Explanation

ISDN (Integrated Services Digital Network) is a circuit-switched telephone network system that transmits both data and voice over a digital line.

Additional Points:

• Modem: Converts digital signals to analog for internet access.
• HTTP/HTTPS: Protocols specifically designed for accessing web pages.
• TCP: Works alongside UDP but is more reliable for web communications.

Explanation

• In MS Word 2007, CTRL + G opens the "Go To" dialog box, allowing navigation to a specific page, bookmark, footnote, table, comment, or other locations in the document.
• It is a quick way to move around large documents without manual scrolling.

Other Useful Shortcuts in MS Word 2007:

• CTRL + H: Opens the "Find and Replace" dialog box.
• CTRL + S: Saves the document.
• CTRL + P: Opens the print dialog box.
• CTRL + Z: Undoes the last action.

Explanation

The correct answer is:

Right-click the column heading you want to delete and select "Delete" from the shortcut menu.

Alternatively, you can also:

• Select the column heading, go to the "Home" tab, and click "Delete" in the "Cells" group.
• Select the column heading and press "Ctrl" + "-" (minus sign).

Explanation

Binary numbers are made up of only two digits: 0 and 1.

Only 1001 consists solely of 0s and 1s, making it a binary number.

Explanation

Comments can be added to cells using Insert > Comment.

Explanation

Are there any apples in kitchen?

کیا کچن میں کوئی سیب ہے؟

"Any" is used in questions to inquire about the presence of something.

Explanation

20 x 10 = 200

200 / 5 = 40

40 x 8 = 320

So, Excel evaluates the formula and returns 320.

Explanation

A value in Excel refers to numerical data, dates, or text that can be used in calculations.

"Obtained marks - 87" is a text string, not a value directly usable in calculations.

Explanation

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RY17-012-23

Explanation