Explanation

• The time and date are displayed on the system tray.
  
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• The system tray (or "systray") is a section of the taskbars in the Microsoft Windows operating system (OS) user interface that provides easy access icons to the user's most commonly used apps and displays the clock.
• A system tray is also available in other OSes such as Linux, Mac OS, Android, and iOS.
  

Explanation

Ctrl + Z = Undo 

Ctrl + P = Print

Ctrl + Y = Redo

Ctrl + S = Save

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Explanation

• On 9 June, 2017 India and Pakistan became full members of the Shanghai Cooperation Organisation (SCO).
• The SCO Headquarters: Beijing, China
• The SCO Founded: June 15, 2001
• The SCO currently comprises of nine Members States (China, India, Kazakhstan, Kyrgyzstan, Russia, Pakistan, Tajikistan, Iran and Uzbekistan), four Observer States

• On 9 July 2023, Iran became 9th member of SCO. 

Explanation

To use a keyboard shortcut to change between lowercase, UPPERCASE, and Capitalize Each Word, select the text and press SHIFT + F3 until the case you want is applied.

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Explanation

Important bar in Microsoft Word

Explanation

The proverb money makes the mare go, explains the power of money.

It says, if you pay enough, people will show interest to work for you.

Explanation

 the greater than sign (>) is an example of logical operator.

A > sign asks if the first value is greater than the second value.

Explanation

Disk platters are formatted in a system of concentric circles, or rings called tracks

Explanation

Area left after laying black tiles = [(20 -- 4) $\times$ (10 -- 4)] sq. ft = 96 sq. ft
Area under white tiles = $\left(\frac{1}{3}\times 96\right)sq.ft=32sq.ft$
Area under blue tiles = (96 -- 32) sq. ft. = 64 sq. ft
Number of blue tiles = $\frac{64}{\left(2\times 2\right)}=16$

Explanation

Let AC be the ladder and BC be the wall . Then,

In right $△$ ABC,

$A{C}^2=A{B}^2+B{C}^2$

$A{C}^2=(2.5{)}^2+(6{)}^2$

$A{C}^2=\mathrm{42.25mama}$

$AC=6.5m$

Hence, the length of ladder is 6.5 m.