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Computer Interview Questions Answers

Computer Interview Questions Answers

Question - 81 : - What are the types of Servers?

Answer - 81 : - File servers Database servers Transaction servers Groupware servers Object servers Web servers.

Question - 82 : - What is Remote Procedure Call (RPC)?

Answer - 82 : - RPC hides the intricacies of the network by using the ordinary procedure call mechanism familiar to every programmer. A client process calls a function on a remote server and suspends itself until it gets back the results. Parameters are passed like in any ordinary procedure. The RPC, like an ordinary procedure, is synchoronous. The process that issues the call waits until it gets the results. Under the covers, the RPC run-time software collects values for the parameters, forms a message, and sends it to the remote server. The server receives the request, unpack the parameters, calls the procedures, and sends the reply back to the client. It is a telephone-like metaphor.

Question - 83 : - List out the benefits obtained by using the Client/Server oriented TP Monitors?

Answer - 83 : - Client/Server applications development framework. Firewalls of protection. High availability. Load balancing. MOM integration. Scalability of functions. Reduced system cost.

Question - 84 : - Which of the below people is credited for developing the World Wide Web?

Answer - 84 : - Berners-Lee is credited for developing the World Wide Web.

Question - 85 : - What is declaration ?  

Answer - 85 : - The very first thing in an XML document, which declares it as XML. The minimal declaration is . The declaration is part of the document prolog.

Question - 86 : - IP is an abbreviation for?

Answer - 86 : - Internet Protocol

Question - 87 : - How can I make my existing  HTML files work in XML?

Answer - 87 : - Either convert them to conform to some new document type (with or without a DTD or Schema) and write a stylesheet to go with them; or edit them to conform to XHTML. It is necessary to convert existing HTML files because XML does not permit end-tag minimisation (missing , etc), unquoted attribute values, and a number of other SGML shortcuts which have been normal in most HTML DTDs. However, many HTML authoring tools already produce almost (but not quite) well-formed XML. You may be able to convert HTML to XHTML using the Dave Raggett's HTML Tidy program, which can clean up some of the formatting mess left behind by inadequate HTML editors, and even separate out some of the formatting to a stylesheet, but there is usually still some hand-editing to do.

Question - 88 : - Why are there 1024 bytes in a kilobyte?

Answer - 88 : - Many people think that there are 1000 bytes in a kilobyte. After all, "kilo" means 1000. In most cases, this approximation is fine for determining how much space a file takes up or how much disk space you have. But there are really 1024 bytes in a kilobyte. The reason for this is because computers are based on the binary system. That means hard drives and memory are measured in powers of 2. For example, 2^0 = 1 2^1 = 2 2^2 = 4 2^3 = 8 2^4 = 16 2^5 = 32 2^6 = 64 2^7 = 128 2^8 = 256 2^9 = 512 2^10 = 1024 Notice how 2^10 is 1024. Therefore, 2^10, or 1024 bytes compose one kilobyte. Furthermore, 1024 kilobytes compose one megabyte, and 1024 megabytes compose one gigabyte. For most practical purposes, you can estimate 1024 to 1000. But correcting someone who says there are 1000 bytes in a kilobyte is a great way to impress your friends.

Question - 89 : - How many bits in a byte?

Answer - 89 : - 8

Question - 90 : - What is CSS ?

Answer - 90 : - Cascading style sheet. A stylesheet used with HTML and XML documents to add a style to all elements marked with a particular tag, for the direction of browsers or other presentation mechanisms.

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