Added a ppt for gcse computer control by lucy blachford. Hardware is a generic term for any physical part of the computer system which you can physically touch, pick up or move. One of the key uses of graphics is as a method of communication. Software is made up of a series of instructions or computer code. 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. The computer is normally used to run the control program. Sensors are advanced devices that are often used to sense and react to electrical or optical signals. Activities and resources for the cambridge igcse computer science 0478 topic 1. 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. 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.
Computer control software gcse revision, ict, software. In computing they can be used with voice recognition software. These include netbooks, laptops, notebook computers, palmtops, desktop computers, tablet computers, pdas and handheld computers. An ocr system consists of a normal scanner and some special software. You will find revision notes, exam questions, mini websites explaining every topic you need to cover. Gcse ict hardware, software and peripherals teachict. It is fairly easy for the software programmer to create the same menus in different languages. Teachict ocr gcse computing custom written and offthe. The role of sensors in control computer control gcse. Revise about computer control and find out how signals to output devices work for ict gcse. Professional packages will have hundreds of features that take years to learn, especially to use them creatively. Added a task for gcse computer control sensors match up by lucy blachford.
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. For example, some applications such as speech recognition software accepts the spoken words and. Interprets data from sensors to recognise when a car has approached the traffic light. Awardwinning tutorials, tips and advice on gcse ict coursework and. Teach ict gcse ict hardware, software and peripherals. Added link to news story, they think its all over and this time the ref will get it right. Free software, freeware, shareware computer science. Most control systems use feedback loops to tell them how to behave. Notice that the shape of each letter is still smooth no matter what the size. They dont need huge amounts of processing power or memory. Sensors are used to detect physical quantities outside a computer such as light, temperature and pressure.
This is done using by an analoguetodigital converter adc. This type of interface allows the user to speak or type in their normal everyday language in order to interact with the computer. Sensors are used extensively in monitoring measuring data logging systems. Bespoke bespoke software is written when a company requires a piece of software. A free powerpoint ppt presentation displayed as a flash slide show on id. 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. Added four new jokes to the giggle zone thanks to the many people who kindly sent us new joke ideas. For this unit a451 it is essential that you use your own time to read around what is covered in class. Added news story link, hackers target tk maxx customers. 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.
Be as thorough as possible as this may feature in your unit test. This section records the development of the teach ict site from the very beginning. A generalpurpose application package is a type of software that can perform many different related tasks. System software includes the operating system and utility programs. 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. Added interactive matching quiz for ks3 unit 7 sensors.
Learn unit 1 gcse ict with free interactive flashcards. Added a free a4 poster to laminate and display about software categories. Before you can do this, you must choose an url uniform resource locator for your site, such as. A sensor can send two types of signal to a computer digital and analogue. Added a new task for cover lessons friendship poem designing for. The physical parts of a computer system are often referred to as hardware devices. 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.
Sometimes it is very useful to be able to change the size of an image without losing quality. 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. Sensors are often used as part of a feedback cycle. Top quality computer science resources for ks3, ks4, ks5. It is these instructions which tell the hardware that it needs to print a document or save a file or display a web page. Icons a picture or symbol which is used to represent a software application or hardware device. 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. 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. Feedback ict systems and their usage gcse ict revision. A temperature sensor is tucked away somewhere inside this fridge and its output is used by the display you see. They collect data continuously and are typically linked to a control program that specifies acceptable levels, eg. Gcse ict software learning resources for adults, children, parents and teachers. They can be dedicated systems that perform a set of preprogrammed instructions, or computer controlled dynamic systems that react to input from sensors.
Choose from 500 different sets of unit 1 gcse ict flashcards on quizlet. The complex signals that come back from these huge machines are picked up by sensors and fed into a computer. They do not make judgements, decisions or control any output devices. All computers need digital data in order to process it further. The best way to understand how a computer can control things is to think about how a person controls something. Whether youre a brand new computer science teacher, or youve been teaching ict for years, our resources will save you hours and hours of lesson preparation. Teach ict is a popular site which covers the basic. A sensor is a device designed to measure some physical quantity in its environment. Application software caries out userrelated tasks and can be classified as generalpurpose, specialist or tailormade. Added interactive matching quiz for gcse datalogging sensors.
Sensors are used to automatically detect and measure physical quantities. Check with your teacher which of these theory units are in your particular syllabus. There are many types of sensors used in a variety of household, commercial and industrial applications. Revise applications and programming languages for gcse ict. Ppt ict in science gcse powerpoint presentation free. 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. Added news story link, firms defend dealings with china added news story link, virus writers target web videos 301006. 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. Gcse ict last assessment summer 2018 using computer systems. For example, how does a human control a car when heshe is driving. This type of software tries to be a jackofalltrades.
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. This device converts the analogue signals from the sensors to digital data that the computer can process. With less possibility of theft or imitation, it is much easier to make closed source software profitable. 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 operating system powerpoint and websites below will help you to complete this task.
Gcse ict learning resources for adults, children, parents and teachers organised by topic. In the last section we looked at how data can be input into a computer system both manually and directly. Added an interactive exam practice question for gcse sensors. Sensors are input devices that record data about the physical environment around it. A disadvantage is that mis software can be expensive, and the staff would need to be trained in order to use it. It does not necessarily mean the kind that you are working on. Gcse ict hardware, software and peripherals teach ict.
A computer needs to be told what to do, otherwise it will just sit on your desk collecting dust and taking up space. The computer processes the data, then outputs fullcolour images, sometimes in 3d, for the doctor, giving views of the patients body. Sensors and control data logging and control gcse ict. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
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 task for ks3 unit 7 worksheet where students match up correct statements about sensors in order to complete a table. It provides many features that the majority of users will want e. Sends signal to software and motors to ensure lift travels to correct floor. This font for example can be made in many different sizes. Usually this is an analogue signal so it needs to be converted into digital data for the computer to process. Digital data only has two values either 0 and 1 or on and off. Teach ict ocr gcse computing hardware and software.
To be specific, free software is a matter of freedom, and not of price. The output could as easily be fed into a computer for further processing. Computer control software gcserevision, ict, software. An example might be a heat sensor that measures the. This means the output changes smoothly from one value to another. Top quality computer science resources for ocr gcse. Also, there would be a security risk as it would hold personal data. Added link to sencon manufacturers of sensors used in industry. More gcse ict keywords write out the following keywords in the back of your text book.
Teachers will find starters and plenaries along with schemes of work sow, lesson ideas and tons of free material. Free software is a software that gives the user freedom to execute, reproduce, distribute, study, modify and enhance the software. It means a user can freely utilise, change, and distribute a. 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. 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.
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