This document provides information about computer keyboards. It asks questions to test understanding of keyboard parts like the spacebar, backspace, delete keys, and alphabet and number keys. It also defines the cursor and differentiates the backspace and delete keys. Students are asked to identify keys on a diagram, fill in blanks about keyboard features, and determine whether statements are true or false. The keyboard has 104 keys in total, including 26 alphabet keys and 10 number keys. The spacebar is the longest key.

1. Chapter 4 Know your Keyboard
QUESTIONS:
1. Name any 6 different keys of the keyboard?
2. There are how many numbers of alphabet keys on the keyboard?
3. There are how many number keys on the keyboard?
4. Write the use of following keys: spacebar, backspace, delete key, Alphabet keys, number
keys and the enter key?
5. What is a cursor? Describe its function?
6. Differentiate between the backspace key and the delete key?
7. Name the longest key on keyboard?
8. Write the total number of keys in keyboard?
Q: Unjumble the letters to form words using the hints given below.
A. U R C R O S ________________
Hint: This is the blinking line you see on your screen.
B. Y S E K ________________
Hint: We can type on a computer by pressing these.
C. R T E N E ________________
Hint: This key is pressed to move to the next line.
Q: Look at the picture carefully and colour.
A. Alphabet keys–Red b. Both sets of number keys–Blue
C. Enter key–Green d. Space bar–Yellow
Q: Identify the keys and encircle their names in the grid given below:

2. Q: Fill in the blanks:
1. _________________ keys are used to type numbers on screen.
2. The _________________ is the blinking line you see on the screen.
3. _________________ key is used to type letters.
4. _________________ key is used to change paragraph.
5. Total number of keys on keyboard are ___________.
Q: Write T for the true statement and F for the false one:
1. There are two sets of number keys on the keyboard. ________
2. The longest key on the keyboard is called the backspace. ________
3. The delete key erases anything on the right side of the cursor. ________
4. Alphabet keys cannot be used to delete a word. ________
5. To start new line, we use enter key. ________

3. ANSWERS:
1.• Alphabet keys
• Number keys also known as numeric keys
• Enter key
• Backspace key
• Delete key
• Spacebar
2. There are 26 number of alphabet keys on keyboard.
3. The are 10 number of numbers key on keyboard.
4. Spacebar: It is used to insert spaces between words or letters.
Backspace: help us to correct mistakes from the left side of the cursor.
Delete key: help us to correct mistakes from the right side of the cursor.
Alphabet keys: use to type letters.
Number keys: use to type numbers.
Enter key: use to change paragraph.
5. The cursor is the blinking line that you see on the screen. Its function is to help keep your
place on the screen.
6.
Backspace key Delete key
The backspace key erases anything on the left
side of the cursor.
The delete key erases anything on the right
side of the cursor.

4. 7. The longest key on the keyboard is called the spacebar.
8. The total numbers of keys on keyboard are 104.
Q: Unjumble the letters to form words using the hints given below.
CURSOR, KEYS, ENTER
Q: Fill in the blanks:
1.number
2.cursor
3.alphabet
4.enter
5. 104
Q: Write T for the true statement and F for the false one:
1.T
2.F
3.T
4.T
5.T