Router pp peer to peer cn client server man metropolitan network sd string. Websites, or sometimes individual web pages, are categorized by filter companies. Security encryption software, firewall, antivirus, antimalware. How to choose the best wifi channel for your network. We will not be looking at these in detail here as they are covered in other miniwebs operating systems. A router is a device that transfers data from one network to another in an intelligent way. Utility software helps the user to control, manage, and maintain a computers operating system, hardware and application software. A network can be a small collection of computers connected within a. A switch, like a hub, is a device that connects a number of computers together to make a lan.
We do not guarantee that it covers all of the relevant theory that is required for the examination. Utility software, today, is among the most efficient and major types of software available to the industry and hence, its use has increased tremendously over the years. Gcse computer science 91 ocr j276 utilities teachict. Everybody should know that antivirus software makers develop a set of rules to distinguish the viruses from nonviruses, the. Ict software information requested about the ome ict software. Proxy service information from the internet is retrieved by the firewall and then sent to the requesting system and vice versa stateful inspection a newer method that doesnt examine the contents. An operating system is the core software that allows a computer to run as an useful device.
Firewalls are a network security that manages and controls the speed of the network traffic on a rule set. Other third party software utility programmes such as virus checkers are also used extensively. Performance hard disk defragmentation, task manager monitor. Use the information on to make revision notes on ram, rom and other memory types. Firewall is a commonlydiscussed term when it comes to the area of network security.
Utility software mw malware w worm um unit ai ascii uc unicode lv local variable. Introducing networks network hardware gcse computer. The advantages and disadvantages of antivirus software. Mentioned below are the prominent advantages of utility software. Software for downloading photos from digital cameras. If router is not configured in proper manner then data can be lost.
For example, you may want to compress a file to let you save it on to a flash drive. They work similar to regular drivers but in order to prevent the guest operating system from accessing hardware directly, the virtual drivers masquerade as real hardware so that the guest os and its own drivers can access hardware. Examples of office productivity software include word processors, database management systems, graphics software and spreadsheet applications. Each topic links to the relevant syllabus web page. You will learn the differences between hardware and software, as well as examples of each. For example, the adult filter profile might allow all categories of content to pass through except items. Definition a virus checker is a software program that automatically search a computer file for known viruses. Application software caries out userrelated tasks and can be classified as generalpurpose, specialist or tailormade. Example exam questions and mark schemes are available on the ocr website. Please refer to the j276 syllabus to ensure that you are covering the material to the standard required. Another form of the driver is the virtual device driver. These programs are designed to perform specific functions like finding files, backing up data, playing multimedia files, viewing images and so on.
A utility application has a specific job to do regarding the computers operation and performance. You should know that the integrity checking is the only way to determine if the virus has damaged the file, most integrity checkers today have the benefit of detecting other damage to the data such as the corruption, and it can restore that as well. Many utilities are now included with the operating systems. Smart learning suite 3 accounting and business studies 18 art and design software 3 assessment and collaboration software 2 cause and effect software 63. Read more about security utilities in the network security section. Information technology equipment bids must include installation, setup, and training to be scheduled by local district. Many productivity applications are intended for business use. For example, you may want to compress a file to let you. For example, if an internet connection is down at an office, the ping utility can be used to figure out whether the problem exists within the office or within the network of the internet provider. A helpful revision guide providing a look at ict tools and techniques, such as the ins and outs of open source and proprietary software, for gcse ict. You will also see different types of computers including their uses, advantages and disadvantages. Teach me to multiply allows you or your children to take simple math quizzes at various difficulty levels and grades the results on speed and accuracy. Use the website and the activities included to look further into what makes a computer system.
A fun way to learn multiplication the old fashion way through competitive repetition. Hi, the main advantage of router is for wan connectivity and transfer of data between different networks. Without an operating system, a computer is just a collection of components heating up the room as noone would be able to make any practical use of the machine. Packet filtering packets small chunks of data are analyzed against a set of filters. Networks a network is two or more computers or other electronic devices that are connected together for the purpose of communication. Teach ict gcse ict functions of an operating system. A utility program is designed to do one or perhaps two tasks very well and nothing else. Nevertheless, we suppose you heard the name for the first time in microsoft windows. The firewall protects a secured network from an unsecured network such as the internet. Top quality computer science resources for ks3, ks4, ks5. A network is created when more than one device is connected together.
