Friday, September 8th

Cindy and Imanol will present their news articles
Other news of interest?

Binary Quiz - bonus question: what is the decimal value of 156 base ____

Discussion of L1 & L2 Cache Questions - where else do you find cache?

What is wrong with this sentence? "The cache was developed in order to speed up the computer's memory and also lower the expense."

Complete health issues and ergonomics related to the use of hardware - who is responsible? Benefits?
What about a career in UI/UX? But how much do they make? - search for salary of ux designer.

What are some of the physical problems that older adults have that can affect their use of computers?

Accessibility Wizard and Options - how to setup a computer for your grandpa

Complete Anatomy of a Hard Drive - Complete question 1 from the Comparing Parallel ATA with Serial ATA section question #1 Obtain a SATA drive and cable and a PATA cable. Compare the two drives and the two cables. Once you have completed this question post your answers to School Loop.

Get Perpendicular

Discussion of different methods of data transport - shared bus, parallel vs serial.

Digitizing the Real World - Converting Analog input into Digital Data
Begin Chapter 3 - Hardware Basics (blue book) - Output Devices

Homework

Read pages 101-118 blue book.

Complete the On-line Study Guide for Chapter 2 . Email the results to cdodge@seq.org before class on Monday.
Define the following terms — data, information, hardware components, for example, input devices, output devices, RMD, processing, storage, memory (RAM, ROM, volatile, nonvolatile), MHz, dpi, bit, KB, MB, GB, TB, ASCII, compatibility, OCR, OMR, bar code, baud, verification and validation, encryption/decryption, firewall, virus, Trojan horse, worm, logic bomb, platform, peripheral, operating systems (multitasking, boot) and utilities, for example, defragment, disk format, virus scan programs

KB, MB, GHz, and All of That Stuff - clear explanation of these terms.

What

3.1 Hardware page 26
Central processing unit (CPU), microprocessor, clock speed: for example, megahertz (MHz), gigahertz
(GHz), terahertz (THz)
• Primary storage: read-only memory (ROM), random-access memory (RAM)
• Secondary storage: optical, magnetic, flash memory: for example, USB (universal serial bus) flash drive
• Bit, byte, kilobyte (KB), megabyte (MB), gigabyte (GB), terabyte (TB), petabyte (PB), exabyte (EB),
zettabyte (ZB), yottabyte (YB)
• Character encoding: ASCII (Unicode and American Standard Code for Information Interchange)

Page 26
Possible scenario - A computer user is planning to upgrade their current computer system to a newer model and must use their knowledge to: • understand the specifications of the proposed new system • evaluate other physical considerations that may influence the choice of the physical environment of the proposed new system, such as ergonomics and other health-related issues • suggest upgrades to the computer system to take advantage of improvements in components, such as processing speed • describe how the proper disposal of the old computer system can take place and whether the choice of computer may be affected by the manufacturer’s policies on disposal.

Why

Understanding how information flows in a computer system allows one to make connections with larger systems and the flow of information.

How

Completion of the Black Box lab and the corresponding quiz to identify the components of a computer.