These tips cover devices hardware components, operating systems, memory, software, and vulnerability to external threats. Computer hardware questions and answers pdf free download,objective troubleshooting questions,multiple choice questions,lab viva,online quiz,test skip to content engineering interview questions,mcqs,objective questions,class notes,seminor topics,lab viva pdf free download. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. The computer is a two part system consisting of a body that is the hardware and a mind that is the software. Adaptive maintenance is the implementation of changes in a part of the system, which has been affected by a change that occurred in some other part of the system. Proper maintenance and support of these assets increases usability and lowers the total cost of ownership to the organization. Note that more than 55% of maintenance resources and activities of an average facility are still reactive. Understanding how computer hardware works is a really helpful skill set in it support, since an it department maintains the hardware that a company uses. James tam basic units of measurement bit binary digit. Thats for emergencies only otherwise, it just stresses your hardware and software. The distribution of types of maintenance by type and by percentage of time consumed. Inputoutput io devices these allow you to send information to the computer or get information from the computer. In addition, there is software desi gned to protect your hard drive from viruses. These lecture notes are provided for the personal use of students.
Pc troubleshooting and maintenance guide 9 hardware installation continued symptom possible solution. Pc troubleshooting and maintenance guide 3 windows reports smaller capacity in the windows explorer tool and in the my computer window because it shows information about one partition on the hard disk drive at a time. Basic computer hardware notes copy all agp the accelerated graphics port is a high speed connection to the motherboard for video cards. Measurement of preventive maintenancefor the measurement of the preventive maintenance will seek a software as it is inthis case the software called performance, is intended to be the final outcome ofthe test. What are the differences between hardware and software. In addition to this a candidate is entrusted to undertake project work and extra. There are various shortterm and longterm courses in this field that candidates can pursue after passing class 12. The term virus is also commonly, but erroneously, used to refer to other types of malware, including but not limited to adware and spyware programs that do not have a reproductive ability. Presented by arrash jaffarzadeh filmed by savannah silva. Coputer hard ware video for assembling and disassembling,what are the problem of compouter hardware with solution you will learn from pdf fill notes please try to watch this video carefully so it will help you for assembling and disassembling your computer hardware parts.
Jan 16, 2014 part one of a twopart lesson teaches you about your computer s hardware. Software maintenance is the process of modifying a software product after it has been delivered to the customer. The motherboard is made up of even more parts that power and control the computer. Hardware and software in this section of notes you will learn about the basic parts of a computer and how they work. The present computers are much advanced in terms of. This computer hardware hindi notes contains basic knowledge of computer parts, their functions, assembly, installation, maintenance and troubleshooting. Hardware and software maintenance for the document imaging and. Page 5 of 19 standard 2 15% of exam blueprint students will understand, identify and troubleshoot the windows operating system components of a typical pc. Most activities can be described in terms of the inputprocessoutput ipo cycle. Hardware and software maintenance posted in external hardware. Any filters used to mitigate this need regular service and changes. Windows 10 is set to automatically install updates by default.
The windows registry holds information regarding hardware and software settings on your computer. You will earn how you can put information in computers and get information out of computers. Lecture notes, lecture and 14 maintaining a computer and fixing. Software engineering software maintenance geeksforgeeks. The process of deleting your cached files can take a few minutes. Computer hardware is the collection of physical elements that constitutes a computer system. There are tool available in windows designed to optimize the performance of your notebook, as well as prevent problems in the future. The ultimate computer repair guide hardware that is not part of the system unit is sometimes called a peripheral device or device. Download tutorial basic computer maintenance, free pdf course training by midyork. Perfective maintenance is concerned with the change in the software that occurs while adding new functionalities in the software.
Learn about what courses are available and what topics they cover to. The primary objective of software maintenance is to make the software system operational according to the user requirements and fix errors in the software. Verisurf maintenance keeps your software up to date with rapidly changing technology. Show competency in your understanding of essential hardware components, cards and devices by knowing and doing the following. For example, the computer monitor you are using to read this text and the mouse you are using to navigate this web page are computer hardware. The main purpose of software maintenance is to modify and update software application after delivery to correct faults and to improve performance. Computer hardware is an integral part embedded in all modern day automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. Bios the basic inputoutput system controls the computers basic operations and is responsible for starting up the computer and hardware. The system unit contains the electronic components used to process and temporarily store data and instructions figure 3.
