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Drag
To drag move the mouse while keeping release
the left button pressed. It is used to press move
move an item to another location on the
screen.
Interdisciplinary Learning Lab Activity
1. Type the following sums on the computer by using different keys:
4 + 3 = 10 – 2 =
160 + 45 = 500 – 255 =
2. Now, solve these sums using the calculator app on your computer and type the
correct answers using keyboard on your computer. Also, write the answers in the
space provided above.
DESKTOP AND ICONS
When our computer is switched on, we see a Icons
screen with a lot of small pictures. This screen Desktop
is called the Desktop. Once the desktop
appears, we can start using the keyboard and
mouse. The small pictures with their names on
the desktop are called Icons. On the lower left Start button
corner of the desktop, there is a Start button.
When we click on the Start button or press the Windows key on the keyboard, a menu
with a list of apps (computer programs) opens up. This menu is called the Start menu.
Scroll using the mouse or use Arrow keys to move up and down in the Start menu.
Click, right-click or double-click on any icon to perform different actions.
KEYBOARD AND MOUSE IN A LAPTOP
A laptop also has a keyboard and mouse
fixed on it. The keys on a laptop keyboard are Keyboard
arranged closely and in a different way than
they are on a desktop keyboard but they work Touchpad
in the same way. Right button
Left button
The Keyboard and the Mouse 45

