Learn Computer

HARDWARE COMPONENT OF A CPU 1.MotherBoard: Motherboard is the main circuit board of a computer that lies in the CPU to which all the hardware parts are connected. It is in the form of a large multilayered printed circuit which contains connector for attaching addition devices.         Typically motherboard contains slot for processor, BIOS, RAM, ROM chip, CMOS setup, etc. The chips that are attached on the motherboard are known as the ‘Motherboard Chipset’. 2. SMPS(Switch Mode Power Supply) SMPS is an electrical regulator component that receives electricity from the main power supply and then supplies appropriate power to the other components of computer.It takes the required amount of electricity from mains or UPS and converts the AC current into DC current with required voltage. 3 Processor: It is the most important component of a computer system. It does all calculations and comparisons in a rapid speed. Its speed is measured in higher units of hertz(Hz). It is often

PROTOCOL A protocol is a standard rules that regulates the operation of devices. It can be defines as the set of rules that take cares of communication between hardware, software or both.             The primary protocol of internet is TCP/IP protocol. 1.   HTTP ( Hyper Text Transfer Protocol) : It is a protocol that is used to display information on the World Wide Web. Its main purpose is to provide a way to display and retrieve HTML pages. It is a request/ response protocol between clients and server. In this ‘http’ mean some document over internet and ‘https’ mean some secure document over internet. 2.   FTP( File Transfer Protocol): It is a client server protocol that helps in transferring or exchanging files between client and server. It may be authenticated with usernames and passwords. Transferring files from client node to server is known as uploading while transferring files from server to client node is known as downloading. Generally FTP uses port no 20 and 21.