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Describe about the Forms- DBMS
Forms are generally known as data entry screens as they are user interface that allows data in the tables to be viewed, edited or entered. Forms allow the control of how other users interact with information in database for example only allow certain fields to be seen or only permit certain operations to be carried out. This subsequently helps protection of the information and also ensures it's entered correctly.
Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift keying (b) F
Difference between data warehousing and data mining The difference between data warehousing and data mining is that data warehousing shows to the data storage while data mining
to find the area under curve
Explain the working of a 2-bit digital comparator with the help of Truth Table. Ans. Digital comparator is a combinational circuit which compares two numbers, A and B; and
Q. Describe Critical Directive in FORTAN? The critical directive permits one thread executes associated structured block. When one or more threads attain critical directive the
List the factors that determine the storage device performance. i.Access time ii.Cycle time iii.Transfer Rate.
Q Use as few gates as possible, design a NAND-to-AND gate network that realize the following Boolean algebra expression. ABCD + A'BC'D + A'BC'D' + A'BCD + (A'B'C'D' + A'BCD')
Propositional truth tables: There {X\t} is a substitution that replaces all occurances of variable X with a term representing an object t as: ∀X. A is true if and only
What are the disadvantages of file processing system?
processor, computer science
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