Computer Systems and their Importance

فهرست عناوین اصلی در این پاورپوینت

فهرست عناوین اصلی در این پاورپوینت

● Activity 1
● Computer Systems and their Importance

نوع زبان: انگلیسی حجم: 0.47 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 15 صفحه
سطح مطلب: نامشخص پسوند فایل: pptx
گروه موضوعی: زمان استخراج مطلب: 2019/05/16 02:08:57

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اسلایدهای پاورپوینت مرتبط در پایین صفحه

عبارات مهم استفاده شده در این مطلب

عبارات مهم استفاده شده در این مطلب

system, ., computer, program, utility, disk, software, file, datum, virus, spyware, anti,

توجه: این مطلب در تاریخ 2019/05/16 02:08:57 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

https://computerscienceuk.com/wp-content/uploads/2015/03/16-System-Software-Utilities2.pptx

در صورتی که محتوای فایل ارائه شده با عنوان مطلب سازگار نبود یا مطلب مذکور خلاف قوانین کشور بود لطفا در بخش دیدگاه (در پایین صفحه) به ما اطلاع دهید تا بعد از بررسی در کوتاه ترین زمان نسبت به حدف با اصلاح آن اقدام نماییم. جهت جستجوی پاورپوینت های بیشتر بر روی اینجا کلیک کنید.

عبارات پرتکرار و مهم در این اسلاید عبارتند از: system, ., computer, program, utility, disk, software, file, datum, virus, spyware, anti,

مشاهده محتوای متنیِ این اسلاید ppt

مشاهده محتوای متنیِ این اسلاید ppt

topic ۳ software system software ۲ utility software gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com activity ۱ questions to discuss what are the ۵ main functions of an operating system gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance what is utility software modern operating systems include a range of programs that perform a collection of useful functions keep your system secure keep your storage disks organised maintain the system these programs are called utilities. we shall now take a look at some of these. learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance security utilities there are three main utilities that work to keep the computer system secure. they are learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com security utilities anti virus software anti spyware software firewalls computer systems and their importance anti virus software viruses are small programs which aim to cause harm to a computer system. they often get confused with spyware which simply spy’s on users recording key strokes etc. but do not aim to harm the system – just the user . the main types are email virus executed when attachment is opened – often used to control your email client and forward itself to your address book. worms these try to replicate themselves slowing down your computer making it useless. trojan virus these are often programs such as a game which you can use. but in the background they will cause harm like deleting your files. anti virus software is dedicated to finding and destroying these files. these have to be up to date for them to be effective. learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance anti spyware software spyware’s aim is to spy on the user and send back as much information about them as possible passwords usernames websites they visit purchases they have made . a common piece of spyware is a key logger. it quietly runs in the background recording every key you hit. if you type in the same set of characters regularly this could be identified as your password. the reason for collecting this data is so that ‘senders’ of the spyware can use this information to steal your identification or sell your information to third parties who will then target you with advertisements. learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance firewalls when files are sent across the internet they are broken down into small packets of data. the part of the computer which receives these packets is made up of ۲۵۶ ports you can think of these ports like a country’s ports which manage people in and out of the country a firewall monitors the data which flows through the ports. they also keep ports closed and open only those that they expect data to be sent to. for example incoming emails are usually sent to port ۱۱ . having ports closed protects the computer from hackers plus its continual monitoring will help detect hacker activity. learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance disk organisation utilities there are three main utilities that work to keep the computer disks organised. they are learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com disk organisation utilities formatting software file transfer software defragmentation software computer systems and their importance formatting software formatting prepares the storage device for data storage. it creates sectors and tracks on which data can be stored. it also creates a special list called the file allocation table fat . the fat is used to keep track of where data is located. each time you write a new file to your hard disk the table is updated with where the data is stored. have you ever heard of the police recovering data on a ‘wiped hard disk’ how is this possible when you format your hard disk you don’t actually delete the data on the disk you simply delete the fat. the computer can no longer locate any data and thinks it is empty. but in fact the data remains. learning objectives describe the purpose and use of common utility programs for computer security anti virus spyware protection and firewalls disk organisation formatting file transfer and defragmentation and system maintenance system information and diagnosis system clean up tools automatic updating . gcse computing a۴۵۱ computer systems programming www.computerscienceuk.com computer systems and their importance file transfer software file transfer software enables data to be stored on the disk. it does this by looking at the fat and locating areas sectors clusters which are free of data. then it physically writes the data into that …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: system, ., computer, program, utility, disk, software, file, datum, virus, spyware, anti,

این فایل پاورپوینت شامل 15 اسلاید و به زبان انگلیسی و حجم آن 0.47 مگا بایت است. نوع قالب فایل pptx بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/05/16 02:08:57 استخراج شده است.

https://computerscienceuk.com/wp-content/uploads/2015/03/16-System-Software-Utilities2.pptx

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