Question

1. blog

the most common type of computer port used in todays computers.
stands for \binary logic of grammar.\ it is the syntax which governs the methodology used for creating computer software.
the bar that spans the bottom of the computer screen and contains the start button on the left side and clock on the right.
a web site that contains dated entries in reverse chronological order (most recent first) about a particular topic. functioning as an online newsletter, it can be written by one person or a group of contributors.

Explanation:

A blog is a website with dated entries in reverse chronological order (newest first) on a topic, like an online newsletter by one or more people. The first option refers to a USB port. The second option is a wrong definition. The third option describes the taskbar.

Answer:

A Web site that contains dated entries in reverse chronological order (most recent first) about a particular topic. Functioning as an online newsletter, it can be written by one person or a group of contributors.