IT Basic

TCP⁄IP part-2

[signinlocker]What do you mean by RFC? Explain its significance.   Requests for Comments (RFCs) The standards for TCP/IP are published in a series of documents called Requests for Comments (RFCs). RFCs describe the internal workings of the Internet. TCP/IP standards are always published as RFCs, although not all RFCs specify Read more…

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IT Basic

TCP⁄IP part-1

Briefly discuss the functions of transport layer. The Transport layer (also known as the Host-to-Host Transport layer) provides the Application layer with session and datagram communication services. The Transport layer encompasses the responsibilities of the OSI Transport layer. The core protocols of the Transport layer are TCP and UDP. TCP Read more…

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IT Basic

RDBMS with MYSQL_2

Write the syntax used to connect to MySQL server. To connect to the server, you will usually need to provide a MySQL user name when you invoke mysql and, most likely, a password. If the server runs on a machine other than the one where you log in, you will Read more…

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IT Basic

RDBMS with MYSQL_1

Mention 4 features of MySQL. Security: · A privilege and password system that is very flexible and secure, and that allows host-based verification. · Passwords are secure because all password traffic is encrypted when you connect to a server. Scalability and Limits: · Handles large databases. We use MySQL Server Read more…

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IT Basic

OOPS with Java -2

What is bytecode? Explain. Java is both interpreted and compiled. The code is complied to a bytecode that is binary and platform independent. When the program has to be executed, the code is fetched into the memory and interpreted on the user’s machine. As an interpreted language, Java has simple Read more…

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IT Basic

OOPS with Java

1.Give the features of Java. Java defines data as objects with methods that support the objects. Java is purely object-oriented and provides abstraction, encapsulation, inheritance and polymorphism. Even the most basic program has a class. Any code that you write in Java is inside a class. Java is tuned for Read more…

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IT Basic

Computer Networks -2

Define the term routing. Differentiate static and dynamic routing. Routing (or routeing) is the process of selecting paths in a network along which to send network traffic. Routing is performed for many kinds of networks, including the telephone network, electronic data networks (such as the Internet), and transportation networks. In Read more…

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IT Basic

Computer Networks -1

Write about ISO OSI model. The ISO (International Standards Organization) has created a layered model called the OSI (Open Systems Interconnect) model to describe defined layers in a network operating system. The purpose of the layers is to provide clearly defined functions to improve internetwork connectivity between “computer” manufacturing companies. Read more…

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IT Basic

Operating Systems -2

1. Explain how virtual addresses are mapped on to physical addresses. Let’s assume that we have 1M of RAM. RAM is also called physical memory. We can subdivide the RAM into 4K pages. Thus 1M / 4K = 256 pages. Thus, our RAM has 256 physical pages, weach holding 4K. Read more…

By admin, ago
IT Basic

Operating Systems -1

Explain multi-programmed Batched Operating System. Computer multiprogramming is the allocation of a computer system and its resources to more than one concurrent application, job or userIn multiprogramming, concurrent running (sharing of the processor) is achieved when the operating system identifies opportunities to interrupt the handling of one program between tasks Read more…

By admin, ago