Business Studies - Junior Secondary 1 - Parts of computer keyboard

TERM: 3^RD TERM

WEEK FIVE

Class: Junior Secondary School 1

Age: 12 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BUSINESS STUDIES

Topic: PARTS OF COMPUTER KEYBOARD

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Meaning of Computer Keyboard

II.) Mention the used of the Parts of Computer Keyboard

 III.) Identify the Points of a Computer Keyboard

 IV.) Identify the similarities between the typewriter and Computer Keyboard

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

PART OF COMPUTER KEYBOARD

A computer keyboard is an input device used to enter data and commands into a computer or other electronic device. It consists of keys arranged in a specific layout that corresponds to letters, numbers, symbols, and functions. Keyboards can be either wired or wireless and are essential for typing text, navigating software interfaces, and executing commands.

Uses of the Parts of Computer Keyboard

1. Alphanumeric Keys (Letters and Numbers): Used for typing letters, numbers, and special characters.
2. Function Keys (F1 to F12): Provide quick access to specific functions within software applications, such as help, save, print, and more.
3. Navigation Keys (Arrow Keys): Used to move the cursor or selection up, down, left, or right within documents or interfaces.
4. Numeric Keypad: Located on the right side (or integrated into the main keys on laptops), used for numerical input and calculations.
5. Modifier Keys (Shift, Ctrl, Alt): Modify the function of other keys, allowing for uppercase letters, shortcuts, and system commands.
6. Enter/Return Key: Initiates commands or confirms inputs, such as starting a new line or executing a command.
7. Spacebar: Inserts a space between words or elements in text, essential for typing and formatting.

Points of a Computer Keyboard

The main points or components of a computer keyboard include:

1. Layout: The arrangement of keys in a specific pattern, such as QWERTY, AZERTY, or DVORAK.
2. Keycaps: Individual physical keys that are pressed to input characters or commands.
3. Switches: Mechanisms under each keycap that register when a key is pressed, determining the feel and responsiveness of typing.
4. Connectivity: How the keyboard connects to the computer, typically via USB, Bluetooth, or other wireless technologies.
5. Additional Features: Includes multimedia keys, backlighting, ergonomic designs, and programmable keys for customization.

Similarities between the Typewriter and Computer Keyboard

1. QWERTY Layout: Both typewriters and computer keyboards often use the QWERTY layout, which arranges keys in a specific order originally designed to prevent jamming in mechanical typewriters.
2. Function of Keys: Both devices have keys for typing letters, numbers, and symbols, as well as special keys for functions like backspace, enter, and shift.
3. Physical Design: While computer keyboards have evolved with additional keys and functionalities, they still retain a similar physical design to typewriters, with keycaps and switches for each key.
4. Input Method: Both typewriters and computer keyboards serve as input devices for entering text and commands into a machine, whether it's paper (typewriter) or digital (computer).

   EVALUATION: 1. What is a computer keyboard?

2. Mention 5 parts of Computer Keyboard and state their uses
3. Identify all the points of a computer keyboard
4. Identify 3 similarities between the Typewriter and Computer Keyboard

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively