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

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)

ISP stands for Internet Service Provider. It is the service provider, we pay our monthly fee for the internet service they provide.

Answer: (a)

The first programming languages predate the modern computer. At first, the languages were codes. The first modern programming language was FORTRAN (1955), the “FORMULA TRANSLATOR”, invented by John Backus, then COBOL,(1959) the Common Business Oriented Language, was used. Then PASCAL and BASIC came into existence.

Answer: (d)

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

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: (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.