Explanation

The "show interfaces" command displays the configurable parameters and statistics of all interfaces on the router, including:

• Interface status (up or down)
• IP address and subnet mask
• Speed and duplex settings
• Number of packets received and transmitted
• Number of errors and collision- And other interface-specific settings and statistics

Explanation

A printer driver is a piece of system software that allows your computer to interact with your printer.

Explanation

In computing, an expansion card is a printed circuit board that can be inserted into an electrical connector, or expansion slot on a computer's motherboard.

Explanation

High-level programs are much easier to understand than assembly language ones.

Explanation

 The system keeps track of files and directories using inodes.

An inode is a representation of a file that stores all the data belonging to that file, such as owner, type, size, access permissions, access times and the file's layout on disk.

Explanation

• The Cut feature allows you to remove selected text from the document and temporarily place it on the Office Clipboard.
• The Paste feature allows you to get text from the clipboard and place it in the same or even another document.
  
  

Explanation

A source document is a document in which data collected for a clinical trial is first recorded.

Explanation

A passive topology means that devices on the network simply listen for signals and do not actively amplify or forward the signal along the network.

The Bus topology is a classic example of this.

Where data is transmitted directly on the shared cable without any intermediary device actively boosting the signal

Explanation

do-until is not a valid loop structure in C programming.

C provides for, while, and do-while loops for iteration.

Explanation

The format specifier %c is used in scanf to read a single character.

So, km must be a character variable, e.g., char km;.