Subject: Computer

Explanation
The term ‘Computer’ is derived from a Latin word “computare” which means to “to calculate”, “to count”, “to sum up” or “to think together”. So, more precisely the word computer means a “device that performs computation“.

Explanation
A CD-ROM is a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs

Explanation
The correct answer is an inkjet printer. Non-impact printers print  characters without the use of ribbons. Each of these printers prints a complete page, so it is also called a page printer. Example: Inkjet printer, laser printer

Explanation

Explanation
an Assistant sub-inspector (ASI) is a non-gazetted police officer ranking above a police head constable and below a Sub-inspector.

Explanation
Read-only memory is a type of non-volatile memory used in computers and other  electronic devices. Data stored in  ROM  cannot be electronically modified after the manufacture of the memory device.

Explanation
Deletes selected cells through Edit > Delete command was available in Excel 2003 and earlier versions.

Explanation
To remove the content of selected cells we must issue Clear Contents command. Clear Contents will clear only the data, will not clear any formats.

Explanation
Click the Fill button in the Editing group , and then click Across Worksheet a command only appears when we have multiple worksheets selected.

Explanation
Microsoft Excel can wrap text so it appears on multiple lines in a cell. We can format the cell so the text wraps automatically, or enter a manual line break.