PDF: Lecture 5 - Technology in Action - Understanding and Assessing Hardware

Technology in Action Eighteenth Edition Lecture 5 Understanding and Assessing Hardware:...

Technology in Action Eighteenth Edition Lecture 5 Understanding and Assessing Hardware: Evaluating Your System Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Learning Objectives (1 of 2) 6.1 Describe the changes in CPU performance over the past several decades. 6.2 Compare and contrast a variety of computing devices. 6.3 Describe how a CPU is designed and how it operates. 6.4 Describe tools used to measure and evaluate CPU performance. 6.5 Discuss how RAM is used in a computer system. 6.6 Evaluate whether adding RAM to a system is desirable. Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Learning Objectives (2 of 2) 6.7 Classify and describe the major types of nonvolatile storage drives. 6.8 Evaluate the amount and type of storage needed for a system. 6.9 Describe the features of video cards. 6.10 Describe the features of sound cards. 6.11 Describe steps you can take to optimize your system’s reliability. 6.12 Discuss how to recycle, donate, or dispose of an older computer. Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Your Ideal Computing Device Moore’s Law (Objective 6.1) New technologies emerge quickly Things to consider – Speed – Moore’s Law – System components ▪ DRAM ▪ Hard drive Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Your Ideal Computing Device Selecting a Computing Device (Objective 6.2) Large number of choices – Smartphones – Tablets – Ultrabooks – 2-in-1s – Laptops – Desktops Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (1 of 6) How the CPU Works (Objective 6.3) The CPU – Located on motherboard – Processes instructions – Performs calculations – Manages the flow of information – Intel and AMD processors Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (2 of 6) How the CPU Works (Objective 6.3) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (3 of 6) How the CPU Works (Objective 6.3) Machine cycle – Fetch – Decode – Execute – Store Two units – Control unit – Arithmetic logic unit (ALU) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (4 of 6) How the CPU Works (Objective 6.3) CPU’s processing power – Clock speed – Overclocking – Cores – Parallel processing – Cache memory Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (5 of 6) How the CPU Works (Objective 6.3) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem (6 of 6) How the CPU Works (Objective 6.3) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the CPU Subsystem Measuring CPU Performance (Objective 6.4) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Memory Subsystem (1 of 4) Random Access Memory (Objective 6.5) Random access memory (RAM) – Short-term memory storage – Volatile storage Read-only memory (ROM) – Critical startup instructions – Nonvolatile storage Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Memory Subsystem (2 of 4) Random Access Memory (Objective 6.5) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Memory Subsystem (3 of 4) Random Access Memory (Objective 6.5) RAM – On motherboard – 8 GB – Dual inline memory modules (DIMMs) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Memory Subsystem (4 of 4) Random Access Memory (Objective 6.5) SuperFetch – Preloads often used programs into system memory Resource monitor – Displays how computer resources are being used Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Memory Subsystem Adding RAM (Objective 6.6) Limited to motherboard’s capacity Easy to install Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Storage Subsystem (1 of 2) Types of Storage Drives (Objective 6.7) Mechanical hard drives – Coated platters stacked on a spindle – Data saved as pattern of magnetized spots of 1s and 0s – Access time is the time it takes to find the data and make it available Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Storage Subsystem (2 of 2) Types of Storage Drives (Objective 6.7) Solid state drives – Fast access times – Generate little heat – Run with no noise – Require little power Solid state hybrid drives Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Storage Subsystem (1 of 3) Storage Needs (Objective 6.8) Application/Data Hard Drive Space Required Heavy Cloud Storage User Windows 11 64 G B 64 GB Microsoft 365 4 GB 4 GB Adobe Photoshop Elements 2020 4 GB 4 GB Adobe Premiere Pro CI 10 GB 10 GB Video library of movie 80 GB (about 40 HD movies) Streamed through online service Music library 50 GB (about 7,000 songs) Stored in cloud (iCloud or Amazon Cloud Drive) Photographs 5 GB Stored in iCloud or Dropbox Total storage in use 223 GB 88 GB Full backup 223 GB Stored in cloud using Carbonite Total required 446 GB 88 GB Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Storage Subsystem (2 of 3) Storage Needs (Objective 6.8) Redundant array of independent disks (RAID) – R AID 0 – R AID 1 Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Storage Subsystem (3 of 3) Storage Needs (Objective 6.8) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Media Subsystems (1 of 2) Video Cards (Objective 6.9) Video display depends on two components – Video card – Monitor Ports – HDMI – DVI – DisplayPort adapter Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Media Subsystems (2 of 2) Video Cards (Objective 6.9) Video memory Screen Resolution – Found in Advanced Display Settings Graphics Processing Unit (GPU) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Media Subsystems (1 of 2) Sound Cards (Objective 6.10) Speakers and a sound card 3D sound technology Surround sound Dolby Digital 7.1 Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating the Media Subsystems (2 of 2) Sound Cards (Objective 6.10) MIDI—allows communication between – Different kinds of electronic instruments – And computers Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating System Reliability and Moving on Maintaining (1 of 2) Maintaining System Reliability (Objective 6.11) Reliability – Install antivirus program – Install spyware and adware – Clear out unnecessary files – Run Disk Defragmenter – Automate key utilities Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating System Reliability and Moving on Maintaining (2 of 2) Maintaining System Reliability (Objective 6.11) System crashes – Try System Restore – Check amount of RAM – Investigate any error codes – Search with Google – Consider Windows Reset Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating System Reliability and Moving on Getting (1 of 2) Getting Rid of Your Old Computer (Objective 6.12) Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Evaluating System Reliability and Moving on Getting (2 of 2) Getting Rid of Your Old Computer (Objective 6.12) Benefits of maintaining two systems Environmental impact – Mercury – Cadmium Donate – Remove all data before donating Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved Copyright This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their courses and assessing student learning. Dissemination or sale of any part of this work (including on the World Wide Web) will destroy the integrity of the work and is not permitted. The work and materials from it should never be made available to students except by instructors using the accompanying text in their classes. All recipients of this work are expected to abide by these restrictions and to honor the intended pedagogical purposes and the needs of other instructors who rely on these materials. Copyright © 2024, 2022, 2020 Pearson Education, Inc. All Rights Reserved