At the simplest level, an operating system does two things. It manages the hardware, the user interface and all other software running on the computer. Office type software of this kind is called open office. For example, an operating system might be designed to ensure that a certain. Programming code is often obfuscated to protect intellectual property and prevent an attacker from. Source code is the part of software that most computer users dont ever see. Point2school, for example, offers software titles on a rental and subscription basis and a vast selection of free open source software. Open source software and movement flashcards quizlet. I went on to explain that algorithms can be represented in many ways, the most. So, what is computational thinking and what does it entail. A realtime operating system rtos is an operating system that guarantees a certain capability within a specified time constraint. Students are asked to provide a definition and example for key terms related to this topic.
Free, open source software for education ict teach. So if a full backup was done on day 1, day 2s differential will copy all. Instead of installing and using applications such as the office suite on your own computer, it is now possible to access word processing applications. Macro definition, very large in scale, scope, or capability. Personality test to find out which superhero you are most similar to. A computer needs to be told what to do, otherwise it will just sit on your desk collecting dust and taking up space. Software are the applications and programming instructions that tell your. A program counter is a register in a computer processor that contains the address location of the instruction being executed at the current time. Lossy and lossless compression lossy and lossless file. If the answer youve chosen is correct, you will see the question text at the beginning of the.
Network forensics is the capture, recording, and analysis of network events in order to discover the source of security attacks or other problem incidents. Also see open source open source software oss refers to software that is developed, tested, or improved through public collaboration and distributed with the idea that the must be shared with others, ensuring an open future collaboration. A terminal adapter ta is a hardware interface between a computer and an integrated services digital network line. Your teachers will cover all the syllabus and topics required but in order to retain and apply the. Students are given an open ended statement related to the topic. All lossless compression is based on the idea of breaking a file into a. Or you can continue to play, hoping that the hidden envelope chosen at the start will beat the bankers grade. This policy covers the teach icts use of personal information that teach ict collects when you use teach. The operating system is a program that allows applications software to communicate with the hardware.
She is thinking of using custom written, open source software. This includes the naace computing toolkit, which contains full documentation, continuing professional development cpd, open source software, free online resources and supportive teaching community tools. Metaphor definition is a figure of speech in which a word or phrase literally denoting one kind of object or idea is used in place of another to suggest a likeness or analogy between them as in drowning in. Top quality computer science resources for ks3, ks4, ks5. In software development, user acceptance testing uatalso called application testing, and end user testingis a phase of software development in which the software is tested in the real world by the. The operating system controls every task your computer carries out and manages system resources. Teach ict gcse ict functions of an operating system. Software refers to the programs that we run on our computer systems. Concurrent processing is a computing model in which multiple processors execute instructions simultaneously for better performance. A database is a collection of information that is organized so that it can be easily accessed, managed and updated. Open source software has been created or adapted by people who are happy for it to be used for free.
Software definition, the programs used to direct the operation of a computer, as well as documentation giving instructions on how to use them. Its what replaces a modem when you are using an isdn. The policy also gives you information about cookies. For example, a presentation layer program could format a file transfer request in binary code to ensure a successful file transfer. An operating system is the core software that allows a computer to run as an useful device.
Gcse ict home page gcse ict topics gcse ict quizzes. This glossary of ict terminology, compiled by graham davies and fred riley, contains a list of technical terminology and terms specific to ict and language learning and. Source code is normally a closely guarded secret of the company that developed it in the first place. Proprietary, free and open source software bbc bitesize. All software development takes time and expertise, but there are many models for funding software development, and different models of ownership. Device drivers are essential for a computer to work properly. Although its far from the oldest computer language, its one of the older ones.
Ocr optical character recognition is the use of technology to distinguish printed or handwritten text characters inside digital images of physical documents, such as a scanned paper document. The type of compression weve been discussing here is called lossless compression, because it lets you recreate the original file exactly. A wave file is an audio file format, created by microsoft, that has become a standard pc audio file format for everything from system and game sounds to cdquality audio. But there is an alternative namely completely free software. Teach ict ocr gcse computing hardware and software.
Computer security and threat prevention is essential for individuals and organizations. Explain that, in their notes, students should compare custom built to off the shelf software and open source vs. A bitmap or raster graphic is a digital image composed of a matrix of dots. Effective security measures can reduce errors, fraud, and losses.
Obfuscation is the practice of making something difficult to understand. When viewed at 100%, each dot corresponds to an individual pixel on a display. At the end of each round, the banker will offer you a grade which you can choose to take this will end the game. A decision support system dss is a computer program application that analyzes business data and presents it so that users can make business decisions more easily. After reading the question, click on the answer that you think is correct. Concurrent means something that happens at the same time. A fun way to learn multiplication the old fashion way through competitive repetition. Commercial applications tend to be quite polished compared to an equivalent open source application. The publication is available in open access under the attributionsharealike 3. Storedprogram concept, storage of instructions in computer memory to enable it to perform a variety of tasks in sequence or intermittently. Alice is a free and open source 3d programming environment designed to teach. Outcome 2 be able to integrate ict into teaching and learning, school administration and. Explain the importance of ict tools to support students acquisition of school subject matters knowledge and use presentation software. The collaborative experience of many developers, especially those in the academic environment, in developing various versions of the unix operating.
Differential backups copy those files that have been changed since the last full backup took place. Open source software has been developed by volunteer programmers with the intention of making available freetouse applications. Explain to students that the software in the previous clip is referred to as open source software and that this is just one of several ways in which we can source software. For this unit a451 it is essential that you use your own time to read around what is covered in class. Although specialist software might be the answer for many companies, there will be some organisations who find that it just doesnt do exactly what they want or. The european unions new data protection regulation is complicated, but there are 10 key facts businesses need to know, says privacy lawyer and kuppingercole analyst karsten kinast. Open source software is software with source code that anyone can inspect, modify, and enhance. I also explained that, in their notes, i wanted the students to compare custom built to off the shelf software and open source vs.
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