouse. (T)

D. Answer the following questions. 🤔

  1. Which should be used to keep a mouse? A mouse pad should be used to keep a mouse. 🐭
  2. Name the two types of clicking. Single and double clicking. 👆✌️
  3. What is single clicking? Single clicking means pressing and holding the mouse button once. (Note: Standard single clicking is usually a quick press and release, but this is what is written.)
  4. What is 'dragging' of mouse? Dragging means holding down the mouse button while moving the mouse. Usually to move an item on the screen. ↔️
  5. How many buttons does a mouse have? Three buttons. (Often refers to left, right, and scroll wheel which acts as a button).

📝 FORMATIVE ASSESSMENT

🧪 In the Computer lab

Go to the computer lab. Ask for permission from your computer teacher to carefully observe the different types of mice. Now draw their pictures on a computer notebook and ask your teacher about the differences between each type. 🎨👨‍🏫

COMPUTER PART-1 | Page 41

🖥️ MONITOR

This is a Monitor.

  • 💡 A monitor looks like a television screen.
  • ⌨️ Any task performed using the keyboard or the mouse is displayed on the monitor.
  • 🎬 We can enjoy watching movies on the monitor.

🧐 Computer Manners

⚠️ To prevent overheating, we should never cover the fan openings of the CPU box. Similarly, never cover the air openings of the monitor.

⌨️ KEYBOARD

This is a keyboard.

  • The keyboard is made up of many small buttons called Keys.
  • There are different keys for numbers, alphabets, symbols and signs.
  • Some keys are used as shortcut keys.
  • Using these keys we can type numbers and letters, and give input to the computer.
  • Besides giving input, the keyboard is also used to increase or decrease the level of sound.

💡 Good to Know

📌 Any data or instruction you feed to a computer system is called Input.

🖱️ MOUSE

This is a Mouse.

  • A mouse is used to input the data. It has either two or three buttons.

COMPUTER PART-1

🖱️ The Mouse

  • A mouse is a pointing device. It moves the pointers on the computer screen.
  • We can enjoy playing games by using a mouse.
  • We can draw and colour pictures by using a mouse.
  • Using a mouse, we can select various options on the monitor.
  • We can also select and open any folder or file on the monitor with the help of a mouse.

🧠 The CPU (Central Processing Unit)

This is a CPU.

💡 CPU stands for Central Processing Unit.

  • It is known as the brain of a computer.
  • It helps the computer to perform different functions quickly and easily.

COMPUTER PART-1

All the other parts of the computer are connected to the CPU through cables and wires. 🔌 The CPU is always placed inside a box. This box is known as the CPU box.

🧠 Let us Recollect

  • A computer has many parts such as the monitor, the keyboard, the mouse, and the CPU.
  • The monitor displays the work done by the computer. 🖥️
  • The CPU is the brain of a computer. 💡
  • The CPU is placed inside the CPU box.
  • The keyboard is used to give input to a computer. It is also used for typing on the computer. ⌨️
  • The mouse is used to move the pointer on the computer screen. We can select a file or folder using a mouse. 🖱️

📚 Word Bank

  • Monitor: looks like a television screen and displays the work done by the computer.
  • Central Processing Unit: brain of a computer that helps in performing different functions.
  • Keyboard: a device comprised of different keys.
  • Mouse: a device used to control the movement of the objects on the computer screen.

Page 24 - COMPUTER PART-1

C. Tick (✓) against the pictures with correct names and cross (✗) against the wrong ones. 🎯

  • 🐭 MOUSE (✓)
  • ⌨️ CPU (✗) Incorrect, this is a Keyboard
  • 🖥️ MONITOR (✓)
  • 🧠 CPU Box (✗) Incorrect, this is a CPU chip

D. Match the different computer parts with their correct definition. 🧩

  1. Keyboard ➡️ (ii) It types numbers and letters and gives input to the computer.
  2. Monitor ➡️ (iii) It displays the result.
  3. Mouse ➡️ (iv) It helps to draw pictures.
  4. CPU ➡️ (i) It is the brain of a computer.

E. Answer the following questions. ❓

  1. Which part helps the computer to perform different functions quickly?
    • Answer: CPU 🧠
  2. Which device is used to control the movement of the objects on the computer screen?
    • Answer: Joystick 🕹️
  3. Which part of the computer comprises of different keys?
    • Answer: Keyboard ⌨️
  4. Which part is used to increase or decrease the level of sound?
    • Answer: Keyboard (as per handwritten answer, though typically speakers or volume controls are used) 🔊

FORMATIVE ASSESSMENT

💻 In the Computer Lab

A. Practical Task: Master Your Keyboard! ⌨️

Go to the computer lab and practice typing! Use different keys on the keyboard, such as Number and Letter Keys, Shift, Spacebar, Enter, Fullstop, Backspace, and other Special keys, to type the given paragraph.

📌 Understanding the Computer The computer is made up of different parts. It performs many tasks. To avoid mistakes in tasks, the computer also needs a manager. A manager helps in adding, subtracting, multiplying or dividing numbers. For example, 3 + 4 = 7.

B. Creative Task: Monitor Exploration! 🖥️

Collect pictures of different types of monitors and paste them into your scrapbook.

Part of: COMPUTER PART-1

CONTENT MANAGER

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