What is a computer program? | Computing for Year 2 PDF Download

Can Computers Think for Themselves?

• Capabilities of Computers: Computers and digital devices perform a wide range of tasks such as sending messages, online shopping, watching videos, and playing games.
• Digital Devices and Computers: Many everyday devices contain computers inside them, making them digital devices.
• Computer Functioning: Computers are not capable of independent thought like humans. They operate based on predefined rules and instructions provided to them.
• Algorithms and Computer Programs: An algorithm is a set of instructions given to a computer. A computer program is a specific type of algorithm that a computer can interpret.
• Execution of Instructions: A computer program guides the actions of a computer or digital device, instructing it on what tasks to perform.
• Memory in Computers: Computers possess memory where they store the programs provided to them for execution.

Understanding Code and Programming

• Computers rely on code to function, which is essentially a set of instructions written in a language computers can understand.
• Code is composed of symbols, words, and numbers, and writing it is often referred to as coding.

Importance of Writing Error-Free Code

• It's crucial for a computer program to be free of errors and for its instructions to be in the correct sequence.
• Errors in code can lead to malfunctions or undesired outcomes in a program.

Who Writes Programs?

• Computer programmers, also known as coders, are responsible for creating the programs that enable computers and digital devices to operate.
• These individuals develop the software that powers various technologies we use daily.

Learning to Code

• Beginners can easily learn coding languages to write their own computer programs.
• Simple programs can be created, such as making a mouse move on the screen or producing a sound when a button is clicked.
• Programming offers endless possibilities for creativity and problem-solving.

Exploring the World of Programming

• Programming allows you to bring your ideas to life through technology.
• With coding skills, you can develop games, apps, websites, and more.

Encouraging Creativity and Innovation

• Through programming, you can innovate, automate tasks, and solve real-world problems.
• Many successful tech products and solutions have stemmed from the creative minds of programmers.

Coding

• Computers: These are devices capable of executing instructions stored in their memory.
• Digital Devices: Machines containing a computer inside them.
• Code: A language designed for computer comprehension.
• Computer Programmer: Individuals tasked with writing computer programs.
• Program: A set of instructions understandable by a computer.
• Memory: The storage location within a computer for information.