Explanation

Cyber warfare refers to using technology to attack and harm an adversary's systems and infrastructure by:

• Destroying infrastructure: Disrupting critical systems and networks.
• Installing spyware: Gathering sensitive information via malicious software.
• Using technology to attack: Compromising or destroying enemy systems and data.

Explanation

Execution time is the time a computer takes to complete a job or instruction.

It measures the duration from the start to the end of processing a task.

It is crucial for evaluating processing speed and efficiency.

Explanation

Excel spreadsheets are typically saved in the .xlsx format, 

It is the default file format introduced with Excel 2007.

Explanation

Microsoft is one of the largest and most influential companies in the software industry

It is known for products like Windows, Office, and Azure

Explanation

A paper clip icon typically signifies that a file or document is attached to the email.

Explanation

The "Proper" function in text formatting typically capitalizes the first letter of each word in a given text,

Which is commonly used for titles and headings

Explanation

In most word processors, features like spell check and page numbering are typically found under the "Review" tab or section, which deals with document proofreading and formatting options.

Explanation

The basic unit of digital information is a "bit,

A bit is the smallest unit of data in a computer.

A bit has a single binary value, either 0 or 1.

Multiple bits are combined to form more complex data units like bytes (8 bits), kilobytes, megabytes, etc.

Explanation

Synchronization can occur in both hardware and software contexts to ensure that different components or processes operate in harmony.

Explanation

In HTML, heading tags range from H1 to H6, with H4 being smaller in size compared to H1, H2, and H3.