IT &computer MCQ section 3 MCQ Questions & Answers Detailed Explanation

Answer: (d)

Arithmetic and Logic Unit (ALU) performs Arithmetic operations and comparisons.

Answer: (d)

Opera is a web browser for Windows, macOS, and Linux operating systems. It is developed by Opera Software. As of November 2016, the browser was owned by a Chinese group of investors under the name Golden Brick Capital Private Equity Fund I Limited Partnership.

Answer: (c)

A URL is technically a type of uniform resource identifier (URI) or locator. It is a specific character string that constitutes a reference to a resource. In most web browsers, the URL of a web page is displayed on top inside an address bar.

Answer: (c)

A central processing unit (CPU), also known as processor, consists of two main components: Arithmetic Logic Unit (ALU), which performs arithmetic and logical operations and the Control Unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.ALU is a fundamental building block of CPU.

Answer: (c)

www stands for the World Wide Web which is a system of Internet servers that support specially formatted documents. The documents are formatted in a markup language called HTML (HyperText Markup Language) that supports links to other documents, as well as graphics, audio, and video files.

Answer: (b)

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distance from fixed and mobile devices, created by telecom vendor Ericsson in 1994.