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Recent questions tagged nielit-2018
3
votes
3
answers
31
NIELIT 2018-31
Identify the subnet mask for the given direct broadcast address of subnet is $201.15.16.31$ $255.255.192.192$ $255.255.255.198$ $255.255.255.240$ $255.255.257.240$
Arjun
asked
in
Computer Networks
Dec 7, 2018
by
Arjun
2.3k
views
nielit-2018
computer-networks
subnetting
1
vote
3
answers
32
NIELIT 2018-32
The context free grammar $S \rightarrow aSb \mid bSa \mid \epsilon$ generates: Equal number of a’s and b’s Unequal number of a’s and b’s Any number of a’s followed by any number of b’s Any number of b’s followed by any number of a’s
Arjun
asked
in
Compiler Design
Dec 7, 2018
by
Arjun
2.0k
views
nielit-2018
compiler-design
context-free-grammar
1
vote
3
answers
33
NIELIT 2018-33
The language $\{ W^a X^b Y^{a+b} \mid a, b, >1\}$ is Regular Context-free but not regular Context sensitive but not context free Type$=0$ but not context sensitive
Arjun
asked
in
Compiler Design
Dec 7, 2018
by
Arjun
1.2k
views
nielit-2018
compiler-design
context-free-language
1
vote
2
answers
34
NIELIT 2018-34
Identify the true statement from the given statements: Number of child pointers in a B/B+ tree node is always equal to number of keys in it plus one B/B+ tree is defined by a term minimum degree. And minimum degree depends on hard disk block size, key and address size (1) (1) and (2) (2) None of these
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
2.0k
views
nielit-2018
databases
btrees
0
votes
2
answers
35
NIELIT 2018-35
Baud rate measures the number of ____ transmitted per second Symbols Bits Byte None of these
Arjun
asked
in
Others
Dec 7, 2018
by
Arjun
2.6k
views
nielit-2018
2
votes
3
answers
36
NIELIT 2018-36
______ is NOT a part of the ACID properties Inconsistency Consistency Atomicity Isolation
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
949
views
nielit-2018
databases
transactions-and-concurrency-control
1
vote
3
answers
37
NIELIT 2018-37
The smallest element that can be found in time ____ in a binary max heap. $O(n \log n)$ $O( \log n)$ $O(n)$ $O(n^2)$
Arjun
asked
in
DS
Dec 7, 2018
by
Arjun
1.3k
views
nielit-2018
data-structures
binary-heap
0
votes
1
answer
38
NIELIT 2018-38
Find the effective access time for the memory for the given data. Page fault service time $=8$ ms Average memory access time $=20$ ns One page fault is generated for every memory access $=10^6$ $29$ ns $33$ ns $28$ ns $30$ ns
Arjun
asked
in
Operating System
Dec 7, 2018
by
Arjun
2.1k
views
nielit-2018
operating-system
memory-management
1
vote
3
answers
39
NIELIT 2018-39
A RAM chip has a capacity of $1024$ words of $8$ bits each $(1K \times 8)$. The number of $2 \times 4$ decoders with enable line needed to construct a $32 K \times 8$ RAM from $1K \times 8$ RAM is $4$ $5$ $6$ $7$
Arjun
asked
in
Digital Logic
Dec 7, 2018
by
Arjun
2.7k
views
nielit-2018
digital-logic
combinational-circuit
decoder
0
votes
3
answers
40
NIELIT 2018-40
Consider the following Finite State Automaton. The language accepted by the automaton is given by the regular expression. $ab^*b^*$ $a^*b^*$ $b^*b$ $b^*ab^*$
Arjun
asked
in
Theory of Computation
Dec 7, 2018
by
Arjun
921
views
nielit-2018
theory-of-computation
finite-automata
1
vote
1
answer
41
NIELIT 2018-41
____ is used to convert from recursive to iterative implementation of an algorithm Array Tree Stack Queue
Arjun
asked
in
Programming in C
Dec 7, 2018
by
Arjun
3.0k
views
nielit-2018
data-structures
1
vote
2
answers
42
NIELIT 2018-42
____ symbol is used to denote derived attributes in ER model Dashed ellipse Squared ellipse Ellipse with attribute name underlined Rectangular Box
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
1.4k
views
nielit-2018
databases
relational-model
0
votes
1
answer
43
NIELIT 2018-43
Which of the following languages over the alphabet $[0,1]$ is described by the given regular expression: $(0+1)^*1(0+1)^*1$? The set of all strings containing the substring $11$ The set of all strings containing at most two $1$’s The set of all strings containing at least two $1$’s The set of all strings that begins and ends with only $0$
Arjun
asked
in
Theory of Computation
Dec 7, 2018
by
Arjun
3.6k
views
nielit-2018
theory-of-computation
regular-expression
1
vote
3
answers
44
NIELIT 2018-44
Time to Live(TTL) field in the IP datagram is used ______ to optimize throughput to prevent packet looping to reduce delays to prioritize packets
Arjun
asked
in
Computer Networks
Dec 7, 2018
by
Arjun
1.8k
views
nielit-2018
computer-networks
ttl
2
votes
3
answers
45
