Typically, maintenance takes up about 4080% of the project cost, usually closer to the higher pole. Computer notes software free download computer notes top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Hardware is the physical components of a computer system e. A computer based system is a system in which a computer is involved and consists of three major elements. All software utilizes at least one hardware device to operate. Every other computer part connects to the motherboard. Choosing which network maintenance model you will use depends on your network and the business. Computer hardware runs software programs and stores the digital information used in daily life, businesses and schools. Computer repair notes free toolbar for mozilla firefox. The term environment in this context refers to the conditions and the influences which act from outside on the system.
This is also sometime called the machinery or the equipment of the computer. Page 2 of 19 monitor temperature monitor voltage objective 2. Computer hardware repairs and maintenance presentaon by akusa peter aker assistant chief programme analyst. The software is a kind of programs that enable a user to perform some specific task or used to operate a computer. In fact, digital pianos are relatively low maintenance instruments. The first partition contains the system recovery information. System software includes operating systems, device drivers, diagnostic tools and more. For example, a video game, which is software, uses the computer processor, memory, hard drive, and video card to run. Helps run the computer hardware and computer system itself. Show competency in your understanding of essential hardware components, cards and devices by knowing and doing the following. In a cisco internetwork, this may include replacing older or failed hardware, such as switch linecards and supervisor modules in catalyst 4500 and 6500 series switches, for example, as well as upgrading the cisco ios images to current.
You dont have to think of a complete network maintenance model yourself. The computer will require restarting these are only a few of the p ossible problems you will experience of proper maintenance is not routinely performed. Computer viruses a computer virus is a computer program that can replicate itself and spread from one computer to another. If this is not sufficient for a more severely dirty keyboard, keys are physically. It is a study of the computer its hardware and software from its earliest beginnings, through the advent of the mainframe and personal computers, up to presentday pentium processordriven machines. As software is upgraded and new technology is discovered, hardware. So, these are the simple computer maintenance tips for better operation of your computer. Its best to use one of the models that is best suited for your organization and adjustments if needed.
Rightclick the led to select the base octave for mapping the keyboard keys. Output devices provide data in myriad different forms, some of which include audio. A combination of hardware and software forms a usable computing system. Identify, plan, resource, and acquire facilities to enable training, maintenance, and storage to maximize. If the hardware is the heart of a computer system, then the software is its soul. It directs all the peripheral devices on a computer system what to do and how to perform work. A desktop computer is comprised of many diverse components. A computer therefore, is a collection of electronic parts body with a set of instructions controlling it mind.
Craftsman training scheme cts and apprenticeship training scheme ats are two pioneer programs of ncvt for propagating vocational training. Most activities can be described in terms of the inputprocessoutput ipo cycle. Computer hardware monitor primary device for displaying information from the computer tower metal casing that holds all of computers components. Perfective maintenance accounts for 50%, that is, the largest of all the maintenance activities.
The ultimate computer repair guide hardware that is not part of the system unit is sometimes called a peripheral device or device. The 10 commandements of computer care custom gaming. Hence, a focus on maintenance definitely helps keep costs down. With the internet, there is a ton of great information available. It tends to reduce the software complexity thereby improving program understandability and increasing software maintainability. 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. These let you play or practice piano on your computer easily. However, one study indicated that over 80% of maintenance effort is used for noncorrective actions. Brainmaster software and hardware installation manual 5319 v6. Students who searched for list of free online computer maintenance courses and classes found the following resources, articles, links, and information helpful. Clean the keyboard to ensure that you remove the dust sitting between the keys.
Basic computer hardware notes copy all agp the accelerated graphics port is a high speed connection to the motherboard for video cards. Different software applications can be loaded on a hardware to run different jobs. Keep it dusted, out of direct sunlight and away from spilled liquids, and your digital piano will last many, many years of. 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. Computer notes software free download computer notes. Central processing unit, monitor, keyboard, mouse, speakers, etc.
Hardware refers to the physical elements of a computer. Basic computer troubleshooting and maintenance guide step two. Hardware and software installation, replacement and upgrades are very common network maintenance tasks. 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. Computer repair and maintenance is divided into two sections. Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes a common perception of maintenance is that it merely involves fixing defects. Computer hardware includes the physical parts of a computer, such as the case, central processing unit cpu, monitor, keyboard, computer data storage, graphics card, sound card, speakers and. In this case our time was 1 hour 22 minutes 30 seconds. To get a particular job done on the computer, relevant software should be loaded into the hardware.
The segments covered in the hardware maintenance and support services are defined in the following. Its important to introduce a computer hardware maintenance into your routine. Adaptive maintenance consists of adapting software to changes in the environment such as the hardware or the operating system. In this checklist, we have tried to cover almost all the aspects of good computing both hardware and software.
This video will identify each piece of hardware that makes up a computer. The single best way to care for your gaming computer is to provide it with routine care. On the other hand, the sounds for a digital piano are recorded and stored within the hardware, so it does not go out of tune. There are tool available in windows designed to optimize the performance of your notebook, as well as prevent problems in the future. System software is almost always preinstalled on your computer. It includes word processing, web browsing and almost any other task for which you might install software. Purchase computer hardware maintenance 1st edition. Hardware and software in this section of notes you will learn about the basic parts of a computer and how they work. Faster than a pci card and doesnt use the system memory.
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. These courses teach you how to install and support common computer hardware, and diagnose and repair problems when they occur. A computer system can be divided into three components. If youre using any software, then it is best to have the upgraded and latest. Preventive maintenance involves performing activities to prevent the occurrence of errors. On an average, the cost of software maintenance is more than 50% of all sdlc phases. Examples of hardware are the following input devices. Internal components accumulate dust brought in by the airflow maintained by fans. Computer repair and maintenance linkedin slideshare. Basic software and hardware maintenance is easy to perform and extends the life of your computer. Software maintenance sustains the software product throughout its life cycle from development to operations.
Without software, we cant operate hardware and perform any calculations. A software acts as an interface between the user and the hardware. The average time of preventive maintenance in hardware is 1 hour or hourand a half. What are the differences between hardware and software. Bios the basic inputoutput system controls the computer s basic operations and is responsible for starting up the computer and hardware. Computer hardware notes software free download computer. Hardware, software, and user where the user may be another computer system. All these piano software are completely free and can be downloaded to windows pc. Take care of your computer with computer hardware maintenance.
Computer maintenance is the practice of keeping computers in a good state of repair. Basic maintenance for computers before switching on the computer. This perception is perpetuated by users submitting. Fl studio using pc keyboard future producers forums. Some of these programs block access to the internet, create advertising popups on your computer and generally slow your computer down. List of free online computer maintenance courses and classes. 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. Modification requests are logged and tracked, the impact of proposed changes is determined, code and other software artifacts are modified, testing is conducted, and a new version of the software product is released. The essential part of software maintenance requires preparation of an accurate plan during the development cycle.
As an it professional, you need software and hardware training. The motherboard is the most important part of a computer. 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. Lets take a look at the 10 commandments of computer care for your workstation pc. Software development is very expensive and is a continuing expense. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. We recommend dedicating some time for doing this, every week or every month. Word processing software uses the computer processor, memory, and hard drive to create and save documents. Basic computer hardware notes corvallis high school. This promotes unavoidable wear and tear and will cause parts to fail after so many uses. The elements of a computer based system are described in the three following scenarios.
1181 382 825 1383 856 1269 429 1100 897 1252 232 561 381 1456 967 746 1279 1027 1591 1146 591 523 1458 716 315 1013 1181 862 406