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Questions by Satbir

6 votes
3 answers
1
ISRO2020-66
The following circuit compares two $2$-bit binary numbers, $X$ and $Y$ represented by $X_1X_0$ and $Y_1Y_0$ respectively. ($X_0$ and $Y_0$ represent Least Significant Bits) Under what conditions $Z$ will be $1$? $X>Y$ $X<Y$ $X=Y$ $X!=Y$
The following circuit compares two $2$-bit binary numbers, $X$ and $Y$ represented by $X_1X_0$ and $Y_1Y_0$ respectively. ($X_0$ and $Y_0$ represent Least Significant Bit...
4 votes
4 answers
3
ISRO2020-57
The hardware implementation which provides mutual exclusion is Semaphores Test and set instructions Both options None of the options
The hardware implementation which provides mutual exclusion isSemaphoresTest and set instructionsBoth optionsNone of the options
6 votes
5 answers
4
ISRO2020-55
If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to $8$ $16$ $18$ $20$
If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to$8$$16$$18$$20$
4 votes
4 answers
5
ISRO2020-54
Checksum field in TCP header is ones complement of sum of header and data in bytes ones complement of sum of header, data and pseudo header in $16$ bit words dropped from $\textsf{IPv6}$ header format better than $\textsf{md5}$ or $\textsf{sh1}$ methods
Checksum field in TCP header isones complement of sum of header and data in bytesones complement of sum of header, data and pseudo header in $16$ bit wordsdropped from $\...
4 votes
3 answers
7
ISRO2020-17
Which one indicates a technique of building cross compilers? Beta cross Canadian cross Mexican cross X-cross
Which one indicates a technique of building cross compilers?Beta crossCanadian crossMexican crossX-cross
6 votes
5 answers
8
ISRO2020-16
A computer which issues instructions in order, has only $2$ registers and $3$ opcodes $\text{ADD, SUB}$ and $\text{MOV}$. Consider $2$ ... by how many $\text{MOV}$ instructions? $\text{Case 2,2}$ $\text{Case 2,3}$ $\text{Case 1,2}$ $\text{Case 1,3}$
A computer which issues instructions in order, has only $2$ registers and $3$ opcodes $\text{ADD, SUB}$ and $\text{MOV}$. Consider $2$ different implementations of the fo...
4 votes
5 answers
9
ISRO2020-15
A stack organized computer is characterised by instructions with indirect addressing direct addressing zero addressing index addressing
A stack organized computer is characterised by instructions withindirect addressingdirect addressingzero addressingindex addressing
6 votes
5 answers
10
ISRO2020-61
What is the output of the code given below? # include<stdio.h> int main() { char name[]="satellites"; int len; int size; len= strlen(name); size = sizeof(name); printf("%d",len*size); return 0; } $100$ $110$ $40$ $44$
What is the output of the code given below?# include<stdio.h int main() { char name[]="satellites"; int len; int size; len= strlen(name); size = sizeof(name); printf("%d"...
3 votes
4 answers
11
ISRO2020-60
A given grammar is called ambiguous if two or more productions have the same non-terminal on the left hand side a derivation tree has more than one associated sentence there is a sentence with more than one derivation tree corresponding to it brackets are not present in the grammar
A given grammar is called ambiguous iftwo or more productions have the same non-terminal on the left hand sidea derivation tree has more than one associated sentencethere...
2 votes
3 answers
12
ISRO2020-59
Consider the following recursive C function that takes two arguments unsigned int rer(unsigned int n, unsigned int r){ if(n>0)return(n%r + rer(n/r,r)); else retturn 0; } What is the return value of the function $rer$ when it is called as $rer(513,2)$? $9$ $8$ $5$ $2$
Consider the following recursive C function that takes two argumentsunsigned int rer(unsigned int n, unsigned int r){ if(n>0)return(n%r + rer(n/r,r)); else retturn 0; }Wh...
4 votes
5 answers
13
ISRO2020-58
Remote Procedure Calls are used for communication between two processes remotely different from each other on the same system communication between two processes on the same system communication between two processes on the separate systems none of the above
Remote Procedure Calls are used forcommunication between two processes remotely different from each other on the same systemcommunication between two processes on the sam...
3 votes
1 answer
14
ISRO2020-42
Which of the following is a type of a out-of-order execution, with the reordering done by a compiler loop unrolling dead code elimination strength reduction software pipelining
Which of the following is a type of a out-of-order execution, with the reordering done by a compilerloop unrollingdead code eliminationstrength reductionsoftware pipelini...
7 votes
5 answers
15
ISRO2020-41
Minimum number of states required in DFA accepting binary strings not ending in $\text{“101”}$ is $3$ $4$ $5$ $6$
Minimum number of states required in DFA accepting binary strings not ending in $\text{“101”}$ is$3$$4$$5$$6$
1 votes
2 answers
16
ISRO2020-40
Which of the following classes of languages can validate an $\text{IPv4}$ address in dotted decimal format? It is to be ensured that the decimal values lie between $0$ and $255$. RE and higher CFG and higher CSG and higher Recursively enumerable language
Which of the following classes of languages can validate an $\text{IPv4}$ address in dotted decimal format? It is to be ensured that the decimal values lie between $0$ an...
3 votes
3 answers
18
ISRO2020-38
Which of the following is true? Every subset of a regular set is regular Every finite subset of non-regular set is regular The union of two non regular set is not regular Infinite union of finite set is regular
Which of the following is true?Every subset of a regular set is regularEvery finite subset of non-regular set is regularThe union of two non regular set is not regularInf...
2 votes
4 answers
19
ISRO2020-37
Context free languages are closed under union, intersection union, kleene closure intersection, complement complement, kleene closure
Context free languages are closed underunion, intersectionunion, kleene closureintersection, complementcomplement, kleene closure
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