CMD Prompts and Commands

Command Prompt is a command line interpreter application available in most Windows operating systems. It is used to execute entered commands.   Most of those commands automate tasks via scripts and batch files, perform advanced administrative...


Sample File Lookup

Now a days we store lot of data (documents,images, music,video etc) in our computer finding a file sometimes little bit difficult. This can be done by grouping and arranging the files in many ways. Open the drive that contains files and right click in the empty area...


DXF File Format

DXF is short for Drawing Interchange Format or Drawing Exchange Format. Commonly known as AutoCAD DXF format, is a CAD data file format.  It was developed by Autodesk to enable data interoperability between AutoCAD and other programs. DXF file format was first introduced...


CAD File Format

CAD stands for Computer Aided Design. CAD software is used to create 2D and 3D graphical representation of physical objects. This software is used by engineers, architects and other professionals to create drawings or technical illustrations. It's software...


JPEG vs BMP

Both are used to store digital images in raster format. JPEG makes unidentifiable changes to image which cannot be distinguished by human eye. It reduces file size upto 1/10th to 1/20th of original size. JPEG can choose amount of compression in image editors like Adobe PhotoShop etc. Differences in them is described in table below. JPEG ...


File Sizes

A file size is the measure of space a file takes on a storage medium such as a computer hard drive. File sizes can be measured in bytes (B), kilobytes (KB), megabytes (MB), gigabytes (GB), terabyte (TB), and beyond. In our Computer, files sizes are shown which describes...


Image Formats

There are 5 main formats in which to store images.  Each of image file types has their own pros and cons. They were created for specific, yet different, purposes.   1. JPEG  JPEG stands for Joint Photographic Experts Group.  File extension is...


Pixels

A pixel is the smallest unit of a digital image or graphic that can be displayed and represented on a digital display device. A pixel is also known as a picture element. A pixel is represented by a dot or square on a computer monitor display screen.  Pixels...


Skewing

 Skewing is a process of changing direction or position of image.  It turns the image at an angle and can be done in positive and negative direction.  How to Apply Skewing: In MS Paint, open image that you want to skew. Click on Resize.  ...


Aspect Ratio

Aspect ratio specifies the ratio of width to the height. Video, still pictures and the devices used to display this have the aspect ratio like 3:2, 4:3, 16:9.... The number before the colon represents the width and the number after the colon represents height.  Images...


Resolution

Number of pixels per one square inch is called resolution Measured by number of pixels in horizontal by number of pixels in vertical. Units are pixels per inch. When resolution increases, images become crisper due to a higher pixel density.  In fact, text...


Operator Precedence

When several operations occur in an expression, each part is evaluated and resolved in a predetermined order called operator precedence.  Parentheses can be used to override the order of precedence and force some parts of an expression to be evaluated before other...


Logic Gates

These are elementary building blocks of digital circuit. It has one or more inputs and only one output.. Output is active only for certain input combinations. Common Logic gates are AND, OR, NAND, NOR.  1. AND Gate: The AND gate is an electronic circuit...