Please enable JavaScript.
Coggle requires JavaScript to display documents.
PORTS AND PC COMPONENTS (123, download, image, image, image, image, image,…
-
-Have 15-pin connectors.
-A male cable is one that has its connections protruding or sticking out of the cable.
-A female connections are the reverse,having inward holes that allow the male cable to fit perfectly with the female connection.
-Serial port standard is RS-232.
-2 types of serial ports :-
DB9 is a 9-pin connection
DB25 is a 25-pin connection.
-
-
-Can be used to store any data,including pictures,music,videos,text documents and any files created or downloaded.
-Hard drives store files for the operating system and software programs that run on the computer.
-Sizes of hard drives :-
megabytes (MB)
gigabytes (GB)
terabytes (TB).
-
-
-A standard 25 pin (DB25) connector still found on some PCs.
-Commonly used for connecting a printer or other device.
-Max voltage is 5 volt DC.
-Length 2.3 cm (0.91 in)
-
-This technology was once standard on computers manufactured by Apple.
-High transfer rates (up to 480 Mbps)
-Easy to distinguish from USB because more smaller and tapered.
-
-
-
There have been three generations of USB specifications:-
USB 1.x
USB 2.0 (with multiple updates and additions)
USB3.x
Length:- 2–5 m (6 ft 7 in–16 ft 5 in) (by category)
-
-
-A device installed in a computer that consists of a graphics processing unit designed to help process and display images, especially 3D graphics. Graphics cards help take the processing strain off the main processor, and can contain their own memory to take the strain off the system RAM.
-
-
Two typical components of a CPU :- The arithmetic logic unit (ALU), which performs arithmetic and logical operations.
The control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.
