Basic Computer Hardware Pdf
3.3 Computer Hardware Basics Computer hardware is divided into two main categories: the system unit and peripherals. The system unit contains the electronic components used to process and temporarily store data and instructions (Figure 3.2). These components include the central process-ing unit, primary memory, and the system board. Beginning Computer Literacy ARC Workshop.Exact instructions may differ. Objectives.Basic knowledge of computer components.Turning on and off the computer.Running a program.Handling files. – The underlying software that runs all of the computer hardware and software.
Why Computer Science Computer Hardware?
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The Ultimate Computer Repair Guide Hardware that is not part of the system unit is sometimes called a peripheral device or device. The motherboard is the most important part of a computer. Every other computer part connects to the motherboard. If the motherboard does not work, none of the other parts will either. COMPUTER BASICS. Delhi University Computer Centre. What is a Computer? An electronic device that stores, retrieves, and processes data, and can be programmed with instructions. A computer is composed of hardware and software, and can exist in a variety of sizes and configurations. Hardware & Software The term hardware refers to the physical.
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Hardware Troubleshooting Techniques Introduction This chapter contains information that applies to identifying and trouble-shooting hardware problems. Sorting Hardware/Software/ Configuration Problems One of the first steps in troubleshooting a computer problem (or any other programmable system problem) is to determine whether the problem is due. Software provides the means for accomplishing many different tasks with the same basic hardware. Practical computer systems divide software systems into two major classes: System software: Helps run the computer hardware and computer system itself. System software includes operating systems, device drivers, diagnostic tools and more. Chapter One Introduction to Computer. Computer hardware is the collection of physical elements that constitutes a computer system. Computer hardware refers to the physical parts or components of a computer. System software that provides the basic non-task-specific functions of the computer, and application software which is used.
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Computer hardware refers to the physical components that make up a computer system.
There are many different kinds of hardware that can be installed inside, and connected to the outside, of a computer.
Computer hardware may sometimes be seen abbreviated as computer hw.
Take a tour inside a desktop computer to learn how all the hardware in a traditional desktop PC connects together to create the complete computer system like the one you may be using right now.
List of Computer Hardware
Here are some common individual computer hardware components that you'll often find inside a modern computer. These parts are almost always found inside the computer's housing, so you won't see them unless you open the computer:
- Central Processing Unit (CPU)
- Random Access Memory (RAM)
- Hard Drive (HDD)
- Solid-State Drive (SSD)
- Optical Drive (e.g., BD/DVD/CD drive)
- Card Reader (SD/SDHC, CF, etc.)
Here is some common hardware that you might find connected to the outside of a computer, although many tablets, laptops, and netbooks integrate some of these items into their housings:
- Battery Backup (UPS)
- Printer
- Speakers
- Pen Tablet
Here are some less common individual computer hardware devices, either because these pieces are now usually integrated into other devices or because they've been replaced with newer technology:
- Network Interface Card (NIC)
- Expansion Card (Firewire, USB, etc.)
- Hard Drive Controller Card
- Analog Modem
- Scanner
- Projector
- Joystick
- Webcam
- Microphone
- Tape Drive
- Zip Drive
The following hardware is referred to as network hardware, and various pieces are often part of a home or business network:
- Digital Modem (e.g., Cable Modem, DSL Modem, etc.)
- Print Server
Network hardware isn't as clearly defined as some other types of computer hardware. For example, many home routers will often act as a combination router, switch, and firewall.
In addition to all the items listed above, there's more computer hardware called auxiliary hardware, of which a computer might have none, or several, of some kinds:
- Fan (CPU, GPU, Case, etc.)
- Heat Sink
- Data Cable
- Power Cable
- Daughterboard
Some of the devices listed above are called peripheral devices. A peripheral device is a piece of hardware (whether internal or external) that isn't actually involved in the computer's main function. Examples include a monitor, video card, disc drive, and mouse.
Troubleshooting Faulty Computer Hardware
Computer hardware components individually heat up and cool down as they're used and then not used, meaning that eventually, every single one will fail. Some may even fail at the same time.
Fortunately, at least with desktop computers and some laptop and tablet computers, you can replace the non-working piece of hardware without having to replace or rebuild the computer from scratch.
Here are some resources you should check out before you go out and purchase a new hard drive, replacement RAM sticks, or anything else you think may be going bad:
Basic Computer Hardware Pdf Notes
Memory (RAM)
Hard Drive
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Computer Fan
In Microsoft Windows, hardware resources are managed by Device Manager. It's possible that a 'faulty' piece of computer hardware is really just in need of a device driver installation or update, or for the device to be enabled in Device Manager.
Hardware devices won't work at all if the device is disabled, or may not be running properly if the wrong driver is installed.
Computer Components Pdf
If you decide that some hardware needs replacing or upgrading, find the manufacturer's support website for warranty information (if it applies to you) or look for identical or upgraded parts that you can buy directly from them.
See these hardware installation videos for walkthroughs on installing different computer hardware, like a hard drive, power supply, motherboard, PCI card, and CPU.
Hardware vs Software
Robertshaw 7200der gas valve instructions. A computer system isn't complete unless there's also software, which is different than hardware. The software is data that's stored electronically, like an operating system or a video editing tool, which runs on the hardware.
Hardware gets its name due to the fact that it's strict when it comes to modifications, whereas software is more flexible (i.e., you can easily upgrade or change software).
Basic Computer Hardware And Software Pdf
Firmware is closely related to hardware and software, too. Firmware is used to tie the two together so that a software program knows how to interface with a piece of hardware.