Lep has a substantial investment in hardware, software, network devices, and peripherals. With the internet, there is a ton of great information available. System software is almost always preinstalled on your computer. Computer hardware notes in hindi pdf, download computer hardware notes in hindi for free. Computer hardware is any physical device used in or with your machine, whereas software is a collection of code installed onto your computer s hard drive. If the hardware is the heart of a computer system, then the software is its soul. Are the set of instructions or more generally a collection of computer programs which tell the hardware how to work and perform different tasks on a computer system. A computer s hardware is comprised of many different parts, but perhaps the most important of these is the motherboard. It includes the features that responsible for directing the work to the hardware. Computer maintenance tips physical and environmental. Introduction to computer repair and maintenance tutorial. Every computer is composed of two basic components. Computer hardware is an intriguing field of computer science and candidates who seek application careers in this field will have to pursue hardware and networking courses.
The first partition contains the system recovery information. See our list of top free online computer maintenance courses. The component existing version is assigned an identification number. In this case our time was 1 hour 22 minutes 30 seconds. Product, that, under normal operating conditions, a the product hardware except for fuses, lamps and other consumables and the medium on which the product software is contained will be free from defects in material and workmanship, and b the product software will perform substantially in accordance with the. The part which activates the physical components cs alled software. Computer hardware notes software free download computer. Short notes on software, hardware, peripheral and pasteurization software. Onsite walkin and repair service will be unavailable during this public health emergency. These components include the central processing unit, primary memory, and the system board.
Computer hardware maintenance involves taking care of the computers physical components, such as its keyboard, hard drive and internal cd or dvd drives. If you need to remember websites or phone numbers, use postit notes or digital files instead. Rom for research purposes, html and basic hardware and software. Computer repair notes ie computer repair notes ie free toolbar. Helps run the computer hardware and computer system itself. System software includes operating systems, device drivers, diagnostic tools and more.
The segments covered in the hardware maintenance and support services are defined in the following. Sometimes, maintenance also involves adding new features and functionalities using latest technology to the existing software system. Every other computer part connects to the motherboard. A software acts as an interface between the user and the hardware. Fans in a computer cases can often cause overheating, and with that permanent damage to the component. A study on estimating software maintenance found that the cost of maintenance is as high as 67% of the cost of entire software process cycle. Software maintenance manages the versions, that is, the older version present software and the new version when the software is modified.
Keep in touch read music notes sing n learn hn from 2 to 17 different notes in treble clef and bass clef, treelasticpad treelasticpad is a simple, intuitive computer notes hotel computer software hotel computer software is a system designed to simplify. This tutorial demonstrates different system utilities and applications which enable your computerto perform better. Introduction to computer repair and maintenance tutorial from will show you 16 useful tips to do this business. This perception is perpetuated by users submitting. Hardware and software are interconnected, without software, the hardware of a computer. This promotes unavoidable wear and tear and will cause parts to fail after so many uses. It only takes a minute each day, and it could prolong your devices life for months or years. Preventive maintenance involves implementing changes to prevent the occurrence of errors.
Adaptive maintenance consists of adapting software to changes in the environment such as the hardware or the operating system. We will demonstrate how to open it up, take it apart and discuss the make up of the mother board, and then put it back. If we are dealing with new equipment, we can expect minimal incidents of failure. Dust and debris will accumulate as a result of air cooling. List of free online computer maintenance courses and classes. The hardware of a computer is not changed frequently, in contrast with software and data. Computer hardware maintenance presents the full scope and understanding of how the pc hardware maintenance function should operate and be managed in an organization, including steps involved in containing costs, keeping records, and planning the integration of the help desk function. Hardware represents the physical and tangible components of a computer i. Computer hardware refers to the physical parts or components of a computer. Introduction to computer hardware hardware coursera. It connects the cpu, memory, hard drives, optical drives, video card, sound card, and other ports and expansion cards directly or via cables. Computer hardware computer hardware and networking,printer. A computer containing accumulated dust and debris may not run properly.
