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AS/A Level Computer Science

Induction Task

Introduction: Are you interested in how computers work? Are you interested in how computers

can be programmed to do the tasks people need? Do you know how the Internet can

be used to generate, store and send information anywhere in the world? Are you

aware of the implications associated with the use of computer systems? You will be

able to investigate such issues on this course through theoretical analysis and

hands-on practical work. If you want to learn about hardware, software and how to

write your own programs then AS/A Level Computer Science is the course for you.

We look forward to getting started with you in September,

Mrs Gillooly Mrs Dimoline

Head of Computing & ICT Teacher of A level Computing & ICT

Task: There are two sections on the following pages. The first section is the class

activity based on programming in console mode; this will be used in the AS

year. The second section is your Summer Homework, which you will need to

complete ready for submission on the first day of lesson in September 2016.

Resources: You will need to download Visual Studio Express 2013 for Windows Desktop (https://www.microsoft.com/en-gb/download/details.aspx?id=44914) to complete the summer homework.

Due: In your first lesson in September.

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Activities: Console Mode Basics of programming Objective

We will be looking at programming basics in order to promote good programming technique. We will be looking at the summer homework.

Outcome You will have covered the summer homework and learnt how to construct a basic

program in the manner expected by the exam board.

Getting started

Task 1 – Print to screen

Output Code

Module Module1 Sub Main() __________________________________________________ Console.ReadLine() End Sub End Module

Task 2 – Read and store an input

Output Code

Module Module1 Sub Main() Dim num1 As Integer Console.WriteLine("Hello Woodhouse") ________________________________________________ Console.ReadLine() End Sub End Module

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Task 3 – Multiplying two number inputs

Output Code

Module Module1 Sub Main() Dim num1, num2, Ans As Integer Console.WriteLine("Hello Woodhouse") Console.WriteLine("Please enter a number") num1 = Console.ReadLine() Console.WriteLine("Please enter another number") num2 = Console.ReadLine() Ans = num1 * num2 Console.WriteLine("The product of the numbers is: " & Ans) Console.ReadLine() End Sub End Module

Challenge: Loops

Task 4 - Printing asterisks based on number entered by user

Write a program that asks the user to input a number between 1– 20.

Get your program to display that many stars on screen – see the screenshot below:

HINT: Use a For Loop, see

example below.

What is a loop?

A loop is a sequence of instructions that is

continually repeated until a certain condition is

reached.

Example: This For loop below

For a = 10 To 20

Console.WriteLine("value of a: {0}", a)

Next

value of a: 10

value of a: 11

value of a: 12

value of a: 13

value of a: 14

value of a: 15

value of a: 16

value of a: 17

value of a: 18

value of a: 19

value of a: 20

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SUMMER HOMEWORK

To start… Install Visual Studio Express 2013 for Windows Desktop (https://www.microsoft.com/en-

gb/download/details.aspx?id=44914).

During installation you might be asked to select the environment you want, select General Development Settings.

NOTE: Visual Studio cannot be used on Macs, read this page for more details on how to use VS on Macs. New Console Based Program

Select Console Application and then name your application as ‘SummerHW’. Then click OK. You are now ready to type your program.

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Homework Task:

How and what to submit?

Use the following template to compile your answers.

Name:

AS/A Level Computer Science Summer Homework

Program

Code:

Output Screen:

Additional Resources:

https://www.youtube.com/watch?v=pduCFX2O30o

https://www.youtube.com/watch?v=Jj-UqQsiN9w

REMINDER:

Print the template with answers ready for submission on the first

day of lesson in September.

Write a program that asks the user to input two positive whole numbers. Your program will then add these two numbers and return a message to screen to tell the user the answer.