<Code
Design & Technology>
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Idoia Pérez
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Digital devices
Computers
Programming
<01> Computers
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// Computer parts
monitor/screen
central processing unit - CPU
speakers
mouse
keyboard
headphones
printer
<Computers components>
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All computers have got basic components in common
- CPU - central processing unit. It allows to process information.
- Storage device:
- hard drive
- random access memory - RAM. It only stores information while the computer is being used.
- portable storage device. For example pen drive, external hard drive or cloud storage on the Internet
- Input devices:
- Output devices:
- monitor
- printer
- speakers
- headphones
<02> Digital devices
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// Digital devices
Digital technology is constantly evolving, and new devices are created all the time. A computer is a device that can store and follow instructions. Digital devices are machines that contain a computer. Analogue devices are machines that don't contain a computer.
<03> PROGRAMMING
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// Programming
An algorithm is a set of instructions, or program, for a computer to solve a problem or achieve a task. To write programs and understand computers, computational thinking skills are needed. Computational thinking skills involve breaking a problem down into simpler parts and then finding a solution to the parts one at a time.
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// Programming
To program a computer you need one or more inputs and a set of instructions for the computer to produce the desired output. The computer uses the inputs and follows the instructions to produce an output. The instructions need to be a series of small steps. This is an algorithm.
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// Programming
To write an algorithm for a computer program you need to use a special programming language. In the 1980s, programmers developed languages that could be used in more than one computer system, for example MS-DOSTM -Microsoft Disk Operating System-. Today, programming languages, such as Java and Python, can be used on different types of personal computers. Software engineers program computers.
Unit completed
Design & Technology
Idoia Pérez
Created on January 2, 2024
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Transcript
<Code
Design & Technology>
START >
Idoia Pérez
>
>
01
02
03
Digital devices
Computers
Programming
<01> Computers
start >
>
>
// Computer parts
monitor/screen
central processing unit - CPU
speakers
mouse
keyboard
headphones
printer
<Computers components>
>
>
All computers have got basic components in common
<02> Digital devices
start >
>
>
// Digital devices
Digital technology is constantly evolving, and new devices are created all the time. A computer is a device that can store and follow instructions. Digital devices are machines that contain a computer. Analogue devices are machines that don't contain a computer.
<03> PROGRAMMING
start >
>
>
// Programming
An algorithm is a set of instructions, or program, for a computer to solve a problem or achieve a task. To write programs and understand computers, computational thinking skills are needed. Computational thinking skills involve breaking a problem down into simpler parts and then finding a solution to the parts one at a time.
>
>
// Programming
To program a computer you need one or more inputs and a set of instructions for the computer to produce the desired output. The computer uses the inputs and follows the instructions to produce an output. The instructions need to be a series of small steps. This is an algorithm.
>
>
// Programming
To write an algorithm for a computer program you need to use a special programming language. In the 1980s, programmers developed languages that could be used in more than one computer system, for example MS-DOSTM -Microsoft Disk Operating System-. Today, programming languages, such as Java and Python, can be used on different types of personal computers. Software engineers program computers.
Unit completed