It includes word processing, web browsing and almost any other task for which you might install software. Switch off the computer verify that the computer closes down correctly. Computer maintenance is the practice of keeping computers in a good state of repair. Hardware is the physical components of a computer system e.
Computer hardware and maintenance linkedin slideshare. May 22, 2011 the average time of preventive maintenance in hardware is 1 hour or hourand a half. A solid understanding of these computer internals will come in handy when troubleshooting hardware related problems, and taking things apart to see how they work is just super fine. Hardware and software maintenance external hardware. A computer therefore, is a collection of electronic parts body with a set of instructions controlling it mind. If you continue browsing the site, you agree to the use of cookies on this website. Csc 408fcsc2105f lecture notes these lecture notes are. Cleaning the computer, keeping its fans free from dust, and defragmenting its hard drives regularly are all parts of a computer hardware maintenance program. These are only a few of the p ossible problems you will experience of proper maintenance is not routinely performed.
Read chapter 8 computer hardware and software for the generation of virtual. Note that the software configuration management manages how the versions differ, who made the changes, and why they were made. Mar 10, 2019 hardware maintenance computer hardware maintenance involves taking care of the computer s physical components, such as its keyboard, hard drive and internal cd or dvd drives. Basic computer hardware notes corvallis high school. Understand what takes place with the computers hardware when the computer operates. Different software applications can be loaded on a hardware to run different jobs. Guide hardware and software maintenance in english. Any kind of computers consists of hardware and software. Computer hardware monitor primary device for displaying information from the computer tower metal casing that holds all of computers components. Pdf basic computer maintenance free tutorial for beginners. Advantages to reactive maintenance can be viewed as a doubleedged sword.
Faster than a pci card and doesnt use the system memory. Exclusive of parts bundled into maintenance contracts, sales of all parts used to repair hightech equipment in carryin, mailin or perincident onsite delivery models, or purchased by the internal staff to perform the repair, are included. Deleting design and and code components that are obsolete. Computer hardware is the collection of all the parts you can physically touch.
Blow out and clean your computer regularly your computer is made up of many moving parts, and these parts get hot during use causing the metal to expand and then contract while cooling down again. A guidebook in pc hardware, maintenance and repair william lloyd, instructor. To resolve a device conflict, you may need to disable one of the devices or uninstall an old device driver. This policy is designed to support preventative and ongoing maintenance of lep computer and software assets. Corrective maintenance repair of errors in the software reported by users. You will learn vocabulary about computer hardware, and computer software. For fixing your pc and eliminating these programs, you should scan with a proper antivirus program. Software development is very expensive and is a continuing expense.
Computer repair notes free toolbar for mozilla firefox. The motherboard is the most important part of a computer. In contrast to software, hardware is a physical entity. Computer operating system changes microsoft makes regular changes to the windows operating system. Central processing unit cpu or processor for short. C notes for professionals book learning laravel learning symfony2. Associates unaccented as its help desk questionproblem and resolutiontracking database. New or existing device does not work after installing a new device. This video will identify each piece of hardware that makes up a computer. The motherboard serves as a single platform to connect all of the parts of a computer together.
On an average, the cost of software maintenance is more than 50% of all sdlc phases. Page 2 of 19 monitor temperature monitor voltage objective 2. To properly maintain your notebook, the following procedures should be performed with regular ity. However, one study indicated that over 80% of maintenance effort is used for noncorrective actions. How to do computer maintenance and reduce computer. Notes computer hardware basics the computer a computer is made up of many parts. Bios the basic inputoutput system controls the computer s basic operations and is responsible for starting up the computer and hardware. Rom for research purposes, html and basic hardware and software troubleshooting skills, how to develop a booklet, how to make. Dec 16, 2018 22 responses to pc maintenance lecture notes. Computer hardware changes computer hardware changes quickly and new computing and graphics processors will impact any 3d application.
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