Explanation

The process of removing unwanted parts of an image is called cropping.

They involve trimming the outer edges or specific areas to improve focus, composition, or change the aspect ratio by eliminating distractions or extra space. While cropping cuts away parts, other methods, such as masking or cloning (inpainting), remove specific objects without altering the frame. 

Explanation

• Pakistan Army: The highest official rank is Field Marshal, though it is rarely awarded (e.g., General Ayub Khan in 1965). The highest active rank is General.
• Pakistan Navy: The highest rank is Admiral.
• Pakistan Air Force: The highest rank is Air Chief Marshal.
• Police: The highest rank is Inspector General of Police (IGP), overseeing provincial or national law enforcement.

Explanation

Alternatively referred to as Control W and C-w, Ctrl+W is a shortcut key most often used to close a program, window, tab, or document.

Explanation

Yahoo started as a search engine and directory of web pages in 1994.

Over time, Yahoo expanded to include news, finance, and other content, becoming a popular news website.

Explanation

GB stands for Gigabyte.

It is a unit of digital information or storage capacity.

One gigabyte (GB) is equal to 1 billion bytes.

Explanation

• CTRL + H opens the "Find and Replace" dialog box.
• It allows you to replace text or specific formatting in MS Word 2007.

Additional information

• CTRL + I: Italicizes selected text.
• CTRL + T: Creates a hanging indent
• Ctrl + F: Opens the Find tab to search for text or formatting.
• Ctrl + G: Opens the Go To tab to navigate to a specific page or element.
• Ctrl + Shift + C: Copies selected text formatting.
• Ctrl + Shift + V: Pastes copied text formatting.

Explanation

Other Related Shortcuts in MS Excel:

• Ctrl + Space: Selects the entire column of the active cell.
• Shift + Arrow Keys: Expands the selection of cells in the direction of the arrow keys.
• Ctrl + Shift + End: Selects all cells from the active cell to the last used cell in the worksheet.
• Ctrl + Shift + Down Arrow: Selects all rows from the active cell to the last data-filled cell in the column.

Explanation

Explanation

The Shift key ⇧ Shift is a modifier key on a keyboard, used to type capital letters and other alternate "upper" characters.

There are typically two shift keys, on the left and right sides of the row below the home row.

Explanation

Eratosthenes was the first person to calculate the Earth's radius in the 3rd century B.C.E.

He was a Greek astronomer who lived in Alexandria, Egypt.

Eratosthenes's calculation of the Earth's radius was 6,366 km, which is close to the modern value of 6,378 km.