Question :- A positive integer n is said to be perfect if the sum of the factors of n, other than n itself, add up to n. For instance 6 is perfect since the factors of 6 are {1,2,3,6} and 1+2+3=6. Likewise, 28 is perfect because the factors of 28 Read more…
1) Which SQL statement is used to update a database table schema? a) UPDATE TABLE b) MODIFY TABLE c) ALTER TABLE d) CHANGE TABLE Answer(s) : c) ALTER TABLE [quads id=1] 2) Database normalisation typically a) Reduces number of tables b) Reduces database size c) Reduces data constraints d) Reduces Read more…
1) Which of the following algorithm(s) always terminate(s) on a finite search space? a) DFS b) BFS c) DFID d) None of the above Answer(s) : a) DFS b) BFS c) DFID 2) Which of the following search algorithm(s) always find(s) a path to the goal (if there exists one) Read more…
1) A machine is … a) a device made of metal b) a device that converts electrical energy into kinetic energy c) a device that converts kinetic energy into electrical energy d) a device that is controlled by a set of rules or instructions Answer(s) : d) a device that Read more…
Algorhithm and Analysis assignment 2 1. If T(n)=9T(n/3)+n, then by master method T(n)= A. Θ(n). B. Θ(n2). C. Θ(n3). D. Θ(1). B.Θ(n^2) 2. If T(n)=T(2n/3)+1, then by master method T(n)= A. Θ(logn). B. Θ(n2). C. Θ(n3). D. Θ(1). A. Θ(nlogn) 3.If T(n)=2T(n/2)+ Θ(n), then by master method T(n)= Read more…
1)Which of the below IPs is/are valid? a)23.54.23.21.32 b)123.132.212.32 c)234.11.265.34 d)3ffe:1900:4545:3:200:f8ff:fe21:67cf Answer : b)123.132.212.32 d)3ffe:1900:4545:3:200:f8ff:fe21:67cf 2)What protocol/protocols does the ‘ping’ command use? a)HTTP/HTTPS b)ICMP c)TCP d)IP Answer : b)ICMP 3)For a web page, HTML represents the: a)Structure of web page content b)Styling of web page content c)Animations of web page Read more…
Click here for Week 2 Programming assignment 1) One of the following 10 statements generates an error. Which one? (Your answer should be a number between 1 and 10.) x = [1,”abcd”,2,”efgh”,[3,4]] # Statement 1 y = x[0:50] # Statement 2 z = y # Statement 3 w Read more…
1. Algorithm A, B have running time 7n2+4n+5 and 3n2 respectively. Then in big theta approximation A. Both have same complexity B. A asymptotically beats B C. B asymptotically beats A D. None A. Both have same complexity 2. Two main measure of efficiency of an algorithm A. processor Read more…
1. What is a web-app? a) It is a software which lets you access websites b) It is a software you can use in a web browser c) It is a software you can download from the web d)It is Read more…
1)What would happen if we call gcd(m,n) with m positive and n negative in the following definition?
def gcd(m,n):
if m < n:
(m,n) = (n,m)
if (m % n) == 0:
return(n)
else:
diff = m-n
return (gcd(max(n,diff),min(n,diff)))