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K to 12 PC Hardware Servicing Learning Module

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K to 12 PC Hardware Servicing Learning Module

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Computer Hardware Servicing. Basic Tools and Gadgets. Philip star screw Philip flat screw Rubber gloves Diagonal cutter Long nose Slide cutter Paint brush Un used eraser Anti Static Wrist strap Soldering iron De-soldering sucker Multi tester Crimper Lan tester

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Computer Hardware Servicing. Basic Tools and Gadgets. Philip star screw Philip flat screw Rubber gloves Diagonal cutter Long nose Slide cutter Paint brush Un used eraser Anti Static Wrist strap Soldering iron De-soldering sucker Multi tester Crimper Lan tester Slideshow 5279163...

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Tools, materials and Equipment for Computer Hardware

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Computer Hardware Tools Cheryll Ann Jacinto Lappay

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In computing, hardware refers to all the physical, tangible components that take up space. Unlike software, which are programs necessary for the computer to run, hardware can be seen and touched. All computers, whether desktop or laptop, have some common hardware components, the only difference being the size and capabilities of the individual components. In a desktop computer, the tower casing houses internal components such as the hard disk, RAM, motherboard and optical drives, while the peripheral devices such as the monitor, keyboard and mouse are external components.

Hard Disk

The hard disk drive is a rectangular, metallic box found inside a desktop computer's tower casing. All the information in a computer, including the OS (operating system), installed applications and programs and user documents are stored in the hard disk. At any given time, a computer operator only works on a small portion of all the data stored in a computer's hard disk. For example, when you are working on a word processor, other applications such as the Web browser and DVD player are not being used, but they are still stored in the hard disk. When you download a file, or install a software, you record the information on the computer's hard disk.

RAM & Processor

Like the hard disk, a computer's RAM (random-access memory) and processor are also internal components. RAM modules fit into predefined slots on the motherboard, and the total RAM of a computer depends on the capacities of the individual modules. When a user opens a program, the computer loads it on RAM from the hard disk, because the RAM is much faster, and the processor can manipulate RAM data more efficiently. When the program is closed, all data associated with the program is unloaded. In essence, the RAM is the computer's work bench, where only information needed at the time is temporarily stored for the processor to work on.

Input & Output Devices

A computer uses input devices to take instructions from the operator. Common input devices include the keyboard, mouse, scanner, microphone and webcam. Without an input device, a user would not be able to feed information to, or interact with a computer; when you click on the Web browser icon and type in a URL, you are using the mouse and keyboard to instruct the computer to execute certain processes. Output devices such as the display monitor, speakers and printer enable the computer to give information back to the user after executing tasks. When the computer displays a Web page, it has already taken an input from the user (the typed-in URL), and processed the information before giving feedback through its monitor.

Removable Media

Optical drives such as CD-ROM and DVD-ROM and the now obsolete floppy-disk drive, are examples of removable media, which are usually held inside the tower casing. Removable media allow a computer to access information that is not stored inside the hard disk. When you insert a DVD to watch a movie, the computer is able to play the content because the DVD-ROM is able to access the data on the disc and forward it to the computer. Another type of removable media is flash drives, which are small USB-based devices used to store and transfer data between computers.

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Uses of Computer Hardware Components | Techwalla.com

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In computing, hardware refers to all the physical, tangible components that take up space. Unlike software, which are programs necessary for the computer to run, hardware can be seen and touched. All computers, whether desktop or laptop, have some common hardware components, the only difference being the size and capabilities of the individual components.

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In today's scenario everyone of us know about professional computer repair and services. Do we know exactly every reason why computer services are needed. This...

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Why Computer Hardware Is ImportantThe operation of your home pc mainly depends on how reputable your components is, so beguaranteed that they are invariably in...

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Description

This course provides a practical introduction to the most common types of Personal Protective Equipment (PPE) used to protect against common workplace hazards, such as chemicals, noise and mechanical injury. The basics of PPE are covered, including practical tips for safe use, PPE programs, limitations and legal responsibilities. This course does not cover specialized PPE - equipment used by emergency responders or to protect against biohazards.

Find out the appropriate personal protective equipment for your workplace hazards: selection, fitting, maintenance, limitations and legal requirements.

Additional resources, links and printable lists are provided throughout the course as well as examples and detailed images to better illustrate concepts. The quizzes after each section as well as the exam help measure learning.

