Explanation

SMTP  is the standard protocol used to send emails across the internet.

SMTP stands for Simple Mail Transfer Protocol.

Last updated 15-feb-2026

Explanation

The process of dividing the disk into tracks and sectors is called formatting.

In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc.

Explanation

An arithmetic logic unit (ALU) is a fundamental component of a computer's central processing unit (CPU).

It is responsible for performing arithmetic and logical operations on binary data.

Explanation

Pipelining is the process of storing and prioritizing computer instructions that the processor executes. 

Explanation

Computers use an internal clock to synchronize all of their calculations.

Explanation

Manufacturers of home routers use private IP addresses, including 192.168. 1.1, as the default gateway, allowing users to type http://192.168.1.1 into a web browser to access the router admin panel and change router settings.

Explanation

AJAX is a technique for creating fast and dynamic web pages.

Explanation

The SQL command used to retrieve data from a database table is the SELECT statement.

This command is fundamental to the Data Query Language (DQL) in SQL. 

Last updated 15-feb-2026

Explanation

Left Join: Returns all rows from the left table and the matched rows from the right table.

If there is no match, the result is NULL on the side of the right table.

In SQL, the syntax for a left join would look like this:

Explanation