Technology for Success: Computer Concepts Module 3 Computer Hardware Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Lesson Objectives • Categorize the various types of computer hardware • Demonstrate familiarity with input and output devices • Maintain hardware components Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Types of Computer Hardware • Define components of computer hardware • Explain how computers represent data • Explain the benefits of internal, external, and cloud-based storage solutions • Explain the pros and cons of using different types of computer, including allin-ones, tablets, mobile devices, and desktop computers • Determine which hardware features are personally necessary to consider when purchasing a computer Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Components of Computer Hardware (1 of 4) Communication Data Processing Information Output Devices Input Devices Communicates data, instructions and commands to a computer • Keyboard • Mouse • Microphone • Touchscreen Storage Storage Devices • Designed to store data for extended periods of time • The type and amount of data helps to determine the most appropriate storage device to use Conveys information from the computer to the user • Speakers • Printers • Monitors Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Components of Computer Hardware (2 of 4) Central Processing Unit (CPU) • A complex integrated circuit consisting of millions of electronic parts and is primarily responsible for converting input (data) into meaningful output (information) • Data travels in and out of the CPU through a bus • Machine cycle 1. 2. 3. 4. Fetch Decode Execute Store RAM ALU CU Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Components of Computer Hardware (3 of 4) Computer Memory • Random access memory (RAM) o Responsible for holding all data and programs as they are being processed by the CPU • Read-only memory (ROM) o BIOS (basic input output system) o Power-on self test (POST) o Firmware • Cache • Flash memory • Virtual memory Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Components of Computer Hardware (4 of 4) Common Types of RAM Table 3-1: Types of RAM Type of RAM Description Volatile or nonvolatile Dynamic RAM (DRAM) Memory needs to be constantly recharged or contents will be erased Volatile Static RAM (SRAM) Memory can be recharged less frequently than Volatile DRAM, but can be more expensive than DRAM Magnetoresistive RAM (MRAM) Memory uses magnetic charges to store contents, and can retain its contents in the absence of power Nonvolatile Flash memory Fast type of memory that typically is less expensive than some other types of RAM, and can retain its contents in the absence of power Nonvolatile Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Explain How Computers Represent Data Binary System • Bit (binary digit) • Byte • Text coding scheme o ASCII o Unicode Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Storage Solutions Hard Drives • Internal hard drives o Magnetic hard disk drives (HDDs) o Solid State Drive (SDD) • External hard drives o USB flash drive o Optical media Cloud Storage • Storing electronic files on the Internet instead of a local computer • Google Drive, Microsoft OneDrive, Dropbox Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Pros and Cons of Different Types of Computers (1 of 3) Desktop Computer • Typically consists of a system unit, monitor, keyboard, and mouse • More powerful, more storage • Hardware components can be easily upgraded Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Pros and Cons of Different Types of Computers (2 of 3) All-in-one Computer • Monitor and system unit are housed together • Take up less space and easier to transport • Typically more difficult to service or upgrade • More expensive than desktops Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Pros and Cons of Different Types of Computers (3 of 3) Mobile Device • Portable or handheld computing device • Laptop – power, portability and upgradeability comes at a cost • Tablet - less powerful, not upgradeable Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Hardware to Consider When Purchasing a Computer (1 of 3) Table 3-2: Factors to consider in buying a computer Consideration Questions Platform • • Hardware • • Do I need to use software that requires a specific platform? Does the computer need to be compatible with other devices I own that use a particular platform? Do I require specific hardware to perform intended tasks? How much data and information do I plan to store on the computer? Hardware specification • Will the tasks I perform or software I want to run require certain hardware specification? Form factor • Will I be using this computer in one location, or will I need to be mobile? Add-ondevices • What additional devices will I need to perform my intended tasks? Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Hardware to Consider When Purchasing a Computer (2 of 3) Table 3-3: Evaluating system requirements Specification Recommended solution Different processor requirements Identifying the program or app with the greater processor requirement and select a computer with a processor that meets or exceeds the requirements Different memory requirements Identifying the program or app with the greater memory requirements and select a computer with a memory type and capacity that meets or exceeds this requirement. Computers with as little as 4 GB of memory are great for basic web browsing and very basic productivity tasks, while computers with as much as 32 GB are often used for virtual reality applications, high-end-gaming, and other intensive tasks. Different storage requirements Add the storage requirements for each program or app you want to use, and select a computer with the storage capacity that exceeds the sum of all storage requirements. Other differing hardware requirements In most cases, identify the program or app with the greater requirement and select a computer that at least meets or exceeds this requirements. Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Hardware to Consider When Purchasing a Computer (3 of 3) Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Activity: Choosing the right computer Discuss the following: • Should people buy the most expensive computer they can afford? Why might it be better to start from needs and hardware specifications? • Considering the needs and hardware specifications, what type of device might the following users need? o Uni student studying history o Engineer / engineering students o Content creator (multi-media) o Someone who uses their computer to watch YouTube or Netflix Answer the following in Moodle: • What do I need a computer for? • Identify suitable hardware components that will meet your requirements. Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Input and Output Devices • Experiment with input devices • Experiment with output devices • Explain how to install computer hardware Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Input Devices Input Devices • Keyboard • Pointing device o Mouse, touchpad, trackball • Touchscreen/multitouch screens • Stylus / digital Pen • Microphone • Cameras/webcams • Scanner • Game controllers o Game pad, motion-sensing, etc Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Output Devices Output Devices • Speakers • Headphones • Printers o Ink-jet o Laser o Earbuds o Multifunction device (MFD) o Headsets o Mobile • Projectors • Voice synthesizer o Plotter o 3-D Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. How to Install Computer Hardware Installation • Check for all necessary components • Free from damage • Connect all components and accessories, then connect power • Turn on computer, follow on-screen steps • Peripherals o Plug-and-play o Device driver Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Maintain Hardware Components • Explain the necessary steps to maintain computer hardware • Explain how to restore a device and its associated hardware and software • Explain how to troubleshoot problems with hardware and peripherals Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Steps to Maintain Computer Hardware Regular Maintenance • Clean display with damp cloth • Clean keyboard with compressed air • Keep away from clutter/dust (keep air vent free of dust and debris • Keep environment temperature controlled • Protect from power fluctuations o UPS / surge protector • Keep free space on hard drive • Regularly back up data Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Restoring a Device Restoring the Operating System • Backup files • Follow system steps for restore Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Activity: Troubleshooting Hardware Problems What can you do to troubleshoot the following hardware problems: • Device does not turn on • Monitor does not display • Program/app does not run • Slow performance • Screen damage / touchscreen unresponsive • Device is too hot • Wireless network issues • Bluetooth issues Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Technology for Success: Computer Concepts Carey/Pinard/Shaffer/Shellman/Vodnik, New Perspectives Collection, Microsoft® Office 365® & Office 2019, 1st Edition. © 2020 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
