Recent questions tagged gateit-2005

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Which is the following expression is equivalent to $(A \oplus B) \oplus C$ ?$(A + B + C) (\bar{A} + \bar{B} + \bar{C})$ $(A + B + C) (\bar{A} + \bar{B} + C)$$ABC + \bar{A...
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https://gateoverflow.in/3784/gate2005-it-37https://gateoverflow.in/8159/gate2015-2-35 (the second answer of this question)both these follow different diagramatic represen...
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7 answers 7 answers
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Consider a simple graph with unit edge costs. Each node in the graph represents a router. Each node maintains a routing table indicating the next hop router to be used to...
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Consider a simple graph with unit edge costs. Each node in the graph represents a router. Each node maintains a routing table indicating the next hop router to be used to...
48 48 votes
8 answers 8 answers
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A sink in a directed graph is a vertex i such that there is an edge from every vertex $j \neq i$ to $i$ and there is no edge from $i$ to any other vertex. A directed grap...
48 48 votes
5 answers 5 answers
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A sink in a directed graph is a vertex i such that there is an edge from every vertex $j \neq i$ to $i$ and there is no edge from $i$ to any other vertex. A directed grap...
44 44 votes
4 answers 4 answers
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Consider the context-free grammar$E\rightarrow E+E$$E\rightarrow (E *E)$$E\rightarrow \text{id}$where $E$ is the starting symbol, the set of terminals is $\{id, (,+,),*\}...
43 43 votes
3 3 answers
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Consider the context-free grammar$E \rightarrow E + E$$E \rightarrow (E * E)$$E \rightarrow id$where $E$ is the starting symbol, the set of terminals is $\{id, (,+,),*\...
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5 answers 5 answers
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A database table $T_1$ has $2000$ records and occupies $80$ disk blocks. Another table $T_2$ has $400$ records and occupies $20$ disk blocks. These two tables have to be ...
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4 answers 4 answers
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A database table $T_1$ has $2000$ records and occupies $80$ disk blocks. Another table $T_2$ has $400$ records and occupies $20$ disk blocks. These two tables have to be ...
99 99 votes
7 answers 7 answers
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A disk has $8$ equidistant tracks. The diameters of the innermost and outermost tracks are $1$ cm and $8$ cm respectively. The innermost track has a storage capacity of $...
54 54 votes
4 answers 4 answers
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A disk has $8$ equidistant tracks. The diameters of the innermost and outermost tracks are $1$ cm and $8$ cm respectively. The innermost track has a storage capacity of $...
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Given below is an excerpt of an xml specification. <!DOCTYPE library SYSTEM "library.dtd" <Book <title GATE 2005 </title <type value = "BROCHURE"/ <accno>10237623786</acc...
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3 answers 3 answers
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Suppose that two parties $A$ and $B$ wish to setup a common secret key (D-H key) between themselves using the Diffie-Hellman key exchange technique. They agree on $7$ as ...
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5 answers 5 answers
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Consider the following message $M = 1010001101$. The cyclic redundancy check (CRC) for this message using the divisor polynomial $x^5+x^4+x^2+1$ is :$01110$$01011$$10101$...
67 67 votes
5 answers 5 answers
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Assume that "host1.mydomain.dom" has an IP address of $145.128.16.8$. Which of the following options would be most appropriate as a subsequence of steps in performing the...
68 68 votes
7 answers 7 answers
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A company has a class $C$ network address of $204.204.204.0$. It wishes to have three subnets, one with $100$ hosts and two with $50$ hosts each. Which one of the followi...
87 87 votes
7 answers 7 answers
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In a TDM medium access control bus LAN, each station is assigned one time slot per cycle for transmission. Assume that the length of each time slot is the time to transmi...
58 58 votes
6 answers 6 answers
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In a communication network, a packet of length $L$ bits takes link $L_1$ with a probability of $p_1$ or link $L_2$ with a probability of $p_2$. Link $L_1$ and $L_2$ have ...
111 111 votes
12 answers 12 answers
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On a TCP connection, current congestion window size is Congestion Window = $4$ KB. The window size advertised by the receiver is Advertise Window = $6$ KB. The last byte ...
41 41 votes
6 answers 6 answers
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A channel has a bit rate of $4$ $kbps$ and one-way propagation delay of $20$ $ms$. The channel uses stop and wait protocol. The transmission time of the acknowledgment fr...
45 45 votes
4 answers 4 answers
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A network with CSMA/CD protocol in the MAC layer is running at $1 \text{Gbps}$ over a $1 \text{km}$ cable with no repeaters. The signal speed in the cable is $2 \times 1...
39 39 votes
2 answers 2 answers
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In a schema with attributes $A, B, C, D$ and $E$ following set of functional dependencies are given $A \rightarrow B$$A \rightarrow C$$CD \rightarrow E$$B \rightarrow D$...
75 75 votes
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In an inventory management system implemented at a trading corporation, there are several tables designed to hold all the information. Amongst these, the following two ta...
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6 answers 6 answers
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A table 'student' with schema (roll, name, hostel, marks), and another table 'hobby' with schema (roll, hobbyname) contains records as shown below:$$\overset{\text{Table:...
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3 answers 3 answers
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A company maintains records of sales made by its salespersons and pays them commission based on each individual's total sales made in a year. This data is maintained in a...
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2 2 answers
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In a data flow diagram, the segment shown below is identified as having transaction flow characteristics, with $p_2$ identified as the transaction centerA first level arc...
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Tb carry out white box testing of a program, its flow chart representation is obtained as shown in the figure below:For basis path based testing of this program, its cycl...
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The availability of a complex software is 90%. Its Mean Time Between Failure (MTBF) is 200 days. Because of the critical nature of the usage, the organization deploying t...