Introduction to Hardware IT190 Foundations in Information Technology Unit 2 Checklist Complete Assignment Complete Discussion Board Remember to make your first post before Saturday Post on three different days Check for spelling and grammar Be professional Flexible Learning Activity Seminar or Quiz IT190 Foundations in Information Technology Unit 2 Objectives Describe basic computer components Identify components on a motherboard Identify common computer parts IT190 Foundations in Information Technology Agenda Hardware vs. software Microprocessors RAM vs. ROM Motherboard USB vs. FireWire Soft skills: active listening IT190 Foundations in Information Technology Hardware vs. Software Hardware Something you can touch or feel Software Instructions for the computer Firmware Combines hardware and software IT190 Foundations in Information Technology Motherboard What is the motherboard? What are some of the main components found on the motherboard? CPU Sockets and slots Fans and heat sinks Expansion slots Chipsets IT190 Foundations in Information Technology Inside the System Unit CPU and RAM Microprocessor Basics Computers can understand only 1s and 0s each 1 or 0 is a bit 8 bits is a byte IT190 Foundations in Information Technology KilobyteKB1024 bytes~1 thousand bytes MegabyteMB1024 kilobytes~1 million bytes GigabyteGB1024 Megabytes~1 billion bytes TerabyteTB1024 gigabytes~1 trillion bytes PetabytePB1024 Terabytes~1 quadrillion bytes ExabyteEB1024 Petabytes~ 1 quintillion bytes ZetabyteZB1024 Exabytes~1 sextillion bytes YottabyteYB1024 Zetabytes~1 septillion bytes RAM vs. ROM What is the difference? IT190 Foundations in Information Technology Memory RAMROM Random Access Memory Volatile SRAM, DRAM, CACHE Chips Read Only Memory Non-Volatile PROM, EPROM, EEPROM Motherboards Graphics Cards IT190 Foundations in Information Technology Memory vs. Storage Whats the difference? IT190 Foundations in Information Technology Memory Memory - RAMStorage Running applications 1+ GB Not saved Dynamic changes fast One silicon piece Stored applications 100+ GB Saved Static slower changes Contains moving parts IT190 Foundations in Information Technology External Connectors There are six primary types of connectors Din USB FireWire DB RJ Audio Plugs, ports, jacks, and connectors Computer plugs Computer jacks Computer ports FireWire, DB Connectors, RJ connectors, audio connectors USB vs. Firewire USB 2.0FireWire 1.5 Mb/s 12 Mb/s 480 Mb/s supported USB controller (host) required Cable up to 5 m Up to 127 devices Hub topology 100 Mb/s 200 Mb/s 400 Mb/s supported Peer to Peer networking no host computer Cable up to 4.5 m Up to 63 devices Daisy Chain topology IT190 Foundations in Information Technology Mini-DIN Connector and USB Basic Computer Parts Keyboard/Mouse Monitor Sound Putting it together Computer 1Computer 2 Intel Pentium Dual Core T4200 (2.0 GHz/800Mhz FSB/1MB cache) 2 GB shared dual channel DDR2 (2 DIMMs) 160 GB SATA Hard Drive (5400RPM) Intel Core 2 Extreme X9000 (2.8 GHz/800MHz FSB/6MB Cache) 8 GB Dual Channel DDR2 SO-DIMM (2 Dimms) 256 GB Solid State Drive IT190 Foundations in Information Technology Soft Skills Active Listening is passively participating in a conversation where you focus on what the customer is saying. Some of the benefits of active listening include: Quicker capturing of data and symptoms. Improves understand of problem. Active listening moves the focus from the technicians problems to the customers problems. IT190 Foundations in Information Technology Questions? IT190 Foundations in Information Technology