IT &computer MCQ section 3 Practice Questions Answers Test with Solutions & More Shortcuts

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.

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: (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: (a)

Read-only memory (ROM) is a form of data storage in computers and other electronic devices that is non-volatile. Its contents are retained even when the device is powered off. Other examples of nonvolatile memory include flash memory, ferroelectric RAM (F-RAM), hard disk drives, floppy disks, etc.

Answer: (d)

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