Topics include

Common PPE

Hazard control

PPE program

Responsibilities of workers, supervisors and employers

Basic information and safety tips for the most common types of PPE:

Head protection - e.g. hard hats

Foot protection - e.g. safety shoes

Eye/face protection - e.g. safety glasses

Hearing protection - e.g. ear plugs, muffs

Hand protection - e.g. gloves

Respiratory protection

High-visibility clothing

Upon completion of this course, the participant will be able to

The appropriate PPE for many workplace hazards

The basics of selection, fit, care, and use

The importance of regular inspection and maintenance of PPE

The limitations to PPE as a hazard control method

That there are legal requirements regarding PPE

Target Audience

Workers, managers, and supervisors working in an industrial setting, on construction or demolition sites, and in the forestry and mining industries

Health and safety committee members in these sectors

Not for workers who use specialized PPE e.g. emergency responders (firefighters, hazmat teams) or workers dealing with biohazards

Delivery Method

This course is delivered as an on-line e-learning course. All you need is a computer, access to the Internet - and you are ready to go! This e-learning course is designed to help you learn at your own pace and in your own environment at your own convenience.

During checkout, you can choose to register as a single learner or select a multiple learner license. With a multiple learner license you will act as an administrator and add learners from your company.

Also available in French.

eCourse Volume Discount

The cost is based on the total number of seats purchased. Multi-seat pricing is based on the single user seat price with the following volume discounts applied:

RÉDUCTIONS

Réductions pour volume sur les cours en ligne.

Le coût est fondé sur le nombre total de droits de participation achetés. Le coût par participant pour une licence multiparticipant est calculé en appliquant les réductions pour volume suivantes au coût de participation individuelle :

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Workplace Safety and Prevention Services

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Personal Protective Equipment: The Basics (English) (1 hour)

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This course provides a practical introduction to the most common types of Personal Protective Equipment (PPE) used to protect against common workplace hazards, such as chemicals, noise and mechanical injury. The basics of PPE are covered, including practical tips for safe use, PPE programs, limitations and legal responsibilities.

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Personal protective equipment : School of Electrical, Electronic and Computer Engineering : The University of Western Australia

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Personal protective equipment for students at the School of Electrical, Electronic and Computer Engineering at the University of Western Australia

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CHS Module - Ebook download as PDF File (.pdf), Text File (.txt) or read book online. Computer Hardware Servicing Module for Grade 9

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Warping Of The Processor And The Heatsink
You might find yourself using a computer and suddenly your system freezes and immediately shuts down? And when you try to the computer on, you need to wait for a minute or even more to "cool" down the system. This is quite a serious problem! Your computer's CPU is overheating. But don't worry, there are several reasons why your computer's processor overheats.

Some computer overheating problems may have a quick solution where one may not need any technician to do the job and some overheating problems may require an expert to do the fix. But with our simple tutorial, we will teach you the basic troubleshooting to a more advanced techniques. Computer problems that has to do with the processor is delicate and dangerous. You might have your processor fried or get burned so adequate care is a must to observe.

So here are some of the possible causes why your CPU is overheating

1. The auxiliary fans or case fans aren't working and or defective.

2. The CPU or processor fan that is mounted on the processor's heatsink might be broken or spinning below its required speed. Lower speed means lower dissipation of heat from the computer processor heatsink.

3. The computer processor heatsink might be filled with dust. And as we know, dust impedes the escape of heat thus increasing the processor to build heat fast and high causing to trigger the overheating protection feature for most computer processors including the AMD and Intel Processors.

4. The thermal grease or paste may have run dry or it may not have any. Lack or no thermal grease applied on the processor increases the tiny area or air gaps between it and the heatsink. The trapped air will serve as an insulator and this is not good for your computer.

5. Computer processor heatsink and or processor may have warped. This can be checked by removing both the computer processor and the heatsink and mark both surfaces with a permanent marker and rubbed on a flat surface, preferably a sheet glass. We will have more discussion about it on lapping a processor.

Now that we how what causes the problem, what are then the most effective ways to solve it?

If the fans on the side cover or generally the auxiliary fans aren't working or are not working properly, it could possibly contribute to the increase in temperature inside the system unit. An increase in temperature inside the system can and will cause a slow dissipation of heat that has built-up on the computer processor's heatsink. With the constant increase in temperature the processor automatically triggers the unit to shutdown,before it fries itself.

