IST 210 Midterm Study Guide

IST 210 Midterm Study Guide - I Introduction PC...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
I. Introduction – PC Architecture (Chapters 1,3,7) a. Chapter 1 (pp 1-8): Goals i. IT Professional / Tech ii. CompTIA A+ Certification (Computing Technology Industry Association) 1. Also Network+ and Security+ certs iii. Exams 220-701 Essentials, 220-702 Practical Applications iv. Practical, not much theory, difficult, subtle v. Window OS (2000, XP, Vista), no Linux or Apple OS, no Windows 7 b. Chapter 3 (pp 38-42, 59-69) PC Architecture i. Hardware / Software / Firmware ii. Input, Processing, Output, Storage iii. System Unit and Peripherals 1. Case – metal cage for EMI reduction (in and out), shielding, RFID example 2. CPU a. General purpose processing in a PC b. Heat sink and cooling fan 60 to 100 Watts c. Intel and AMD, also PPC and special purpose by others d. PGA, LGA, BGA package to socket e. CMOS ESD, glue is TTL or similar 3. RAM a. Storage of OS, applications, and data when in use. b. Fast, volatile, R/W, main memory DRAM, others SRAM c. Bytes times 2^x i. Byte = 8 bits d. Sticks, SIMM, DIMM e. CMOS, ESD
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4. Motherboard a. Circuit board providing mechanical mounting and electrical connections, MIB, PCB b. Traces and vias, shielding, length c. Sockets and connectors i. Bus connectors for expansion cards (PCIe) 5. Power Supply a. AC in, DC out specific to the PC (+5, +3.3, +/-24) b. Power rating for specific PC c. Cooling fan d. Power Out less than Power In 6. Hard Drive a. Non-volatile, magnetic storage, 1 or more b. Slow, large capacity c. PATA (IDE, EIDE), SATA, SCSI 7. Optical Drive a. CD (700 MB), DVD (4 GB), Blu-ray (25 GB) b. Removable 8. Floppy Drive iv. Chapter Review Questions c. Chapter 7 (pp 255 – 284): BIOS, CMOS, and Boot i. CPU – Northbridge, Southbridge (chipset)
Background image of page 2
ii. iii. Address and Data Buses provide hardware connections for devices (functions) iv. BIOS 1. Code (programming) support for CPU to talk to devices (every single one) a. Phoenix and American Megatrends Inc. (AMI) 2. Many small programs (called system BIOS), firmware - 65,536 bytes a. Standard device interfaces b. Made for the particular PC (supported devices) 3. Stored in a ROM or FLASH (cannot talk to disk at first) a. Non-volatile b. Read Only, except FLASH c. System ROM stores system BIOS 4. CMOS memory stores dynamic (reconfigurable) parameters used by BIOS (now may be part of Southbridge) a. Does not store programs, just data b. CMOS setup program / system setup utility at power on time, this program stored on System ROM c. Careful, don’t make changes unless you are sure d. CMOS use battery to maintain data (CMOS battery), but should be FLASH now
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
i. Battery may only be used now for RTC (real time clock) ii. Soft 5 volts, power available when turned off, but plugged in (note page 282, ESD) iii. Bad date = bad battery iv. Clear CMOS jumper v. System BIOS alternatives 1. Option ROM a. Device BIOS built into device, used by all video cards 2. Device Drivers a. File on hard drive with access program b. Part of OS memory, uses OS instructions c.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 17

IST 210 Midterm Study Guide - I Introduction PC...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online