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Mission ISRO Subjects Revision Test-3 (CN & TOC )
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Question 1
Suppose you are browsing the world wide web using a web browser and trying to access the web servers. What is the underlying protocol and port number that are being used?
Question 2
A mechanism or technology used in Ethernet by which two connected devices choose common transmission parameters such as speed, duplex mode and flow control is called
Question 3
The protocol data unit (PDU) for the application layer in the Internet stack is:
Question 4
Phase transition for each bit are used in
Question 5
An Ethernet hub
Question 6
The process of modifying IP address information in IP packet headers while in transit across a traffic routing device is called
Question 7
SHA—1 is a
Question 8
Dynamic routing protocol enables routers to:
Question 9
How many characters per sec (7 bits +1 parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start and 1 stop bit)?
Question 10
What is the number of steps required to derive the string ((() ()) ()) for the following grammar.
SSS
S (S)
S
SSS
S (S)
S
Question 11
Consider the following grammar.
S AB
A a
A BaB
BbbA
Which of the following statements is false?
S AB
A a
A BaB
BbbA
Which of the following statements is false?
Question 12
Let L={w ∈ (0 + 1)*|w has even number of 1s}, i.e. L is the set of all bit strings with even number of 1s. Which one of the regular expression below represents L?
Question 13
Which of the following is FALSE with respect to possible outcomes of executing a Turing Machine over a given input?
Question 14
If L and L’ are recursively enumerable, then L is
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Apr 6GATE & PSU CS