So the best solution for this is to have those auxiliary fans working again by fixing or totally replacing them. It's the quickest fix and if things still does not work, you probably need to do another check to see what really causes the problem.

Processor Heatsink Fans Spins Slow

Slow spinning of the fan that is mounted directly on the processor's heatsink impedes the dissipation of heat. Thus there will be an enormous heat buildup and again triggers the computer to shutdown to avoid frying the processor itself. The slow spinning fan does not always indicate that the fan is defective. It is possible that the BIOS setting may have affected its speed. You can disable the fan control setting in the BIOS and this will automatically let the processor fan run at its maximum speed.

Another possibility is that your PSU might have some problems. But prior to pointing the problem solely to the PSU, you might also consider checking the fan if it is in good working condition. Try to check if the fan is constricted by hairs or dust particles. A good fan blows air harder on the heatsink thus allowing it to dissipate heat faster and saving your CPU to shutdown by itself. Cleaning the fan blades will likely solve this problem.

The Processor Heatsink Is Filled With Dust

Dusts would serve as heat insulator. That means if your heatsink is filled with it, heat couldn't dissipate well to keep the processor running at the right temperature. You can easily check this one by looking at the grills of the aluminum or copper heatsink, clean all dusts and other particles on it using a brush and a can of compressed air. Better yet, remove the entire heatsink-fan assembly then clean it.

Aside from cleaning it, you might consider buying a copper type than utilizing an aluminum one. Copper is a better conductor of heat than aluminum but it sure does will cost you more.

No Thermal Grease Or Past Applied?

Before mounting the heatsink on the processor, a thermal grease or paste should be applied to reduce the air gaps and patch up the deep areas of both surfaces. If a thermal grease or paste isn't available in your favorite computer parts store, you may alternatively use silicon compound which is available at any electronics store.

Sometimes, you need to replace the thermal grease once in a while. You actually get the problem solved by doing this. By the way, if your CPU's temperature reading is high, it doesn't mean it's overheating as different CPU's have different operating temperature. CPU overheating was a thing of a past for AMD processors. Most AMD processors this day has a feature that prevents itself from frying. Intel Processors had long been a favorite because of its durability and ability to endure working even on high temperatures.

The heatsink really does not warped as much as the processor will. Why do you think that a processor will warp or deform? It is because of the heat that it generates when it is in operation. Intense heat deforms metals and other materials and it doesn't exempt processors. Indication of a warped processor is that when you try to remove the heatsink, the processor would stick on it. It sticks because of the air packets trapped between the processor and the heatsink when one of the materials warp when heat begins to rise.

So how do we resolve this problem? We can do this through a process called lapping. CPU lapping can be dangerous when performed inappropriately. Lapping is flattening out the surface especially the processor to some few micrometers to a fraction of a millimeter by rubbing it on a sandpaper. The purpose of this is to eliminate air packets on the surface of the CPU. We will be discussing about lapping for the next topic.

CPU overheating can be resolved with procedures mentioned earlier. Test and observe then switch to the other procedure if one cannot resolve the problem. Please ensure to follow safety and proper procedures before opening your computer or performing the said solutions.

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Computer Hardware Servicing NC II Tutorial

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Warping Of The Processor And The Heatsink You might find yourself using a computer and suddenly your system freezes and immediately shuts down? And when you try to the computer on, you need to wait for a minute or even more to "cool" down the system. This is quite a serious problem!

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Details

Written by Daniel Greenspan

Compare today's hottest IT career paths.

Information Technology (IT) continues to change how we live, play, and conduct business, so it should come as no surprise that a career in IT is one of the most desirable paths in today's workforce.

The dominance of IT careers is due to numerous factors, including the rapid growth of the Internet and e-commerce, increased demand for cybersecurity specialists spurred by escalating attacks, the advent of smarter applications that enable companies to analyze business data for unprecedented intelligence, cloud computing revolutionizing the way IT departments operate, and the proliferation of mobile devices.

This is great news for established information technology professionals or those beginning an IT career path. However, despite rapid growth and increased opportunity, simply showing up will not guarantee success. The IT job market will continue to get more competitive as people follow the money and jobs. This is why it's essential to identify your IT career objectives and develop a learning plan with the necessary skills, computer training, and IT certifications to build a competitive edge and achieve your goals.

