Explanation

A computer processes and stores all data in digital form, i.e., binary (0s and 1s).

Even analog data is converted into digital signals before processing.

Explanation

CAD (Computer-Aided Design) and CAM (Computer-Aided Manufacturing) are used together to design and produce products.

This technology improves accuracy, efficiency, and automation in manufacturing.

Explanation

A switch connects two or more computers within the same local area network (LAN).

It intelligently forwards data only to the specific device intended, improving network efficiency.

Explanation

A microcomputer is now primarily called a personal computer (PC), or a device based on a single-chip microprocessor.

Explanation

All important questions about " MS EXCEL"

Microsoft Excel is a spreadsheet application launched in 1985 by the Microsoft Corporation.

MS-Excel uses the _____ function when creating a data table.

spreadsheet

****

Which of the following functions in Microsoft Excel is used to count items in a cell range?

Count

***

In MS Excel, which function automatically total a column or row of values?

SUM

***

MS Excel's function arguments are always written in----------?

Parenthesis

***

In MS Excel, which function automatically totals a column or row of values?

SUM

****

Columns in MS Excel are called?

Fields

***

Constant value in excel also called?

Number

***

Ctrl +D in MS Excel?

Fill down in the selection

***

Ctrl+R is used in Excel too?

Fill the selection with active cells to the right

***

MOD () function is used in MS Excel to get

Remainder

****

ND30-4-2023

Explanation

Networks are typically classified into four main types based on distance (geographical coverage):

1. PAN (Personal Area Network) – Very short distance (e.g., Bluetooth, USB connections).
2. LAN (Local Area Network) – Limited area (e.g., home, office, or school network).
3. MAN (Metropolitan Area Network) – City-wide coverage (e.g., ISP networks in a city).
4. WAN (Wide Area Network) – Large-scale, global reach (e.g., the Internet).

Explanation

John Bardeen, William B. Shockley, and Walter H. Brattain are collectively known as the fathers of the second generation of computers.

They invented the transistor in 1947, which led to the development of smaller, faster, and more efficient computers.

The fathers of each generation of computers:

1. First generation (Vacuum Tubes): John Atanasoff (invented the first electronic computer, ABC)
2. Second generation (Transistors): John Bardeen, William B. Shockley, and Walter H. Brattain (invented the transistor)
3. Third generation (Integrated Circuits): Jack Kilby (developed the first integrated circuit)
4. Fourth generation (Microprocessors): Ted Hoff and Stanley Mazor (developed the first microprocessor, Intel 4004)

Explanation

RAM is a primary memory while ROM is a secondary memory.

RAM stands for: Random Access Memory

ROM stands for: Read Only Memory

Explanation

The keyboard shortcut Ctrl+Shift+Enter also inserts a column break where you've placed your cursor.

Explanation

Assembly language is a low-level programming language that is just one step above machine language (binary code).

It uses mnemonics to represent machine instructions, making it easier for humans to read and write compared to raw machine code.