Computet hardware and Networking

Impact printer : line printer -- It is a type of impact printer. -- Where enormous amount of material is to be printed, users need line printers. -- Line printer, or line-at-a-time printers , used a special mechanism that can print a whole line at once. -- They can print the range of 1,200 to 6,000 lines per minute(Ipm).Drum, Chain and band printers are line-at-a-time printers.

HOW BIOS WORKS   ----  Power On Self Test (POST)  ---- Bootstrap Loader  ----- Setup utility program  ---- BIOS drivers Learn more click here :- https://bit.ly/2KJkw5X

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Characteristics of internet ---- Internet is a complex network. ---- A decentralized system. ---- Composed of billions of file. ---- It is widely used. ---- Dynamic(Internet is the changing every minute of everyday. Thousands of websites and other resources are daily upload on internet).

The internet started as a united states government project in the year 1969, called the advanced research projects administration network (ARPANET).

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Uniform Resource Locator (URL) :- URL are the unique address of the available resource . A URL is divided into four parts (a) Transfer protocol :- https:// (b) Server name :- www.facebook.com (c) Directory path :- / (d) File name :- abhay maurya Example:- https://www.facebook.com/abhaymaurya

BENEFITS OF BIOS FOR DESKTOP / LAPTOP ---- Enforcing Security ---- Hardware Monitoring ---- Operating system Booting ---- Hardware Testing ---- Hardware Troubleshooting

Basic Input Output System It is an essential set of programs(routines) stored on a chip on the motherboard of a computer. It acts as an intermediary between computer hardware and its operating system without BIOS, the PC's operating system cannot be communicate with, Or take control, of the hardware.

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DOMAIN A domain is a set of network resources (applications, printers, and so forth) for a group of users. The user needs only to log in to the domain to gain access to the resources, which may be located on a number of different servers in the network. The ‘domain’ is simply your computer address not to confuse with an URL. A domain address might look something like 211.170.469.

Question:-What protocol and port does DHCP use. Answer:-UDP protocol and 67 port in client and 68 port in server.

Stands for Automatic Private IP Addressing APIPA is a DHCP fail over mechanism for local networks. With APIPA, DHCP clients can obtain IP addresses when DHCP servers are non-functional. APIPA exists in all modern versions of Windows except Windows NT. When a DHCP server fails, APIPA allocates IP addresses in the private range 169.254.0.1 to 169.254.255.254.