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How optimization is achieved in DNS?
Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server exist around the world. While a new site joins the internet, the site configures its local DNS server along with a list of root server. The site server uses any root server is most responsive at a provided point of time. Into DNS caching each server maintains a cache of names. When this looks up a new name, the server puts a copy of the binding in its cache. Before contacting other server to request a binding, the server checks its cache; when the cache have the answer the server uses the cached answer to produce a reply.
Q. What is Status Control and Registers? Status Control and Registers: These registers can't be used by programmers though are used to control CPU or execution of a program.
what are the fundamental data structures
Q. How to use an Assembler? Symbolic instructions which we code in assembly language is called as- Source program. An assembler program translates source program in machine
Describe CMOS inverter. Ans: CMOS inverter that is also called Complementary MOSFET Inverters, are several of the most broadly used and adaptable MOSFET inverters utilized i
expplain in detail the internal organisation of computer?
"Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the ascii values will starts from
The concept of electronic cash is to implement payment by Using computers over network
A dialog box, generally square, that records an on or off value.
Conversion of decimal number 10.625 into binary number ? Ans. There is integer part is 10 and fractional part is 0.625. Firstly convert the decimal number 10 in its equal bina
Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to kept BIOS settings. It was traditionally known as CMOS RAM because it used a volatile, low-power
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