Computer Case : -
- Ø A computer case houses (encloses o
Ø Tower case chassis is Often used for servers, this type of case is also good for desktop computer users
Ø A tower case sits upright and can be as high as two feet and has
room for several drives.
Ø It anticipate upgrading, because tower cases provide maximum space for working inside a computer and moving components around.
Desktop Case : -
A desktop case lies flat and sometimes serves double-duty (to do duty for two things) as a monitor(an output device that displays information in pictorial form) stand.
A BRIEF DESCRIPTION OF DIFFERENT TYPES OF PORTS THAT ARE USED IN COMPUTERS AND LAPTOPS : -
VGA PORT : -
Ø A VGA (Video Graphics Array) port or connector, also called a DB-15 port, HD15 port, or DE15 port, is a 15-pin , D-shaped.
Ø VGA port is used for computer video output.
Ø It is a female port that transmits Analog video.
Ø (Analog means a continuous signal with infinite variations as compared with Digital ,which is a series of binary values-0s and 1s.) All older monitors use VGA ports. [By the way, the HD15 {high-definition 15-pin} name for the port is an older name that distinguishes it from the early 9-pin VGA ports.]
S-Video : -
Ø It ia also knows as separate video port .
Ø It is used for separating black- and -white and colouring signals.
Ø An S-Video port is a 4-pin or 7-pin round video port sometimes
used to connect to a television.
Ø The 7-pin port is shown on the above. The 4-pin port is missing the extra pins in the middle and is the more common type.
Ø It achieves better image quality than composite video(an Analog video signal format that carries standard definition video as a single channel) but lower colour resolution than composite video.
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