Understanding the current technology career landscape is your first step. This page lists the top IT career paths based on earning power, growth potential, job outlook, and excitement. Click the button below each tech job summary for a deep-dive job description of that career.

Top IT Career Paths

IT Security Specialist

Overview: Also known as cybersecurity or information security analysts, these professionals defend an organization's data and computer systems. In light of continued devastating cyber attacks and the sheer amount of vulnerabilities in modern information systems, the career prospects for IT security specialists are astronomical.

Requirements: Most entry-level jobs in IT security require at least a bachelor's degree in cybersecurity, information assurance, computer science, or a related field of study. Cybersecurity certifications like those from ISC2, ISACA, and EC-Council are also helpful.

Average Salary: $104,000
IT Security Specialist Career Path

User Interface Developer

Overview: User interface (UI) developers are a unique subset of software creators who shape how we interact with applications. Their key responsibility is to create an interface that behaves as a user would expect, thus fostering an intuitive experience. UI developers ply their trade on websites, software systems, mobile applications, and other connected devices.

Requirements: Most user interface developer jobs require a bachelor's in computer science, software engineering, human-computer interaction, or a similar field. As with similar IT-meets-creative career paths, a strong portfolio of work will go a long way.

Average Salary: $91,000
UI Developer Career Path

Help Desk Technician

Overview: Help desk technicians, a.k.a. IT support specialists, provide technical support for technology end-users. This typically involves diagnosing and fixing hardware, software, and network issues, installing and configuring new technologies, and repairing broken devices. IT help desk pros can work either remotely or on-site. Help desk technician is one of the best IT careers for beginners.

Requirements: No college degree is required for most entry-level help desk careers. Relevant IT certifications or associate degrees will help boost job opportunities and pay.

Average Salary: $52,000
Help Desk Technician Career Path

Network Administrator

Overview: Network administrators set up and manage the computer networks and telecommunications systems that keep information flowing. These IT pros configure and maintain network hardware and software and ensure that vital networks remain quick, secure, and available.

Requirements: Most network administration positions require a bachelor's in IT, network management, systems administration, or a related field. Some entry-level roles can be achieved with relevant certifications or an associate degree.

Average Salary: $69,000
Network Admin Career Path

Health Information Technician

Overview: Health information technicians manage patients' electronic medical records and other health data. Marketable career specializations for health IT professionals include medical billing, medical coding, and cancer registry.

Requirements: Entry-level health IT jobs typically require an associate degree in health information management or a similar field. Industry certifications like those from AHIMA are also helpful.

Average Salary: $46,000
Health IT Career Path

IT Project Manager

Overview: IT project managers oversee large-scale technology initiatives, ensuring that projects are carried out on schedule, under budget, and according to specifications. These business-minded IT professionals plan and coordinate internal staffers, external contractors and consultants, and the leadership team to deliver technology projects successfully.

Requirements: Information technology project managers need at least a bachelor's degree in project management, business administration, or a related field. Some roles require master's degrees, such as an MBA. Marketable PM certifications like the PMP will boost prospects.

Average Salary: $129,000
IT Project Manager Career Path

Computer Programmer

Overview: Computer programmers, a.k.a. coders, write the code that makes software systems and applications function. Coders are constantly learning the latest programming languages and platforms; some of today's hottest languages for computer programmers include JavaScript, Python, SQL, Java, PHP, C#, and Go. Programming can also be a springboard for higher-paying IT jobs like software engineering.

Requirements: Some programmers earn a CS bachelor's degree, while others can get hired with an associate degree or specialized certificate from a coding bootcamp. An increasing number of computer programmers are also self-taught.

Average Salary: $73,000
Computer Programmer Career Path

Search IT courses and degrees by job role, technology platform, and concentration.

Sources

About the Author

Daniel Greenspan is the founder and Editor-in-chief of ITCareerFinder. Working closely with IT professionals, world-class trainers, and hiring managers since 2005 has given him unique insight into the information technology job market and the skills and credentials IT pros need to succeed.

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IT Career Paths - Compare the Top Technology Jobs

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Compare the most sought-after IT careers by salary, jobs, education requirements, hot skills and certifications, training programs, outlook, and more.

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Computer and Network Support - Career Pathway Guide

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Students completing the computer and network support certificate will be prepared for employment in the following jobs: computer help desk specialist, network technician, and computer repair technician.