Discussion ?s in text book

1.
Carrying flash memory device--
Pros:

• easier to access info
• faster to use

Cons:

• stolen

Carrying private PC--
Pros:

• safer

Cons:

• stolen and unprotected.

2. I think that its better to keep a flash memory wit you. This is because its a lot more private and only you can access it. Unless if stolen.

Review ?s

1- define biometrics:

A method of identifying individuals based on biological properties, where the technology scans a body part to match the information with data previously stored in the system

2- list and explain a use of a biometrics system in each area of impact.

Businesses and governments are impacted by biometrics.They buy them and use for employers and security reasons.

3- explain how one type of biometric system works.

Biometric works from when technolgy scans a body part to match a previously saved data already stored. For example, finger scan, retina scan and vocie recognition

3- who approves/disapproves of the use of biometrics?

Approves: DISNEY! banks, gas stations, law enforcements.

4- explain 3 concerns regarding the use of the biometrics system.

3 concerns: -total lack of privacy!!! -lack of policy standards -not interchangeable

5- explain 3 advantages to using the biometrics system.

3 advantages: -good for security -convenient for customers -accurate to what the employer needs.

6- what is the benefit of using biometrics as shown in the last clip?

article on biometric and review ?s 7-9

Article:
http://edition.cnn.com/2008/BUSINESS/08/06/biometrics.airports/index.html

Review ?s

7. The advantages of nonimpact printers is that they are extremly fast, durable, and reliable. the only disadvantage may be that their ink costs a lot.
8.
9.Difference between sequential-access and random-access is that sequential-access memory can only get memory in the order it was recorded. As for random-access is used in everyday computing. Sequential memory is used for backing up data or other operations that up less time.

article concerning peripheral

http://www.nydailynews.com/topics/Computer+and+Peripheral+Equipment+Manufacturing

Review ?s PAGE 97 #5 and 6

5. What are the advantages of CRT monitors over LCD's?

The advantages of CRT monitors over LCD's are that theyre inexpensive and they produce high-qualityimages at a variety of resolutions.

6.Name at least two hardware devices that use LCDs because using a CRT would be impractical.

Two hardware devices:

-laptops

-projectors

-camcorder

-camera

-cell phones

QWERTY keyboard

http://news.cnet.com/Taking-on-QWERTYs-illogic/2100-1041_3-6005547.html?tag=lia;rcol

2. This guy was sick and tied of the regular keyboards. He wanted to change things around a bit.
3. the stake(YUM!)holders are we the people who will be using it and the inventor, who'll get money.

2. The person responsible is John Parkinson
3. The person accountable is also John Parkinsn

Reading Review ?s 12/23

• List five input devices and three output devices that might be attached to a PC. Describe a typical use for each.

INPUT:

1. Keyboard: used for typing

2. Mouse: used for moving the pointer and clicking different links and files.

3. Joy Stick: a controller used for arcade games

4. Touchpad: a substitute for mouse, used by dragging finger across to move pointer.

5. Smart White board: used to do activities during meetings or classes, similar to a projector.

OUTPUT:

1. Monitor: a one-way window between computer and user.

2. Printer: produces a hard copy to paper.

3. Projectors: projects screen images for meetings and classes.

• Name and describe three special-purpose input devices people commonly use in public places, such as stores, banks, and libraries.

-Bar code Readers: uses light to read codes created from patterns and such.

-RFID: (radio frequency identification tags). these tags broadcast its unique identification number to the reader which digitizes the info for input into a comp.

-Magnetic ink character readers: reads odd-shaped numbers printed with magnetic ink on checks.

• Many people find that the mouse is impractical for use as a pointing device on a laptop computer. Describe at least three alternatives that are more appropriate.

1. touchpad
2. pointing stick
3. trackball