Class-IX
CBSE Information Technology (402)
Book- Database Entry Operator
Unit-2 Keyboarding Skill
Short answer questions (50 words)
1. Discuss the various types of keys available on a computer keyboard.
Ans- Types of keys
• Alphanumeric keys: All of the alphabet (A-Z) and numbers (0-9) on the keyboard.
• Punctuation keys: All of the keys associated with punctuation, such as the
comma (,), period (.), semicolon (;), brackets ([]), and parenthesis ({ }) and so on.
Also, all of the mathematical operators such as the plus sign (+), minus sign (-),
and equal sign (=).
• Alt key: Short for Alternate, this key is like a second control key.
• Arrow keys: There are four arrow keys to move the cursor (or insertion point)
up (↑), down (↓), right (→), or left (←). Arrow keys can be used in conjunction
with the
• Shift or Alt keys: To move the cursor in more than one position at a time.
• Backspace key: Deletes the character just to the left of the cursor (or
insertion point) and moves the cursor to that position.
• Caps Lock key: It is a toggle key, which when activated, causes all alphabetic
characters to be uppercase.
• Ctrl key: The control key is used in conjunction with other keys to produce
control characters. The meaning of each control character depends on which
program is running.
• Delete key: The Del key deletes the character at the current cursor position,
or the selected object, but does not move the cursor. For graphics-based
applications, the delete key deletes the character to the right of the insertion
point.
• Enter key or Return key: It is used to enter commands or to move the cursor
to the beginning of the next line.
• Esc key: The Escape key is used to send special codes to devices and to exit
(or escape) from programs and tasks.
• Function keys: Special keys labelled F1 to F12. These keys have different
meaning depending on which program is running.
2. Differentiate between Home Keys and Guide Keys.
Ans-
3. What do you understand by Guide Keys? Name the Guide keys of a
(a) computer keyboard (b) typewriter
Ans- On a computer keyboard & typewriter, keys ‘F’ and ‘J’ are called guide
keys for left and right hand, respectively. Both contain a small raised tangible
mark with the help of which the touch typist can place the fingers correctly on
the home keys.
4.Explain the role of typing ergonomics.
Ans- Typing ergonomics provides the logistic support for efficient and effective
typewriting. They are important to attain and maintain accuracy and speed.
Some of these factors included are as given as below.
a) Sitting posture
b) Position of hands and fingers
c) Monitor placement
d) Mouse and keyboard placement
e) Chair and table placement
f) Placement of matter to be typed
5.Why the use of various typing software is common now-a-days?
Ans- The main objective of using the typing software in the area where we
need to type the sentence very frequently and fastly also we used the
keyboard in very effective manner.
6.Mention the finger allocation of keys of the Bottom Row of computer keyboard.
Ans:Positioning of fingers on the keyboard
Mastery typewriting skills means to attain necessary knowledge and skill of keyboard operation by correct positioning of fingers.
1. Discuss the various types of keys available on a computer keyboard.
Ans- Types of keys
• Alphanumeric keys: All of the alphabet (A-Z) and numbers (0-9) on the keyboard.
• Punctuation keys: All of the keys associated with punctuation, such as the
comma (,), period (.), semicolon (;), brackets ([]), and parenthesis ({ }) and so on.
Also, all of the mathematical operators such as the plus sign (+), minus sign (-),
and equal sign (=).
• Alt key: Short for Alternate, this key is like a second control key.
• Arrow keys: There are four arrow keys to move the cursor (or insertion point)
up (↑), down (↓), right (→), or left (←). Arrow keys can be used in conjunction
with the
• Shift or Alt keys: To move the cursor in more than one position at a time.
• Backspace key: Deletes the character just to the left of the cursor (or
insertion point) and moves the cursor to that position.
• Caps Lock key: It is a toggle key, which when activated, causes all alphabetic
characters to be uppercase.
• Ctrl key: The control key is used in conjunction with other keys to produce
control characters. The meaning of each control character depends on which
program is running.
• Delete key: The Del key deletes the character at the current cursor position,
or the selected object, but does not move the cursor. For graphics-based
applications, the delete key deletes the character to the right of the insertion
point.
• Enter key or Return key: It is used to enter commands or to move the cursor
to the beginning of the next line.
• Esc key: The Escape key is used to send special codes to devices and to exit
(or escape) from programs and tasks.
• Function keys: Special keys labelled F1 to F12. These keys have different
meaning depending on which program is running.
2. Differentiate between Home Keys and Guide Keys.
Ans-
3. What do you understand by Guide Keys? Name the Guide keys of a
(a) computer keyboard (b) typewriter
Ans- On a computer keyboard & typewriter, keys ‘F’ and ‘J’ are called guide
keys for left and right hand, respectively. Both contain a small raised tangible
mark with the help of which the touch typist can place the fingers correctly on
the home keys.
4.Explain the role of typing ergonomics.
Ans- Typing ergonomics provides the logistic support for efficient and effective
typewriting. They are important to attain and maintain accuracy and speed.
Some of these factors included are as given as below.
a) Sitting posture
b) Position of hands and fingers
c) Monitor placement
d) Mouse and keyboard placement
e) Chair and table placement
f) Placement of matter to be typed
5.Why the use of various typing software is common now-a-days?
Ans- The main objective of using the typing software in the area where we
need to type the sentence very frequently and fastly also we used the
keyboard in very effective manner.
6.Mention the finger allocation of keys of the Bottom Row of computer keyboard.
Ans:Positioning of fingers on the keyboard
Mastery typewriting skills means to attain necessary knowledge and skill of keyboard operation by correct positioning of fingers.
a) Home Key Position: All eight finger should be located at Home Keys (ASDF for left hand &
JKL; for right hand). The thumb of the right hand is used to operate the Space
Bar.
b) Allocation of keys to fingers
The keyboard learning process starts from the second row (Home Row)
followed by the Third Row (Upper Row), First Row (Bottom Row) and the Fourth
Row (Number Row). It must be remembered that each finger has to operate only
the key allotted to it.
c)
Allocation
of keys to fingers on the second row (home row) Place four fingers of each hand on Home Keys (ASDF &
JKL;) The remaining two keys ‘g’ and ‘h’ on the second row are operated by the
forefingers (Index Finger) of left and right hand, respectively.
d)
Allocation
of keys to fingers on the third row (upper row)
While
typing on the upper row, keep fingers on home row. Lift fingers of left hand
and strike upper row key one by one and type Q W E R T (r and t are typed by
the same finger) And type P O I U Y (u and y are typed by the same finger)
e) Allocation of keys to fingers
on the first row (bottom row)
After learning how to operate keys on Home Row and Third Row, the next step
is to learn how to operate keys on the First Row. Keys Z, X, C, V, B, N, M,
Comma, Full Stop and ‘/’ sign are located on this row.
f)
Allocation
of keys to fingers on the Fourth Row (Number Row) In this row, type 1, 2, 3 with little, ring and middle
9fingers of the left hand, respectively, and 4 and 5 with the index finger
(forefinger). Similarly type 0, 9, 8 with little, ring and middle fingers of
right hand, respectively, 7 and 6 with index finger (forefingers).
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