# Recent questions tagged go2019-flt1

1 vote
1
"Ambition is a useful ____ that leads people to greatness, but it can also be ____ force". Fill in the blanks with the most suitable words. factor, an inspirational indicator, a pulsating motivator, a destructive tenet, a resisting
1 vote
2
"He found a $\underline{lucrative}$ assignment." Which of the following words is nearly same in the meaning as that of the underlined word? Good Profitable Excellent Significant'
3
$N$ is the smallest number that has $5$ factors. How many factors does $N-1$ have? $4$ $6$ $5$ $3$
1 vote
4
What is the value of $(x \% \text{ of } y) + (y \% \text{ of } x)$? $20 \% \text{ of } x/y$ $2 \% \text{ of } x/y$ $2 \% \text{ of } xy$ $20 \% \text{ of } xy$
5
A book contains $100$ pages. A page is chosen at random. What is the chance that the sum of the digits on the page is equal to $8$? $0.08$ $0.09$ $0.90$ $0.10$
6
The remainder when $'m+n'$ is divided by $12$ is $8$, and the remainder when $'m-n'$ is divided by $12$ is $6$ . If $m>n$,then what is the remainder when $'mn'$ is divided by $6$? (Integer answer type)
7
If $a/b=c/d$, then which of the following does not hold good? $(a+b)/b=(c+d)/d$ $(a+c)/(b+d)=(a-c)/(b-d)$ $(a+b)/(a-b)=(c+d)/(c-d)$ $(a+c)/(b-d)=(a-c)(b+d)$
8
What is the value of $\{ ( 1/ \log_3 60)+ (1/ \log_4 60 ) + (1/ \log_5 60) \}$? $0$ $1$ $5$ $60$
9
The speed of a bus during the second hour of the journey is twice that in the first hour. Also, its speed in the third hour is two-third the sum of its speeds in the first two hours. Had the bus travelled for three hours at the speed of the first hour, it would have travelled ... speed of the bus for the first three hours. $100 \text{kmph}$ $80 \text{kmph}$ $70 \text{kmph}$ $60 \text{kmph}$
1 vote
10
If $A+B$ means $A$ is the brother of $B$, $A-B$ means A is the sister of $B$, $A \times B$ means $A$ is the father of $B$. Then which of the following means that $C$ is the son of $M$? $M-N \times C +F$ $M \times N - C +F$ $F-C+N \times M$ $N+M - F \times C$
11
Which one of the following best expresses the generating function sequence $\{a_n\}$, for the given closed form representation? $F(x) = \frac{1}{1-x-x^2}$ $a_n=a_{n-1}+3, n>0, a_0=1$ $a_n=a_{n-1}+a_{n-2}, n>1, a_0=1, a_1=1$ $a_n=2n+3, n>1$ $a_n=2a_{n-1}+3, n>1, a_0=1$
12
Consider a parent process $P$ that has forked a child process $C$. $C$ has again forked another child process $D$. Now $P$ terminates while $C$ and $D$ are still running. In this case, which of the following statements is true? $P$ immediately becomes a ... $P$ $P$ immediately becomes an orphan process, until adopted by its parent
13
For a given $m$-ary tree, the relationship between leaf nodes and internal nodes is represented by the graph given below. What is the value of $'m'$? Take necessary approximations to nearest integer if required (Integer type)
14
Let $S(x,y,z)$ and $C(x,y,z)$ represents the Sum & Carry function of a full adder circuit. Which of the following options best represents $S(x,y,z)$ and $C(x,y,z)$ respectively? $x \oplus y \oplus z, y( x \oplus z)+xy$ $x \oplus y \oplus z, y(x+y+z)$ $x \odot y \odot z, z(x+y)+xy$ $\text{None of these}$
15
The task of adjusting programs so that they may be placed in arbitrary core locations is called relocation. This task is often performed by the relocating loaders. Given below are the tasks performed by the relocating loaders. Identify the correct sequence in which the tasks need to be performed. 1. Resolve symbolic references between ... $2 \: 1 \: 3 \: 4$ $3 \: 1 \: 4 \: 2$ $2 \: 1 \: 4 \: 3$
16
