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Explain about the network security. Network security implies the protection of networks and their services through unauthorized access, destruction or disclosure, modificati
Describe the necessary conditions for Deadlock. Required conditions for deadlock 1. Mutual exclusion 2. Hold and wait 3. No preemption 4. Circular wait Mutual e
Describe about the role of bitmap indexes to solve aggregation problems? Ans) Bitmaps are very useful in begin schema to join large databases to small databases. Answer queries
Direct or random access of elements is not possible in:- In Linked list direct or random access of elements is not possible
Differentiate between pre-emptive and non-pre-emptive scheduling. Pre-emptive scheduling : in its approach, center processing unit can be taken away from a process if there is a
Q. Define Logical data as operand data type? Every word or byte is treated like a single unit of data. Whenever an n-bit data unit is considered as comprising n 1-bit items of
Design a 32:1 multiplexer using two 16:1 multiplexers and a 2:1 multiplexer Ans. Design a 32 X 1 MUX by using two 16 X 1 MUX and one 2 X 1. Now here total 32 input lines
In step by step switching line finders are connected to the (A) Calling subscriber. (B) Switching network. (C) Called subscriber. (
Name two special purpose registers. Index register Stack pointer
Q. Options with DIR in DOS? You can use a number of options with DIR. To get the list of files from any other drive, denote the drive name followed by ':' with DIR. For exam
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