Explanation

• Shortcut key for center alignment: Ctrl+E

Additional information:

• Center align means middle of the page.
• Ctrl + R -- Align selected text or line to the right.
• Ctrl + M -- Indent the paragraph.

Last verified on 07-08-2026

Explanation

• BIOS stands for Basic Input Output System.

Additional information:

• BIOS is a firmware stored on a computer’s motherboard.
• Initializes hardware during booting and provides runtime services.
• Acts as an interface between operating system and hardware.

Last verified on 04-02-2026

Explanation

• Decrease the font size by 1 point: Ctrl + [

Additional information:

• Increase the font size. Ctrl + Shift + >
• Decrease the font size: Ctrl + Shift + <
• Increase the font size by 1 point: Ctrl + ]
• Ctrl + Shift + F: Change the font
• Open the Font dialog box to change the font: Ctrl + Shift + F

Verified & Updated

Explanation

• The keyboard shortcut to select the entire document (or all items in a window) is Ctrl + A.
• Function: Selects all content, text, or files in the active window.

Additional information:

• Ctrl + R = used for aligning selected text to the right.
• Ctrl + E = used for aligning selected text to the center.
• Ctrl + J = use for Justify paragraph alignment.
• Ctrl + L = used for aligning selected text to the left.
• Ctrl + Q = used to Align the selected paragraph to the left.

Explanation

• Binary digits need more space because binary codes are long and require many digits to represent information.
• Computers use only two digits: 0 and 1 to store and process data.
• A large amount of binary digits (bits) may be required to represent text, numbers, images, and other information.
• 8 bits = 1 byte, which is a common unit of digital storage.
• Binary is used because electronic devices can easily represent two states: ON (1) and OFF (0).

Last verified on 07-08-2026

Explanation

• Embedded computer software is designed to control a specific hardware device.
• It is stored inside electronic devices and performs dedicated functions.
• Embedded software works with hardware such as washing machines, cars, cameras, and medical devices.
• It is usually designed for specific tasks.
• Examples include firmware in routers, printers, and smart appliances.

Last verified on 07-08-2026

Explanation

• The default settings for Narrow margins in MS Word are 0.5 inches on all four sides.
• Margins control the blank space between the document text and the edges of the page.
• MS Word provides different margin options such as Normal, Narrow, Moderate, and Wide.
• The Normal margin is usually 1 inch on all four sides.
• The Narrow margin allows more text to fit on a single page.

Last verified on 07-08-2026

Explanation

• Ferric oxide is most commonly used for making magnetic recording tape.
• Magnetic tapes contain a coating of magnetic material that stores audio, video, or data signals.
• Ferric oxide (Fe₂O₃) is a commonly used magnetic compound due to its magnetic properties.
• It was widely used in audio tapes, video tapes, and data storage tapes.

Last verified on 07-08-2026

Explanation

• Superscript is text written slightly above the normal line.
• It is commonly used in mathematical powers, formulas, and footnotes.
• Example: x², a³, 10⁵
• Shortcut in MS Word: Ctrl + Shift + =

Additional information:

• In MS-Word, a subscript is a number or letter written slightly below the normal text.
• Subscript shortcut: Ctrl + =

Last verified on 29-05-2026

Explanation

• Shortcut key to switch to the next/open window is Alt + Tab.
• It allows you to quickly move between open applications or windows.
• Hold Alt and press Tab to select another open window.

Additional information:

• Windows + Tab → Open Task View.
• Alt + F4 → Close the active window.
• Windows + D → Show or hide the desktop.
• Alt + Esc → Switch between open windows in their opening order.

Last verified on 07-08-2026