2 a. Write a program to using the principle of controlstructures (if /else statements) determine which the studentsgrade, based on the marks numbers entered by the user (Usingthe table below).From To Grade90 100 A80 89 B70 79 C69 Fb. Write an algorithm to determine the average of any six (5)numbers and display the below after: The sum, the productand the average. -c. Describe what is a variable and how is it used in a program.

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grade, based on the marks numbers entered by the user (Using the table below). From To Grade 90 100 A 80 89 B 70 79 C 69 F 0 b. Write an algorithm to determine the average of any six (5) numbers and display the below after: The sum, the product and the average. - c. Describe what is a variable and how is it used in a program.

grade, based on the marks numbers entered by the user (Using the table below). From To Grade 90 100 A 80 89 B 70 79 C 69 F 0 b. Write an algorithm to determine the average of any six (5) numbers and display the below after: The sum, the product and the average. - c. Describe what is a variable and how is it used in a program.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Computational Systems

The computation systems can be defined as the systems that are capable of solving a problem that includes calculations either mathematical or logical, and are able to produce the result as an output. For example, a simple calculator that is given a set of numbers and operators as input and produces the result as an output can be defined as a computational system. The above example is a simple illustration only, the computational systems range from simple devices to complex devices such as the systems that control the SpaceX companies, Starlink satellites which are being quite recently seen in the skies at many places globally.

Question

2 a. Write a program to using the principle of control
structures (if /else statements) determine which the students
grade, based on the marks numbers entered by the user (Using
the table below).
From To Grade
90 100 A
80 89 B
70 79 C
69 F
b. Write an algorithm to determine the average of any six (5)
numbers and display the below after: The sum, the product
and the average. -
c. Describe what is a variable and how is it used in a program.

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