Lecture 18 Ch 17

Question 0

What is the wrong way to select a computer system

Answer 0

• buying a system based only on price
• being influenced by sales hype
• purchasing a system without prior knowledge

Question 1

What is the right way to select a computer system

Answer 1

• knowing computer terminology
• understanding the relative value of system components
• determining software needs and the system required to fulfill those needs

Question 2

Notebooks?

Answer 2

• rival the power of a desktop machine, yet more expensive

- portability and size are main advantages

Question 3

Net books?

Answer 3

• lighter and smaller than a notebook

- longer battery life

Question 4

Desktop?

Answer 4

• Not as portable, but have more processing speed and RAM

- can have larger internal drive

Question 5

What are the two main computer system platforms?

Answer 5

Windows (PC) and Mac

-users are loyal

Question 6

Differences between Macs and PCs (software)

Answer 6

Software
-more software is developed for PCs- more popular
~although popular packages, such as Microsoft Office, available for both

Question 7

Differences between Macs and PCs (VM)

Answer 7

Virtual Machine (VM) software allows Macs to run Windows software

Question 8

Differences between Macs and PCs (Use)

Answer 8

• PCs: Business and engineering areas

- Macs: Artistic areas

Question 9

Difference between Macs and PCs (cost)

Answer 9

Macs usually cost more

Question 10

Microprocessor

Answer 10

Brand
Model
Clock speed
Number of cores
Power consumption

Question 11

RAM

Answer 11

• Allows CPU to process more instructions

- Supports more applications running simultaneously

Question 12

Secondary cache

Answer 12

-Provides an additional location for memory storage
~L2 and L3 cache
-Quickly accessed
-Allows systems to work faster

Question 13

Hard drive storage

Answer 13

• Relatively inexpensive

- Purchase as much as possible

Question 14

Drivers

Answer 14

-Decide on internal or external
-Should meet your needs
~CD, DVD, Blu-ray
-Flash drives-an excellent supplement

Question 15

Video card

Answer 15

Controls the quality and resolution of the display

Question 16

Monitors display standards

Answer 16

SXGA, WXGA, WSXGA, WUXGA

Question 17

Monitors interface

Answer 17

AGP, PCI Express, PCI Express Base 2.1

Question 18

Dot pitch

Answer 18

The smaller the dot pitch, the better the display

Question 19

What should you consider when upgrading your computer

Answer 19

• it will be in violation of the computer’s warranty
• you have the knowledge and skill level to perform the upgrade
• upgrading or buying a new computer may be the most cost effective option

Question 20

Adding an expansion board

Answer 20

• identifying correct type of expansion slot

- press new board into place and screw in place

Question 21

Upgrading memory

Answer 21

• purchase the type and amount of memory needed
• round yourself against static electricity
• install memory

Question 22

Caring for computer

Answer 22

• surge protection
• purchase a UPS
• never plug a computer into the same outlet as a fridge
• allow sufficient air circulation
• turn the computer off before connecting or disconnecting cables
• do not stretch or mash cables
• clean a computer and printer with a damp, soft, lint-free cloth

Question 23

Advice

Answer 23

• Do research before buying a computer system and results in an informed purchase
• Research your purchase-read newspapers and magazines and Search the Web
• The more sources used-the easier it will be to make an informed decision