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CompTia A+ Certification > Laptop Hardware > Flashcards

Laptop Hardware Flashcards

1
Q

What type of memory does a laptop use?

A

SO-DIMM (Small outline dual in-line memory mode)

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2
Q

What is the form factor for Laptop storage?

A

2.5 in form factors (3.5 inches for desktops)

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3
Q

What does SSD stand for

A

Solid State Drive

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4
Q

M.2 Drive

A

Smaller form factor, speed driven no SATA involved

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5
Q

What is Twisted Nematic?

A

Twisted Nematic - The original, great for gaming, Poor viewing angles

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6
Q

What is In-Plane Switching?

A

In Plane Switching - Excellent color representation, More expensive to produce then TN

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7
Q

What is Vertical Alignment?

A

A good compromise between TN and IPS, Good color representation, Slower response times then TN LCD Display

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8
Q

What is LCD Tech?

A

Liquid Crystal Display - Light shines through liquid crystals
Advantages: Lightweight, Relatively low power consumption,
Relatively inexpensive
Disadvantages: Black levels are a challenge, Requires separate black light

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9
Q

OLED

A

Organic Light Emitting Diode - Organic compound emits light when receiving an electric current
Tablets, phones and smart watches - Higher cost than LCD

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10
Q

RJ11 connector

A

Telephone or DSL connection

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11
Q

RJ45 connector

A

Modular connector for Ethernet

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12
Q

Fiber connections

A

LC - Local Connector
ST - Straight Tip Connector
SC - Subscriber Connector - Square connector

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13
Q

What is Memory?

A

Random Access Memory (RAM) is the most common
RAM is not referring to the hard drive or SSD storage
Data is stored permanently

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14
Q

SDRAM - Synchronous DRAM (SDRAM)

A

Double Data Rate 3 (DDR3) SDRAM
Double Data Rate 4 (DDR4) SDRAM
Double Data Rate 5 (DDR5) SDRAM

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15
Q

RAID 0

A

Striping
File blocks are split between two or more physical drives
Raid 0 is zero redundancy

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16
Q

RAID 1

A

Mirroring
File blocks are duplicated between two or more physical drives
Required disk space is doubled
High redundancy

17
Q

RAID 5

A

Striping with parity
File blocks are striped
Along with a parity block
Requires at least 3 disks
High redundancy

18
Q

RAID 10 (1+0)

A

A stripe of mirrors
The speed of striping, with the redundancy of mirroring
Need at least 4 drives

19
Q

BIOS

A

Basic Input/Output System - The software used to start your computer

20
Q

POST

A

Power-On-Self-Test
Look for a boot loader - Start the operating system

21
Q

UEFI BIOS

A

Unified Extensible Firmware Interface - Graphical and text-based

22
Q

Virtualization

A

Run other operating systems within a single hardware platform

23
Q

Case Fan Specifications

A

Standard sizes - 80 mm, 120 mm, 200 mm

24
Q

How do you reset a boot password?

A

Reset password with a Jumper

25
Q

What is TDP and what units is it measured in?

A

Thermal Design Power // Watts

CompTia A+ Certification (4 decks)

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