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CBSE-SOLUTIONS
CLASS-9
PART-B
UNIT-II Data Entry and Keyboard Skills
1. Which of the following is not a key for punctuation marks?
(a) Comma (,)
(b) Period (.)
(c) Semicolon (;)
(d) Equal sign (=)
Answer: (d) Equal sign (=)
2. Which of the following is not an arrow key?
(a) Top (↑)
(b) Down (↓)
(c) Right (→)
(d) Left (←)
Answer: (a) Top (↑)
3. Which of the following operations is not performed by a mouse?
(a) Left Click
(b) Right Click
(c) Middle Click
(d) Double Click
Answer: (c) Middle Click
4. In the Rapid Typing Tutor, which of the following is not true?
(a) Green letters denote right inputs.
(b) Yellow letters stand for right inputs in extra time.
(c) Red letters denote wrong inputs within time.
(d) Orange letters indicate wrong inputs within time.
Answer: (d) Orange letters indicate wrong inputs within time.
5. The lesson control panel can be used for __________.
(a) Animation
(b) Enable or disable sounds
(c) Plain
(d) Background
Answer: (b) Enable or disable sounds
B. Fill in the Blanks
1. A touch typist knows the location on the keyboard through __________ memory.
Answer: Muscle
2. The typing speed is measured in __________.
Answer: Words per minute (WPM)
3. Letters (A–Z) and numbers (0–9) are known as __________ keys.
Answer: Alphanumeric
4. Del key deletes the character at the __________ cursor position.
Answer: Right
5. A standard keyboard has __________ Function keys.
Answer: 12
6. Numeric keypad is used to enter __________ data.
Answer: Numeric
7. Page Up key is used to shift the __________ one page up.
Answer: Screen
8. Pressing the End key moves the cursor to the __________ character of the line.
Answer: Last
9. On numeric keypad ‘0’ is to be pressed by the __________ thumb.
Answer: Right
10. The numeric keypad has __________ columns and __________ rows.
Answer: 3 columns and 4 rows
C. State ‘T’ for True or ‘F’ for False
1. The Alt key is always used with the other key.
Answer: T
2. There are 5 arrow keys on the keyboard.
Answer: F
3. The Backspace key is used to delete the character on the right to the cursor.
Answer: F
4. Caps Lock key is a toggle key.
Answer: T
5. The Control key is used in conjunction with other keys.
Answer: T
6. Enter key is also known as Return key.
Answer: T
7. The function keys have different meaning in different software.
Answer: T
8. The keys ‘F’ and ‘J’ are known as guide keys.
Answer: T
9. There are two Caps Lock keys on the keyboard.
Answer: F
10. The mouse has two scroll buttons.
Answer: F
11. Page Down key is used to move the cursor on next page.
Answer: T
12. Pressing the Home key moves the cursor to the first character in the document.
Answer: F
13. On a numeric keypad, the number 8 is the guide key.
Answer: F
14. In Rapid Typing Tutor, the right input entered is denoted by yellow colour.
Answer: F
15. In Rapid Typing Tutor, the right input entered in exceeding time frame is denoted by Red colour.
Answer: F
D. Answer the Following
1. Discuss the various types of keys available on a computer keyboard.
Answer:
There are different types of keys on a computer keyboard, such as Alphanumeric keys, Function keys, Control keys, Navigation keys, Punctuation keys and Numeric keys. Each type of key performs a different function.
2. Differentiate between Home Keys and Guide Keys.
Answer:
Home Keys: A, S, D, F, J, K, L and ; are called home keys. The fingers are placed on these keys while touch typing.
Guide Keys: F and J are called guide keys. They have raised marks that help us position our index fingers correctly.
3. What do you understand by Guide Keys? Name the Guide Keys of a:
(a) Computer keyboard
Answer: F and J are the guide keys of a computer keyboard.
(b) Typewriter
Answer: F and J are the guide keys of a typewriter.
4. Explain the role of typing ergonomics.
Answer:
Typing ergonomics means maintaining the correct sitting posture, hand position and keyboard position while typing. It helps reduce strain and makes typing comfortable, safe and efficient.
5. Why is the use of various typing software common nowadays?
Answer:
Typing software helps us improve our typing speed and accuracy. It provides different lessons and exercises for regular typing practice.
6. Mention the finger allocation of keys of the Bottom Row of computer keyboard.
Answer:
Left Little Finger: Z
Left Ring Finger: X
Left Middle Finger: C
Left Index Finger: V, B
Right Index Finger: N, M
Right Middle Finger: Comma (,)
Right Ring Finger: Period (.)
Right Little Finger: Slash (/)
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