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What is a shell?
A shell is an interactive user interface to an operating system services that permits an user to enter commands as character strings or by a graphical user interface. The shell changes them to system calls to the OS or forks off a process to execute the command. System call results and other information from the OS are presented to the user through an interactive interface.
What is Indexed addressing The location of data is calculated as sum of an address specified by one of previous methods, and value of an index register. This allows an array of
What are the two phases in the advancement of Linux? State some Applications of Open Source Systems? Finance Educational Data Storage and Management ERP (Ent
Q. What are the basic types of Transmission technologies, basis on which computer networks will be categorized? Ans: Broadly there are two kinds of transmission technology:
Problem: (a) Cellular systems are based on two types of multiplexing, what are those two types of multiplexing? Describe how they are used to improve channel allocation in cel
a) Total available bandwidth = 1 Mbps = 1000 Kbps Each user requires send data at the rate of = 500 kbps As it is circuit switched network we have to dedicate the bandwidth So the
Design a 8 to 1 multiplexer by using the fourvariable function given by F(A, B, C, D) = ∑ m(0,1,3,4,8,9,15). Ans. Design of 8 to 1 Multiplexer: It is a four-variable function a
Logic-based Expert Systems - Artificial intelligence: Expert systems are agents which are programmed to make decisions about real world situations. They are put together by uti
Challenges Facing Operations Managers - Information Systems While information systems should be seen as tools that enable better performance their implementation also brings a
Compare the basic COCOMO model with the detailed COCOMO model. COCOMO having of a hierarchy of three increasingly detailed and accurate forms. - Basic COCOMO - is a stati
ALU ORGANISATION An ALU performs simple arithmetic and logic operation as well as shift operations. Complexity of an ALU relies on the type of instruction set for that it has b
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