Which one of the following statements is not correct? For non-deterministic push down automata (NPDA), set of all languages accepted by empty stack is always a proper subset of set of all languages accepted by final state For deterministic push down automata ( ... by final state A grammar which generates a DCFL may be ambiguous A deterministic context free grammar (DCFG) can never be ambiguous
17
Let $P$ be a Mealy machine that has $N$ states and $M$ outputs. Let $Z$ be the number of states of the corresponding Moore machine $Q$ which is equivalent to $P$. Which of the following conditions always holds? $Z<M+N$ $Z=M*N$ $Z=P*M+Q*N$ $Z \leq M*N$
18
Assume a program has just referenced an address in virtual memory. Which of the following scenario cannot occur? TLB miss with no page fault TLB hit and page replacement TLB miss and page fault TLB hit with no page fault
1 vote
19
A computer system consists of infinitely large primary memory storage capacity. In other words the physical address space exceeds the logical address space significantly in all cases. In such situation which of the following statements regarding virtual memory is ... memory concept cannot be used in such situation Virtual memory concept can be used to give multiprogramming capability to system
20
Evaluate the limit: $\lim_{x \to -3} \frac{\sqrt{2x+22}-4}{x+3}$ $\frac{1}{2}$ $\frac{1}{4}$ $\frac{1}{8}$ $\frac{1}{16}$
21
Consider the following C language code: #include<stdio.h> int main() { int x=64; int i=0; while (i++<3) x=(((x<<2)+(x>>1))>>1); printf("%d", x); return 0; } What is the output of the above code?
22
Which of the following is TRUE with respect to Diffie-Hellman Key exchange algorithm? It can be used for encryption or decryption purpose It doesn't suffer from man in the middle attack It suffers from bucket brigade attack It is an example of private key cryptography algorithm
23
What is the minimum number of people that must be there in a room to make the probability of two people having same birthday be at least 50%? Assume a year has $365$ days and the probability distribution is uniform throughout. $23$ $182$ $183$ $123$
1 vote
24
Let a problem $P_1$ is reducible to another problem $P_2$. Identify the incorrect statement. (i) If $P_2$ is decidable then $P_1$ must be decidable (ii) If $P_2$ is un-decidable then $P_1$ may or mayn't be undecidable (iii) If $P_2$ is decidable then we can't say anything about $P_1$ (iv) Decidability of $P_1$ is independent of $P_2$ (i) and (ii) (ii) and (iv) (ii) and (iii) (iii) and (iv)
25
Consider the function: int fun(int n) { if (n==4) return n; else return 2*fun(n+1); } A MOD-16 ripple counter is holding the count $(1001)_2.$ What will be the count after "$(\text{fun}(2)+15)_{10}$" clock pulses? $(1000)_2$ $(1010)_2$ $(1011)_2$ $(1101)_2$
26
Consider the two given functions: int fun1(int x, int y) { if (y==0) return 0; return (x+fun2(x, y-1)); } int fun2(int x, int y) { if (x==0) return y; return fun2(x-1, x+y); } What will be the value returned by $\text{fun1}(4, 4)$ ____
1 vote
27
A single query in DBMS can be executed through different algorithms or re-written in different forms and structures. The most optimal pathway of getting the correct output among all these algorithms can be obtained by the process of query optimization. Consider the ... from Employee where columnB >3000 and columnC<3000; select columnA from Employee; The given query is already in optimized form.
Consider the following piece of code: int function(int a[], int n, int x) { int i; for (i=0; i<n && a[i]!=x;i++); if (i==n) return -1; else return i; } A function call is made with the arguments as follows: $a[]=\{5, 32, 1, 9, 7, 2\}$ $n=6$ $x=8$ What is the values returned by the above code?