Sensors and control data logging and control gcse ict. Teach any a level computer science class we have put together a full a level computer science curriculum that will give you all the teaching materials you need to teach any topic. Added a free a4 poster to laminate and display about software categories. A computer needs to be told what to do, otherwise it will just sit on your desk collecting dust and taking up space. These include netbooks, laptops, notebook computers, palmtops, desktop computers, tablet computers, pdas and handheld computers.
But it does try to be all things to all people and so there will be a vast number of features that you may never use e. This is done using by an analoguetodigital converter adc. In this section we will discuss how sensors can be used to automatically detect changes in the environment around and then directly feed this data into a computer for processing. This type of interface allows the user to speak or type in their normal everyday language in order to interact with the computer. Interprets data from sensors to recognise when a car has approached the traffic light.
Some cost hundreds of pounds and are intended for professionals, or you can use a low cost or even free graphics package for your own use. Learn unit 1 gcse ict with free interactive flashcards. Check with your teacher which of these theory units are in your particular syllabus. Hardware is a generic term for any physical part of the computer system which you can physically touch, pick up or move. They do not make judgements, decisions or control any output devices. Another use of graphics is for pure entertainment people enjoy looking at a lovely photograph or a brilliant piece of art consider graphics as a message, here are some common uses. Teachict ocr gcse computing custom written and offthe. Ppt ict in science gcse powerpoint presentation free. The commercial organisation has invested money into developing the software, often millions for major applications and they sell the product to profit from their investment. Software is made up of a series of instructions or computer code. Your task is to complete the 2 boxes below and type in your own words the features and uses of a multiuser operating system and a single user operating system. All computers need digital data in order to process it further. To be specific, free software is a matter of freedom, and not of price. For this unit a451 it is essential that you use your own time to read around what is covered in class.
They dont need huge amounts of processing power or memory. Sometimes it is very useful to be able to change the size of an image without losing quality. They can be dedicated systems that perform a set of preprogrammed instructions, or computer controlled dynamic systems that react to input from sensors. In computing they can be used with voice recognition software. With less possibility of theft or imitation, it is much easier to make closed source software profitable. Once they have taken a reading or measurement, they might send that reading straight back to the computer or they may store it up and take a set of readings over time and send them back in a. Sensors are input devices that record data about the physical environment around it. Gcse ict hardware, software and peripherals teach ict. Notice that the shape of each letter is still smooth no matter what the size. A sensor measures a specific property data and sends a signal to the computer. Added link to sencon manufacturers of sensors used in industry. Added news story link, nspcc books in to virtual hotel added news story link, fragrant future beckons for web added news story link, push for open access to research. The role of sensors in control computer control gcse.
A temperature sensor is tucked away somewhere inside this fridge and its output is used by the display you see. Computer control software gcse revision, ict, software. Teachers will find starters and plenaries along with schemes of work sow, lesson ideas and tons of free material. For example, some applications such as speech recognition software accepts the spoken words and. It provides many features that the majority of users will want e. The operating system powerpoint and websites below will help you to complete this task. The person looks ahead at the road to see what is approaching, thinks about what heshe has seen, then acts upon it turns the steering wheel andor presses the pedals. It does not necessarily mean the kind that you are working on. Feedback ict systems and their usage gcse ict revision.
This type of software tries to be a jackofalltrades. Choose from 500 different sets of unit 1 gcse ict flashcards on quizlet. Added task for ks3 unit 7 worksheet where students match up correct statements about sensors in order to complete a table. This section records the development of the teach ict site from the very beginning. Professional packages will have hundreds of features that take years to learn, especially to use them creatively. Added news story link, firms defend dealings with china added news story link, virus writers target web videos 301006. Teach ict ocr gcse computing hardware and software. Gcse ict software learning resources for adults, children, parents and teachers.
It means a user can freely utilise, change, and distribute a. Sensors are used to automatically detect and measure physical quantities. More gcse ict keywords write out the following keywords in the back of your text book. Application software caries out userrelated tasks and can be classified as generalpurpose, specialist or tailormade. Revise about computer control and find out how signals to output devices work for ict gcse. Added a task for gcse computer control sensors match up by lucy blachford. Sensors are advanced devices that are often used to sense and react to electrical or optical signals. Digital data only has two values either 0 and 1 or on and off. In the last section we looked at how data can be input into a computer system both manually and directly. Revise applications and programming languages for gcse ict. Free software, freeware, shareware computer science. Once they have taken a reading or measurement, they might send that reading straight back to the computer or they may store it up and take a set of readings over time and send them back in a batch. Gcse ict last assessment summer 2018 using computer systems. Added news story link, border surveillance plan unveiled added news story link, broadband hits new high in the uk added news story link, barcelona clubbers get chipped.
