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cache memory
A 2-way set associative write back cache with true LRU replacement requires 15 * 29 bits to implement its tag store per set(including bits for valid, dirty and ... . What is the maximum size of the data store of the cache in bytes?
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self doubt
In a box, 10 coins are drawn at random out of 50 coins numbered from 1 to 50. What is the expected value of the sum of numbers on the drawn coins?answer is given 250 i am getting 255??
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conflict serilizable
if i neglect T2 then its conflict sserilizable but if i dont neglect T2 then its not conflict serilizable ???
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Conflict equivalent
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#doubt
Statement 1 : For every DCFL there exits a LR(0) or a LR(1) grammer.Statement 2 : For every DCFL there exits a LR(1) grammer.Which is true??
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c o/p
what is the o/p?int main() { char inchar = 'A'; switch (inchar) { case 'A' : printf ("choice A \n") ; case 'B' : { printf ("choice B") ; break; } case 'C ... 'D' : case 'E' : default: printf ("No Choice") ; } }my guess is -choice Achoice B
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Probability
If A and B are independent, then A and Bc are also independentIs it true or false?
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Probability
An employee X is collecting donation for a social cause from his co employees at work. More than half of the donations that X received have been in ... could be relation between Mean, Mode , Median regarding the distribution of donations?
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file size
A unix-style I-node has the following specifications:The maximum possible file size is ___________ GB. plz explain??
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Probability
Can someone mathematically derive this equation?P(A/B)>P(A)
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relationst
How many relations are there which are reflexive antisymmetric and symmetric?
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set-associative
Consider a small 2-way set associative cache memory, consisting of 4 blocks. For choosing the block to be replaced, use LRU scheme. Consider that block address 4 and 2 are ... sequence of block addresses 4, 6, 8, 16, 2, 2, 4 are ______.
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general aptitude
important topics to prepare gate aptitude for cs
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Database transaction single user environment
Indicate how the recovery schema works on single user environment if system failsi) After the transaction starts and before read.ii) After the read and before write.iii) After the write and before commit.AnswerRequest▾
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Infix to postfix time complexity
Sir it is given everywhere that time complexity of infix to postfix is O(1) but according to algorithm for some operators we have to traverse back the stack until ... than this so is it always O(1 ) even if we do amortized analysis
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Stack
Consider a stack and we wish to perform an operation StackDelete() in which we wish to delete all the elements of the stack .What is the worst case time complexity of doing this if stack is implemented:1) Using an array2)Using a Linked list
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Set theory : Number of functions
The number of ways possible to form injective function from set A set B where |A| = 3 and |B| = 5 such that pth element of set A cannot match with pth element of set B are ??
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Set Theory
How(In S3: statement) phi is a subset of P(S) ?? It must be {phi} . Right??
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tcp congestion control
Consider the effect of using slow start on a line with 10 msec round trip time. The receiver window and the size of congestion window are set to 38 KB and 36 KB ... (in msec). Assume window size at the start of slow start phase is 2 KB.
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Parser Recognition
A)LL(k) grammar has one to one correspondence to DCFLB)LR(k) grammar has one to one correspondence to CFLWhich one is true?
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Find LL(k) and LR(k)
Among NCFL, CSL and Recursive languagesanyone is LL(k) or LR(k)Give some reason
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me test series
Consider station A send data to station B . Data frame contain MAC address, IP address and port address. Which of the ... change on intermediate router.Destination IP addressDestination MAC addressSource MAC addressSource IP address
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test series
Consider an array defined as M[0 ..10][0 ..20]. When we refer an array element M[P][Q], we wish to check that this is a valid access to an array element. Consider ... II II and III I and III Any two will not be enough. We need I, II, III.
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test series
Assume that p and q are pointers. What will be the output after performing following sets of operations on a given linked list ?struct node{char data; ... q→next;IV. printf("%c", p→next→next→next→next→data); e f dSegmentation fault
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iit placement query
Hello I am into permanent job in government organization . Presently i am 30 years old . This year i am giving gate 2018. If i get admission in Some iits' ... or they will not allow to sit in placement , Can someone say anything about this,
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Test series
How it solve this ?
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DBMS doubt
please give me idea/ formulae MIN/MAX leaf node ,internal node in B and B+ tree
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What is the family of language described?
Let $L_1$ and $L_2$ are two languages and both of them are accepted by DPDA. If $L=L_1-L_2$ is any languange , then what is the smallest language family $L'$ belongs to?
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Gate 2016 Set 1 Digital Logic 2's complement representation
Is 1's/2's complement valid only for negative numbers? If 2's complement of a number is 1111111111110101, then the number should be 0000000000001011. Then the decimal representation should be +11. But the answer is -11.
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