Algorithm Quiz

What is an algorithm?

• A mathematical equation

• A programming language

• A type of computer hardware

• A set of instructions for performing a task

What are the characteristics of an algorithm?

• Unambiguous, Inputs, Finite, Feasibility, Output, Independent

• Clear, Flexible, Infinite, Impossible, Dependent

• Complex, Random, Variable, Inconsistent, Dependent

• Ambiguous, Inputs, Finite, Feasibility, Output, Dependent

What is the purpose of using algorithms to solve a problem?

• To avoid solving the problem

• To find a solution for the problem

• To complicate the problem further

• To confuse the problem solver

Which of the following is a characteristic of an algorithm?

• Dependence

• Inconsistency

• Complexity

• Feasibility

What is the first step in the algorithm for Crossing a road?

• Cross the road once it is safe

• Walk to an edge of a road

• Look right and left for a vehicle

• Wait if there is a vehicle

What is the algorithm for Preparing suja?

• Walk to an edge of a road, Look right and left for a vehicle, Wait if there is a vehicle, Cross the road once it is safe, Reach the other side

• Wash the chillies, onions and tomatoes, Chop and put in a pot, Add oil, salt and cheese, Cook for 20 minutes, Stir for few seconds, Ready to eat

• Add suja tea leaves and water in a pot, Boil for 15 minutes, Takeout the tea leaves, Add salt and butter, Mix with a machine, Ready to drink

• Wet hands and apply soap, Rub the palms together, Rub the back of hands, Rub the back of the fingers, Rub and clean the thumbs, Rub and clean the tips of the fingers, Rinse the hands

What is the algorithm for finding the average of two numbers?

• Read any two numbers(x and y), Average = (x*y)/2, Display Average

• Read any two numbers(x and y), Average = (x/y)/2, Display Average

• Read any two numbers(x and y), Average = (x-y)/2, Display Average

• Read any two numbers(x and y), Average = (x+y)/2, Display Average

What is the algorithm for multiplying two numbers?

• Take input for x and y, Multiply = x + y, Display Multiply

• Take input for x and y, Multiply = x * y, Display Multiply

• Take input for x and y, Multiply = x - y, Display Multiply

• Take input for x and y, Multiply = x / y, Display Multiply

What is the algorithm for finding the area of a circle?

• Read a radius of a circle (r), area = 3.14*r, Display area

• Read a radius of a circle (r), area = r*r, Display area

• Read a radius of a circle (r), area = 2*3.14*r, Display area

• Read a radius of a circle (r), area = 3.14*r*r, Display area

What is the algorithm for finding the perimeter of a rectangle?

• Read a length and width (l, w), perimeter = l-w, Display perimeter

• Read a length and width (l, w), perimeter = 2*(l+w) or perimeter = l+w+l+w, Display perimeter

• Read a length and width (l, w), perimeter = l*w, Display perimeter

• Read a length and width (l, w), perimeter = l+w, Display perimeter