Data | MCQs

Explanation

A nibble can have 16 possible values due to the four bits that are the same as one hexadecimal.

In computer architecture, 8-bit integers or other data units are those that are 8 bits 

Unit of: digital information, data size

Unit system: unit derived from bit

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Explanation

In Excel, the COUNT function is used to determine how many numeric entries are present in a range of cells.

COUNT Function:
The COUNT function counts the number of cells that contain numeric values within a specified range.

For example: =COUNT(A1:A10)
This formula will return the number of cells containing numbers in the range A1 through A10.

Explanation

The maximum function calculates the largest value in a set of numbers in Excel.

Explanation

In MS Excel, the term "data categories" refers to the horizontal axis (also known as the X-axis) in a chart.

It organizes individual values within the chart's data series and represents different categories or labels along this axis.

Explanation

Text Editors:

Function:

Primarily focus on editing text files, which can include source code, configuration files, or simple documents. 

Examples:

• Notepad (Windows): 
• Notepad++ (Windows):
• BBEdit (macOS): 
• vi/vim (Unix-like systems): 
• nano (Unix-like systems): 

Features:

Typically includes basic editing functions like inserting, deleting, copying, pasting, and searching/replacing text. 

ND7-5-2023

Explanation

One Gigabyte (GB) is equal to 2^30 bytes, which is 1,073,741,824 bytes.

The size of information in the computer is measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB).

1 Kilobyte (KB) = 1024 bytes

One Megabyte (MB) = 1024 Kilobytes (KB

One Gigabyte (GB) =  1024 Megabytes MB

One Terabyte (TB)= 1024 gigabytes (GB).

Explanation

• MS-Access is the program for Data Base.
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• Microsoft Access is a Database Management System (DBMS) from Microsoft
• Microsoft Access combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools
  
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Explanation

Full duplex mode allows communication in both directions simultaneously.

In contrast, half duplex mode permits communication in both directions, but not at the same time

Simplex mode allows communication only in one direction.

Explanation

When you decide to back up your data, the first thing to choose is the storage device or backup media to use for your backups.

There are many data storage devices in the market such as tape drives, optical drives, SD cards, hard disk drives and cloud storage services.

Explanation

The functional dependency is a relationship that exists between two attributes.

It typically exists between the primary key and non-key attribute within a table.