NIELIT 2018-45
______ transport layer protocol is used to support electronic mail SNMP IP SMTP TCP
Arjun
asked
in
Computer Networks
Dec 7, 2018
by
Arjun
2.2k
views
nielit-2018
computer-networks
transport-layer
1
vote
1
answer
46
NIELIT 2018-46
The hexadecimal representation of $(632)_8$ is $19A$ $198$ $29A$ $291$
Arjun
asked
in
Digital Logic
Dec 7, 2018
by
Arjun
1.4k
views
nielit-2018
digital-logic
number-representation
1
vote
1
answer
47
NIELIT 2018-47
______ sorting algorithms has the lowest worst-case complexity. Selection Sort Bubble Sort Merge Sort Quick Sort
Arjun
asked
in
Algorithms
Dec 7, 2018
by
Arjun
17.0k
views
nielit-2018
algorithms
sorting
0
votes
2
answers
48
NIELIT 2018-48
Decreasing the RAM causes fewer page faults more page faults virtual memory gets increased virtual memory gets decreased
Arjun
asked
in
Operating System
Dec 7, 2018
by
Arjun
3.4k
views
nielit-2018
operating-system
virtual-memory
4
votes
3
answers
49
NIELIT 2018-49
The following table has two attributes $X$ and $Y$ where $X$ is the primary key and $Y$ is the foreign key referencing $X$ ... $(4,3)$ and $(6,4)$ $(2,4)$ and $(7,2)$ $(3,2)$ and $(9,5)$ $(3,4), (4,5)$ and $(6,4)$
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
3.6k
views
nielit-2018
databases
referential-integrity
0
votes
1
answer
50
NIELIT 2018-50
The process executes the following code and after execution ______ number of child process get created fork(); fork(); fork(); fork(); $4$ $1$ $15$ $16$
Arjun
asked
in
Operating System
Dec 7, 2018
by
Arjun
2.5k
views
nielit-2018
operating-system
0
votes
2
answers
51
NIELIT 2018-51
_____ is holding an entry for each terminal symbol and is acting as permanent database. Variable Table Terminal Table Keyword Table Identifier Table
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
2.3k
views
nielit-2018
databases
0
votes
2
answers
52
NIELIT 2018-52
In the disk, swap space is used to _______. save XML files save process data save drivers save HTML files
Arjun
asked
in
Operating System
Dec 7, 2018
by
Arjun
1.2k
views
nielit-2018
operating-system
disk
1
vote
1
answer
53
NIELIT 2018-53
Identify the true statement from the given statements. HTTP may use different TCP connection for different objects of a webpage if non-persistent connections are used FTP uses two TCP connections, one for data and another control TELNET and FTP can only use TWO connections at a time $1$ $1$ and $2$ $2$ and $3$ $1$, $2$ and $3$
Arjun
asked
in
Computer Networks
Dec 7, 2018
by
Arjun
2.7k
views
nielit-2018
computer-networks
network-protocols
5
votes
5
answers
54
NIELIT 2018-54
______ to evaluate an expression without any embedded function calls. Two stacks are required one stack is needed Three stacks are required More than three stacks are required
Arjun
asked
in
DS
Dec 7, 2018
by
Arjun
2.1k
views
nielit-2018
data-structures
stack
expression-evaluation
1
vote
3
answers
55
NIELIT 2018-55
Maximum number of superkeys for the relation schema $R(X,Y,Z,W)$ with $X$ as the key is $6$ $8$ $9$ $12$
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
3.3k
views
nielit-2018
databases
superkeys
0
votes
4
answers
56
NIELIT 2018-56
Identify the total number of tokens in the given statement printf("A%B=",&i); $7$ $8$ $9$ $13$
Arjun
asked
in
Compiler Design
Dec 7, 2018
by
Arjun
2.6k
views
nielit-2018
compiler-design
compiler-tokenization
0
votes
1
answer
57
NIELIT 2018-57
In a system, counting semaphore was initialized to $10$, then $6P$(wait) operations and $4V$ (signal) operations were completed on this semaphore. So _____ is the final value of the semaphore. $7$ $8$ $13$ $12$
Arjun
asked
in
Operating System
Dec 7, 2018
by
Arjun
955
views
nielit-2018
operating-system
semaphore
1
vote
3
answers
58
NIELIT 2018-58
Consider the following functional dependencies in a database: $A \rightarrow B$ $B \rightarrow C$ $D \rightarrow E$ $E \rightarrow D$ $F \rightarrow G$ $F \rightarrow H$ $(E,F) \rightarrow I$ The relation $(E,D,A,B)$ is $2$ NF $3$ NF BCNF None of the above
Arjun
asked
in
Databases
Dec 7, 2018
by
Arjun
2.4k
views
nielit-2018
databases
data-dependency
2
votes
2
answers
59
NIELIT 2018-59
$(A+C’)(B’+C’)$ simplifies to $AC’+B’$ $C(A’+B’)$ $BC’+A$ $AB’+C’$
Arjun
asked
in
Digital Logic
Dec 7, 2018
by
Arjun
847
views
nielit-2018
digital-logic
boolean-algebra
1
vote
1
answer
60
NIELIT 2018-60
If the period of a signal is $100$ ms. Then its frequency in Hertz is ______ $10$ $100$ $1000$ $10000$
Arjun
asked
in
CO and Architecture
Dec 7, 2018
by
Arjun
1.5k
views
nielit-2018
co-and-architecture
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