Page 26 - Viva ICSE Computer Studies 3 : E-book

• In CLI, the user types commands (instructions) in text form using the keyboard to
perform the desired tasks on a computer.

• In GUI, the user interacts with the computer through graphics or pictures. Diff erent
actions can be performed by just clicking the mouse buttons.

Windows 10

Microsoft Windows is the most common operating system being used worldwide. It
is called a GUI-based operating system because we use it to communicate through
graphics or pictures. A user can perform various
functions with the help of mouse. There are many Learn More

versions of Windows like Windows XP, Vista, Windows
Windows 10 was released
7, Windows 8 and Windows 10. The latest version of on July 29, 2015.
Windows is Windows 10.

Switching on a Computer

Before learning about Windows 10, let’s learn to switch on a computer. Follow these
steps to do so.
Step 4: Switch on the monitor button. A
Step 1: Switch on the welcome screen of Windows will appear.
main power supply.

Step 2: Switch on the UPS button.
Step 3: Switch on the power button of the CPU.

Do and Learn

Start the computer by following the steps learnt.

Working with Windows 10

When we switch on a system, the main screen of Windows appears. It is called desktop.

Sometimes, a Windows ‘Log in’ screen comes on switching on the computer. In such a
case, we need to click on our user-id and enter the password.

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