Flashcardzle

Front

what is the time complexity of binary search in sorted array

Back

O(logn)

Front

Which of the following is a volatile memory? Hard Disk, ROM, RAM, SSD

Back

RAM

Front

Which data structure uses the LIFO (Last In, First Out) principle? Options: Queue, Stack, Array, Linked List

Back

Stack

Front

A train 300 meters long is running at a speed of 90 km/hr. How long will it take to cross a pole?

Back

12s

Front

What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main() {
int x = 5;
cout << x++ * ++x;
return 0;
}

Back

30

Front

A shopkeeper sells an article at a 20% profit. If the cost price is ₹500, what is the selling price?

Back

₹600

Front

Which sorting algorithm has the worst-case time complexity of O(n^2) ?

Back

Bubble Sort

Front

What is the primary function of the ALU in a CPU?

Back

Perform arithmetic and logical operations

Front

If the average of five numbers is 36, and the sum of the first four numbers is 140, what is the fifth number?

Back

40

Front

What does SQL stand for?

Back

Structured Query Language