Instructions answer all questions in Section A and any TWO question from section B  for a total of 30 marks

Question 1    Think computationally for this taskA   Detail the steps to calculate the overall  class average for students in a math class.  (3 marks )B.  Count the number of input, process  and output in the the task (2) marks

Computational thinking is mathematical thinking that involves creating a sequence of instructions to solve a problem

The CPU has two main components: the arithmetic logic unit or ALU performs arithmetic (+, -, *, /) and logicand the Memory: Hardware that stores data.

Instructions answer all questions in Section A and any TWO question from section B

Which of the following statements best describes what is the internet ?

Which of the following correctly represents the evolution of operating system interface?

Which of the following is not a purpose of an Operating System?

The Input of a computer  program gets data from a file, keyboard, touchscreen or network.

For a system in simple harmonic motion, the time required to complete one cycle is the: