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1
What is co exact syllabus
closed Sep 13, 2018 in CO and Architecture 52 views
1 answer
2
Solve the following recurrence relation :- N(h)=N(h−1)+N(h−2)+1
asked Jul 27, 2018 in Programming 155 views
1 answer
4
Is the chapter Complex functions part of gate 2019 maths syllabus? Previously questions about analytic functions have been asked a lot. Are they part of the syllabus?
asked Jul 3, 2018 in Mathematical Logic 347 views
1 answer
5
Which of the following is correct ? I.Two phase locking is an optimistic protocol. II. Two phase locking is pessimistic protocol III. Time stamping is an optimistic protocol. IV. Time stamping is pessimistic protocol. A I and III B II and IV C I and IV D II and III
asked Jun 30, 2018 in Databases 234 views
0 answers
6
Why is a function not differentiable at x=k when f'(x) limits to infinity? Limit can be infinite too?
asked Jun 25, 2018 in Mathematical Logic 118 views
1 answer
7
What is the derivative of the following function at x=0? F(x)= x ^(1/3)
asked Jun 25, 2018 in Mathematical Logic 114 views
1 answer
8
Let A be a 4×3 real matrix with rank 2. Let B be transpose matrix of A. Which one of the following statement is TRUE? (a) Rank of BA is less than 2. (b) Rank of BA is equal to 2. (c) Rank of BA is greater than 2. (d) Rank of BA can be any number between 1 and 3.
asked Jun 21, 2018 in Mathematical Logic 586 views
1 answer
9
An ACK number of $1000$ in TCP always means that $999$ bytes have been successfully received $1000$ bytes have been successfully received $1001$ bytes have been successfully received None of the above
asked Jun 18, 2018 in Computer Networks 245 views
1 answer
10
Which statement is false? PING is a TCP/IP application that sends datagrams once every second in the hope of an echo response from the machine being PINGED If the machine is connected and running a TCP/IP protocol stack, it should respond to the PING datagram ... condition, an ICMP message is not returned PING display the time of the return response in milliseconds or one of several error message
asked Jun 18, 2018 in Computer Networks 176 views
2 answers
11
The address of a class $B$ host is to be split into subnets with a $6-bit$ subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet? $62$ subnets and $262142$ hosts. $64$ subnets and $262142$ hosts. $62$ subnets and $1022$ hosts. $64$ subnets and $1024$ hosts
asked Jun 18, 2018 in Computer Networks 384 views
1 answer
12
Which of the following option is false regarding option field in the $IPv4$ header: The Value of "Type" in the Security option field of an IPv4 header is $131$. If the header length is greater than $5$ (i.e., it is from $6$ to $15$) it means that ... and must be considered. Copied, Option Class, and Option Number are sometimes referred to as a single eight-bit field, the Option Type. None of these
asked Jun 18, 2018 in Computer Networks 321 views
1 answer
13
An analog signal has a bit rate of 8000 bps and a baud rate of 1000. Then analog signal has _____ signal elements and carry _____ data elements in each signal. (A) 256, 8 bits (B) 128, 4 bits (C) 256, 4 bits (D) 128, 8 bits
commented Jun 15, 2018 in Computer Networks 625 views
1 answer
14
Consider the following routing table of a router. Consider the following three IP addresses. How are the packets with above three destination IP addresses are forwarded? (A) 1->D, 2->B, 3->B (B) 1->D, 2->B, 3->D (C) 1->B, 2->D, 3->D (D) 1->D, 2->D, 3->D
asked Jun 15, 2018 in Computer Networks 533 views
1 answer
15
Let C be a binary linear code with minimum distance 2t + 1 then it can correct upto _____ bits of error. A t + 1 B t C t - 2 D t / 2
asked Jun 15, 2018 in Computer Networks 542 views
1 answer
16
In a token ring network the transmission speed is 107 bps and the propagation speed is 200 meters/ μs. The 1-bit delay in this network is equivalent to: (A) 500 meters of cable. (B) 200 meters of cable. (C) 20 meters of cable. (D) 50 meters of cable.
asked Jun 15, 2018 in Computer Networks 275 views
1 answer
17
Which of the following statement is False about the efficiency of the given channel ? A If we want to send big packets on the channel, then Stop and Wait is good choice. B If length of packet increases, efficiency of channel also increases. C Distance between sender and receiver is directly proportional to efficiency of channel. D Efficient might be less if capacity of channel is high
asked Jun 15, 2018 in Computer Networks 583 views
2 answers
18
When is TTL decreased? 1- only at routers? 2- any device having network layer (including hosts in between the path) : example: source subnet has ethernet and destination subnet has token ring : all hosts and routers that come in packets.s path will decrease TTL or only router will decrease TTL?
commented Jun 14, 2018 in Computer Networks 116 views
3 answers
19
Why is recursive equation of following code $T(n)=T(n/2)+O(1)$, not $T(n)=8*T(n/2)+O(1)$? int x=0; int A(n) { if(n==1) return 1; else { X+=8A(n/2)+n^3; } return X; }
asked May 29, 2018 in Algorithms 465 views
2 answers
20
int x=0; int A(n) { statement //takes O(1) time if(n==1) return 1; else { $X+=8.A\left ( \frac{n}{2}\right )+n^3$; } return X; } What is the time complexity f the above code?
commented May 28, 2018 in Algorithms 577 views
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