Capter 9/Understanding Laptops

Question 1

the display in laptop is

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Answer 1

LCD, LED, OLED and Plasma

Question 2

laptop case made of plastic

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Answer 2

ABS plastic

Question 3

laptop Mother board differences from desktop

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Answer 3

lack of standards

Question 4

daughterboard

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Answer 4

small circuit board that is connected to the motherboard and save components like video

Question 5

laptop processors are streamlined connected to motherboard

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Answer 5

processor’s upgrading are not possible because the CPU’s are ether soldered to the motherboard or attached using Micro-FCBGA.

Question 6

two ways to combat the heat of CPU are

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Answer 6

lower the voltage and clock speed

Question 7

PCMCIA card or PC card

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Answer 7

Short for Personal Computer Memory Card International Association
we use expansion cards in desktop computers and we use PCMCIA card as an expansion card for a laptop.

Question 8

Three types of PC cards

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Answer 8

Type I card are 3.3 mm for memory

Type II card are 5mm for LAN and modem

Type III card are 10.5mm for hard disks

Question 9

Express card/34 and Express card /54

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Answer 9

Express Card is a new standard replacing the PC Card
supports USB 2.0 and up
hot-swappable

Question 10

MINI PCI and MINI PCIe

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Answer 10

Mini PCI was added to PCI version 2.2 for use in laptops; it uses a 32-bit, 33 MHz bus with 3.3 power connection support for bus mastering and DMA
3 type of Mine PCI

Question 11

SODIMM

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Answer 11

SO-DIMM, which is short for Small Outline DIMM, is available in both a 72-pin and 144-pin configuration.

Question 12

USB port

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Answer 12

flash card can hold 32GB of DATA

Question 13

Mouse/ Keyboard port

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Answer 13

USB port or PS/2

Question 14

communication port

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Answer 14

laptop come with a 802.11 wireless card or Bluetooth, Ethernet or other devices that can be add throw USB or PC card connection.

Question 15

what is a Docking stations

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Answer 15

Alternatively referred to as a universal port replicator, a docking station is a hardware device that allows portable computers to connect with other devices with little or no effort. Docking stations enable users with a laptop computer to convert it into a desktop computer when at the office or at home.
For example, a user could use their laptop on the road, and then back at the office they could connect the laptop to the docking station to use their monitor, speakers, and office printer

Question 16

Power systems

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Answer 16

laptop can use batteries or Adapter power from AC or DC

DC is used for the laptop components, but the backup light is powered with an AC Power

Question 17

Batteries

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Answer 17

different kind of batteries Nickel cadmium ( NiCd) , Lithium ion, and other

Question 18

Power Adapter

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Answer 18

we can use the AC power for laptop after we convert it into DC with a power adapter

Question 19

video card

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Answer 19

They are only Digital

Question 20

backlight in the LCD display

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Answer 20

cold cathode fluorescent lamp

Question 21

Inverter

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Answer 21

A power inverter, or inverter, is a circuit that changes direct current (DC) to alternating current (AC) for the backlight to use, we find them in LSD because LED does not use a fluorescent lamp as a backlight. that is way the modern computer are trying to go with LED

Question 22

Screen

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Answer 22

LSD, LED , OLED and Plasma

Question 23

WiFi antenna

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Answer 23

today laptop has a built in WiFi which is 802.11 with out using an expansion card. the old laptop used

Question 24

Cable locks

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Answer 24

protection for the computer it is similar to a bike lock

Question 25

Replacing laptop Components

we need to check the computer documentation before any replacement

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Answer 25

laptop are not line desktop, we can not replace a lot of components on a laptop like we do for a desktop.
the number of components that can be replaced are not the same from computer to another on.
we an list some components:
keyboard, touchpad, processor, memory, expansion cards, hard drive, speaker, batteries and others

before starting any replacement we need to
turn off the computer
disconnect the computer and any peripherals from there power sources, and remove any installed battery

Question 26

Replacing Hard drive

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Answer 26

External storage devices like
SD memory card for gigabyte
external hard drive with a terabyte storage

Question 27

Replacing memory

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Answer 27

SODIMM or MicroDIMM

Question 28

Upgrading wireless network cards

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Answer 28

most network card are built in the motherboard chipset of laptop, so if that card fails or we want to upgrade, we can use one of the external portable network cards like USB memory card, PC network card.
if I have a built in network card 802.11b and I want to up grade I can replace it with a network external card 802.11g or 802.11n, Window should disable the old device automatically to avoid conflict or we can do it manually using Device Manager.

Question 29

upgrading video card

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Answer 29

if it is a built in card we can not replace it.

Question 30

Replacing LCD components

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Answer 30

we can replace many LCD components  
screen, backlight, inverter.
when doing that we need to be carful for two things
1 the video circuitry 
2 the network antenna wires