All-in-One Exam Prep Platform

Explanation

The brain of the computer is the CPU

CPU stands for the central processing unit

The first commercial CPU was invented by Italian Physicist Federico Faggin

The first CPU was the Intel 404 released by Intel in 1971.

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The five basic parts of a computer are:

1. the motherboard
2. central processing unit (CPU)
3. input-output units
4. memory (RAM and ROM)
5.  storage (SSD or HDD)
   

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AGM 07.5.23

Explanation

F7

F7 does a spelling and grammar check in Microsoft Word

F1

Opens the help menu when pressed with the Windows button. 

F2

Allows you to edit the selected folder or file name in Windows Explorer & Cell 

F3

Opens search feature in Windows Explorer 

F4

Alt + F4 closes window 

F5

Starts slideshow in PowerPoint

Refreshes Internet browser pages 

F6

Goes to the next page in a split screen in Microsoft Word

F8

In Excel, enables extend mode for arrow keys

F9

Refreshes document in Microsoft Word

F10

Opens menu bar

F11

Exits and enters full-screen mode in browsers

F12

Opens Save as in Word

Explanation

LAN stands for local area network

It is a collection of devices connected together in one physical location

For example"

• school
• laboratory
• university campus 
• office building.

LAN covers can be small or large from home network and enterprise network

Additional Information

WAN stands for wide area network.

MAN stands for Metropolitan Area 

WANs and MANs connect many LANs together

WANs and MANs cover a large geographical area

Explanation

A bit is most basic unit of information in computing.

It is short for binary digit, which means that it can only have one of two values, 0 or 1.

Bits are usually assembled into a group of eight to form a byte.

1 Kilobyte (KB)  =  1024 Bytes.

1 Megabyte (MB) = 1024 Kilobytes.

1 Gigabyte  (GB) = 1024 Megabytes.

1 Terabyte (TB) = 1024 Gigabytes.

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VU FIA CONSTABLE PAPER 2021

Explanation

URL stands for Uniform Resource Locater.

URL has three parts:

01. Protocol

02. Domain name

03. Path

Explanation

• HTML is used to create a web page
• ****
  
• HTML is an abbreviation for Hypertext Markup Language
• (HTML) is the standard markup language for documents designed to be displayed in a web browser.
• 
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• The tag in HTML stands for underline, and it's used to underline the text enclosed within the  tag

Explanation

MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft.

MS-DOS, its rebranding as IBM PC DOS

Some operating systems attempting to be compatible with MS-DOS are sometimes referred to as "DOS".

Explanation

Laser technology is used in compact disc

Compact Disc is an example of Optical Storage

James T. Russell invented C.D. (Compact Disc).

 co-developed by Philips and Sony to store and play digital audio recordings.

history

 In August 1982, the first compact disc was manufactured.

It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.

It was released on March 2, 1983, in North America and Europe.

FIA CBT VU PAPER 22-12-2021

ND30-4-2023

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

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

Count

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

SUM

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

Parenthesis

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

SUM

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Columns in MS Excel are called?

Fields

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Constant value in excel also called?

Number

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Ctrl +D in MS Excel?

Fill down in the selection

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Ctrl+R is used in Excel too?

Fill the selection with active cells to the right

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MOD () function is used in MS Excel to get

Remainder

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SH31-07-23

ND30-4-2023

Explanation

The cell is the basic structural, functional, and biological unit of all known organisms.