What are the advantages and disadvantages of router. Here are 10 of the best free tools packages for troubleshooting system issues. Removable storage devices such as usb drives optional. A utility is an application that has a very specific task to carry out. Top 10 free system troubleshooting tools for sysadmins. In order to do this, the router has a micro computer inside it.
Theyre all software some ict specific which students should be familiar with. In the screenshot above, the raspberry pi has been configured with the following ip address. Amazon also offer a remote hosting application service. Here are some very common tasks that are carried out by various utility programs. Hopefully this will make it much easier to find information especially when you dont know which part of the syllabus its in. Teachict as level ict ocr exam board types of software.
It manages the hardware, the user interface and all other software running on the computer. In windows 7, click on the start button and type cmd in the search programs and files field and press enter. Describe the purpose and use of common utility programs for computer security antivirus, spyware protection and firewalls, disk organisation formatting, file transfer, and defragmentation, and system maintenance system information and diagnosis, system cleanup tools, automatic updating. Other devices on a local network autodetect and adjust their channel numbers to match that of the router or wireless access point with no action needed. It has the task of forwarding data packets to their destination by. They are connected by a wired medium such as cables, or by a. If everything has been setup correctly, your raspberry pi should have a valid ip address. For this task you would choose to use a file compression utility program. It is a minor program that assists in the monitoring and maintaining of the computer system. These tools should help you as an admin to fix the problem or identify the root cause more quickly. Business and computing department curriculum share year.
A generalpurpose application package is a type of software that can perform many different related tasks. It has the task of forwarding data packets to their destination by the most efficient route. The system software which is stored on non volatile memory is known as firmware. Teachict a level computer science ocr h446 utilities. However, if certain devices fail to connect after changing the routers channel, visit the software configuration utility for each of those devices and make matching channel number changes there. Information and communication technology ii revision date 039 ict ii specifications 2 equipment specifications a. Search for words or phrases within the techterms definitions. These are posters which i created for my classroom. The best backup software nobody likes taking the time to back up a pcs document, media, and system files, but doing so can save you a world of hurt. The typical use of a switch is at the centre of a star network or as part of a hybrid network the switch has cables plugged into it from each computer. Overview the checker scans files every time the computer is turned on or when new disks are inserted into the computer. Vxd file extension and are used with virtualization software. The top 10 basic network troubleshooting tools every it. The virus checker looks for patterns of code that resemble the code used in known viruses, and alerts the user when it finds a resemblance.
Quite often, a utility program is built right in to the operating system. The firewall can be used as a hardware device and it can be used as a software solution. The librarys filter administrator utilizes the categories to build filter profiles. The definition of productivity software is sometimes broadened to include any type of application that is used to help people do their jobs, including collaboration.
Packets that make it through the filters are sent to the requesting system and all others are discarded. The engenius cloud solution was successfully used as the infrastructure for one of the largest wifi 6 deployments at the taipei 101 2020 new years eve party in taiwan. Most probably when microsoft windows firewall blocked a particular software or service from accessing your network, you noticed this thing about firewall. Figure 1 below shows an example of the ping utility being used to obtain the reachability status of the locally connected router. Enskys suite of tools helps you deploy managed wifi to integrate with an existing onsite network or build customized networks from scratch. This segment discusses how hardware and software work together. Gcse computer science checklists what do i need to know learn. You can either use these tools yourself or provide them to a user who is experiencing the issue, for them to gather the information needed.
All computers have an operating system, they cannot function without one. Below you will find a list of topics ordered alphabetically. System software includes the operating system and utility programs. The material on this site is not endorsed by the ocr examination board.
Gcse computer science 91 ocr j276 utilities teach ict. Ict are world leaders in integrated electronic access control, intrusion protection and building automation solutions member login contact solutions. This section will take a look at hardwaresoftware and the different types of computers. The operating system is part of the system software. Periodic table of computer science teachallaboutit.