Explanation

The main memory of a computer is also known by several names, including:

• Primary storage
• Internal memory
• Primary memory
• Main storage
• Random Access Memory (RAM)

All these terms refer to the computer's volatile memory, which temporarily stores data and programs that are currently being used or processed by the CPU (Central Processing Unit).

RAM is a primary memory.

ROM is a secondary memory.

RAM stands for: Random Access Memory

ROM stands for: Read Only Memory

Explanation

Non-volatile memory or is a type of computer memory that can retain stored information even after power is removed.

RAM is a volatile memory.

RAM: Random Access Memory.

ROM  and PROM is a non-volatile memory.

ROM: Read-Only Memory.

PROM (Programmable Read-Only Memory)

Explanation

The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves.

Leo is called the first-generation computer.

The five generations of computers:

1. First Generation (1946-1959 or 1940-1956): Vacuum tube-based technology (e.g., ENIAC).
2. Second Generation (1959-1965 or 1956-1963): Transistor-based technology.
3. Third Generation (1965-1971 or 1964-1971): Integrated circuit-based technology.
4. Fourth Generation (1972-1980): VLSI microprocessor-based technology.
5. Fifth Generation (1980-present): ULSI microprocessor-based technology, with a focus on artificial intelligence.

Explanation

 LCD Stands for "Liquid Crystal Display."

LCD is a flat panel display technology commonly used in TVs and computer monitors.

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Explanation

CDMA is a wireless communication technology that allows multiple signals to occupy a single transmission channel using unique codes.

It improves efficiency and security in mobile networks.

Explanation

Computer Monitor is also called VDU.

VDU (Visual Display Unit) refers to devices like monitors or screens that display output from a computer.

It is an essential part of the user interface in computing.

Explanation

PIN is a short for a personal identification number.

The PIN is a set of personal numbers used to prove positive identification.

It is often used with automated bank teller machines, telephone calling cards, and accessing wireless networks.

Explanation

CTRL + H opens the "Find and Replace" dialog box.

It allows you to replace text or specific formatting in MS Word 2007.

CTRL + I: Italicizes selected text.

CTRL + T: Creates a hanging indent.

Explanation

COBOL stands for Common Business-Oriented Language

It is a programming language specifically designed for business, finance, and administrative systems.

It was designed in 1959 by CODASYL

And was partly based on the programming language FLOW-MATIC

Designed by Grace Hopper

Stable release: ISO/IEC 1989:2023 / 2023

Explanation

A compiler is system software that translates the entire high-level language source code into machine-level object code at once.

It checks for errors during translation and produces a separate executable file.