Binary Ciphernac-tech questions
1.If 2x-y=4 then 6x-3y=?(a)15 (b)12 (c)18 (d)10Ans. (b) 2.If x=y=2z and xyz=256 then what is the value of x?(a)12 (b)8 (c)16 (d)6Ans. (b) 3. (1/10)18 – (1/10)20 = ?(a) 99/1020 (b) 99/10 (c) 0.9 (d) none of theseAns. (a) 4.Pipe…
Koti Syamala
UML Relationship types
A relationship is a connection between model elements. A UML relationship adds semantics to a model. In the product, you can use several UML relationships to define the structure between model elements. Examples of relationships include associations, dependencies, generalizations, realizations,…
IP Fragmentation
The physical network layer normally imposes an upper limit on the size of the frame that can be transmitted. Whenever the IP layer receives an IP datagram to send, it determines which local interface the datagram is being sent on…
Finger Protocol IN NETWORKS
The finger protocol retrieves user-specific information stored in the user log file. To request user information from a server it must be running the finger protocol. The information is requested by reading a finger URL that contains a username and…
DBMS LAB PRACTICE QUESTIONS ON JOINS
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DBMS LAB PRACTICE QUESTIONS
1. Write a query for each employee, display the employee number, last name, salary increased by 15% and expressed as a whole number. Label the column New Salary. 2. For above query add a column that subtracts the old salary…
DBMS QUESTIONS
1) Write DCL statements? 2) Difference between RDBMS and ORDBMS? 3) What is projection? 4) What are Oracle9i products? 5) Key components in ER model? 6) How can we find particular field in a table? 7) Difference between SQL and…
Introduction to networks
1.2.1 Local Area Networks L ocal area networks, generally called LANs, are privately-owned networks within a single building or campus of up to a few kilometers in size. They are widely used to connect personal computers and workstations in company offices…
DBMS querys
1 –> Explain set operators with examples? Solve the following queries: 1) Write a query that displays the employee’s last names with the first letter capitalized and all other letters lowercase and the length of the name for all…
Introduction to Design and Analysis of Alogorithms
What is an algorithm? Our text defines an algorithm to be any well-defined computational procedure that takes some values as input and produces some values as output. Like a cooking recipe, an algorithm provides a step-by-step method for solving a…