Week 5 – Jss 1 Third Term Business Studies Lesson Notes

WEEK FIVE
TOPIC: INTRODUCTION TO KEYBOARDING II
Keyboarding – is the front portion of the typewriter, where alphabetical letters, punctuation marks, figures and some special signs are provided on keys. These are arranged in four lines known as rows. There are some other keys on the keyboard, such as:

1. Space bar
2. Shift keys
3. Shift lock
4. Back space key
5. Margin release key
6. Tabulator etc.

STANDARD KEYBOARD: Is a recognised as a rule or model of approved merit or excellence. A standard typewriter is that machine which types rapidly, accurately and neatly. Standard typewriter was perfected by the underwood company in 1896.
Features of standard keyboard

1. A four row keyboard
2. Arrangement of keys in a similar order of letters
3. Visibility of writing
4. A single shift operation for capitals and additional characters.

Sitting position (posture) of the typist

1. Correct posture is necessary to avoid tiredness and pain
2. The matter to type (copy/book should be kept on the right hand side of the machine, so that the handle does not stand in way when reading the copy.
3. Typist should sit in an upright position
4. Fingers on the keys and not hands resting on the machine
5. Legs flat on the floor

PARTS OF COMPUTER KEYBOARDING
PARTS OF COMPUTER KEYBOADING AND THEIR USES
1. Alpha-numeric keypad – it consist of keys for English alphabets 0 – 9 and special characters like +, –, /, x, () etc.
2. Function Keys – There are twelve (12) function keys labelled F1, F2, F3 – F12. The functions assigned to these keys differ from one software package to another. They are also user, programmable keys.
3. Ender – It is similar to the return key of the typewriter and is used to execute a command or program.
4. Spacebar – It is used to enter a space at the current cursor location.
5. Backspace – Is used to move the cursor one position to the left and also to delete the character in that position.
6. Delete – Is used to delete the character at the cursor position.
7. Insert – Is used to toggle between insert and overwrite mode during data entry.
8. Shift – Is used to type capital letters when pressed along with an alphabet key. It also used to type the special characters located on the top of a key that has two character on it.
9. Caps lock – Is used to toggle between the capital lock. When ‘on’ it locks the alpha-numeric keypad for capital letters input only.
10. Tab – Is used to move the cursor to the next tab position defined in the document. It is also used to insert indentation into a document.
11. Ctrl – Control key is used in conjunction with other keys to provide additional functionality to the keyboard.
12. Alt –Is always used in combination with other keys to perform specific tasks.
13. ESC – Is used to negate a command. It is also to cancel executing programs.
14. Numeric keypad – Is located on the right side of the keyboard and consists of keys having numbers 0 – 9 and mathematical operators +, –, /, x, () defined them. It is provided to support quick entry for numeric data.
15. Cursor movement keys – are arrow keys and are used to move the cursor in the direction indicated by the arrow (up, down, left, right).
EVALUATION

1. List 7 parts of a keyboard
2. State 5 good posture of a typist.

Assignment

1. What is a keyboard?
2. What is a typewriter?
3. Describe a computer keyboard
4. What is the correct sitting position of a typist?
5. What is the use of an Alt key?