Awardwinning tutorials, tips and advice on gcse ict coursework and. Added a ppt for gcse computer control by lucy blachford. Menus a list of options from which the user can choose what. This device converts the analogue signals from the sensors to digital data that the computer can process. Added interactive matching quiz for gcse datalogging sensors. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
A sensor can send two types of signal to a computer digital and analogue. Your teachers will cover all the syllabus and topics required but in order to retain and apply the knowledge gained you need to regularly and repeatedly apply this knowledge to a range of different situations. Sensors are used extensively in monitoring measuring data logging systems. The computer processes the data, then outputs fullcolour images, sometimes in 3d, for the doctor, giving views of the patients body. An ocr system consists of a normal scanner and some special software.
Activities and resources for the cambridge igcse computer science 0478 topic 1. Gcse ict learning resources for adults, children, parents and teachers organised by topic. A generalpurpose application package is a type of software that can perform many different related tasks. Free software is a software that gives the user freedom to execute, reproduce, distribute, study, modify and enhance the software. System software includes the operating system and utility programs. Usually this is an analogue signal so it needs to be converted into digital data for the computer to process. Teach ict gcse ict hardware, software and peripherals. This font for example can be made in many different sizes. Sensors are often used as part of a feedback cycle. In order to let other people see your web site, it must be placed on a web server this is called hosting a web site. A free powerpoint ppt presentation displayed as a flash slide show on id.
Added four new jokes to the giggle zone thanks to the many people who kindly sent us new joke ideas. Before any process can be controlled by a computer a control program must be written by a human to tell the computer what to do. Added an interactive exam practice question for gcse sensors. You might recognise some of the specialist graphics packages above. An example might be a heat sensor that measures the. Also, there would be a security risk as it would hold personal data. In order to process input from sensors, a device called an analogue to digital converter adc must be connected between the computer and the sensor. This means the output changes smoothly from one value to another.
Sends signal to software and motors to ensure lift travels to correct floor. The complex signals that come back from these huge machines are picked up by sensors and fed into a computer. For example, how does a human control a car when heshe is driving. One of the key uses of graphics is as a method of communication. Most control systems use feedback loops to tell them how to behave.
You will find revision notes, exam questions, mini websites explaining every topic you need to cover. Be as thorough as possible as this may feature in your unit test. Added news story link, hackers target tk maxx customers. There are many types of sensors used in a variety of household, commercial and industrial applications. The computer is normally used to run the control program. Top quality computer science resources for ocr gcse. If the sensor is connected to a computer, the computer can read the data coming from the sensor and log it at preset time intervals hourly for example. Expert systems allow medical staff with limited medical knowledge e. Sensors are used to detect physical quantities outside a computer such as light, temperature and pressure. This section will look at the different types of software that you need to know about for your exam.
Input sensors are used by the computer to monitor the various parts of a process that it is controlling. The output could as easily be fed into a computer for further processing. Bespoke bespoke software is written when a company requires a piece of software. They collect data continuously and are typically linked to a control program that specifies acceptable levels, eg.
An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer the is used solely as a reading device such as nuvomedias rocket ebook. Before you can do this, you must choose an url uniform resource locator for your site, such as. A sensor is a device designed to measure some physical quantity in its environment. Top quality computer science resources for ks3, ks4, ks5. Added interactive matching quiz for ks3 unit 7 sensors. Software are the applications and programming instructions that tell your computer what to do and enable you to use it for things such as playing games, writing an essay or listening to music. It is these instructions which tell the hardware that it needs to print a document or save a file or display a web page. Learn about ict systems and usage for ict gcse and find out the integration of ict devices and information systems. It is fairly easy for the software programmer to create the same menus in different languages. Added a new task for cover lessons friendship poem designing for. Teach ict is a popular site which covers the basic. Icons a picture or symbol which is used to represent a software application or hardware device. Computer control software gcserevision, ict, software. Gcse ict hardware, software and peripherals teachict.
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