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mod 2 Flashcards

1
Q

To extend the functionality of a computer, we can plug devices into connection points on it. What are these connection points known as?

A

ports

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2
Q

When selecting a power supply for a computer, the following 3 items should be taken into consideration

A

Wall socket input voltage standard for the country where the computer will be used;

The number and power consumption needs of the computer’s internal components;

The motherboard model and form factor engineering specifications and requirements.

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3
Q

Common LCDs include:

A

In-Plane Switching (IPS) displays

Twisted Nematic (TN) displays

VA-Vertical Alignment displays

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4
Q

Common and upcoming OLED displays include:

A

Active Matrix Organic Light Emitting Diode (AMOLED) displays

Inorganic mini-LEDs (mLEDs) displays

Inorganic micro-LEDs (μLEDs) displays

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5
Q

What function does the POST perform in a computer?

A

Figures out what hardware is on the computer and makes sure it is running properly

The POST (Power On Self Test) figures out what hardware is on the computer and makes sure it is running properly before the BIOS initializes the hardware or loads up essential drivers.

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6
Q

What function does the BIOS perform?

A

Initializes hardware and loads up drivers

After running a POST, the BIOS initializes the hardware and loads up essential drivers.

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7
Q

What function does a driver perform on the computer?

A

Teaches the CPU how to run an external device
A driver is a program that contains instructions the CPU needs to understand an external device. Most external devices have drivers.

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8
Q

What function does the BIOS perform?

A

Initializes hardware and loads up drivers
After running a POST, the BIOS initializes the hardware and loads up essential drivers.

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9
Q

Address bus

A

Connects the CPU to the MCC and sends over the location of the data, but not the data itself

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10
Q

ATA

A

The most common interface that hard drives use to connect to our system

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11
Q

ATX (Advanced Technology eXtended)

A

The most common form factor for motherboards

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12
Q

Backward compatible

A

It means older hardware works with newer hardware

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13
Q

Bios (Basic Input Output Services)

A

The BIOS is software that helps initialize the hardware in our computer and gets our operating system up and running

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14
Q

BYOD (Bring Your Own Device)

A

Refers to the practice of allowing people to use their own personal devices for work

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15
Q

Cache

A

The assigned stored location for recently or frequently accessed data; on a mobile app it is where anything that was changed or created with that app is stored

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16
Q

Charge cycle

A

One full charge and discharge of a battery

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17
Q

Chipset

A

It decides how components talk to each other on our machine

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18
Q

Clock cycle

A

When you send a voltage to the clock wire

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19
Q

Clock speed

A

The maximum number of clock cycles that it can handle in a set in a certain time period

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20
Q

Clock wire

A

When you send or receive data, it sends a voltage to that clock wire to let the CPU know it can start doing calculations

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21
Q

CPU

A

Central processing unit

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22
Q

CPU sockets

A

A CPU socket is a series of pins that connect a CPU’s processor to the PC’s motherboard

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23
Q

Data sizes

A

Metrics that refer to data sizes including bit, byte, kilobyte, kibibyte, and megabyte

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24
Q

DDR SDRAM (Double Data Rate SDRAM)

A

A type of RAM that is faster, takes up less power, and has a larger capacity than earlier SDRAM versions

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25
Desktop
The main screen where we can navigate our files, folders, and applications
26
DIMM
Dual Inline Memory Module
27
Display port
Port which also outputs audio and video
28
DRAM
Dynamic Random Access Memory
29
Drivers
The drivers contain the instructions our CPU needs to understand external devices like keyboards, webcams, printers
30
DVI
DVI cables generally just output video
31
Electrostatic discharge
Electrostatic discharge is a sudden and momentary flow of electric current between two electrically charged objects caused by contact, an electrical short or dielectric breakdown
32
External Data Bus (EDB)
It's a row of wires that interconnect the parts of our computer
33
Factory reset
Resetting a device to the settings it came with from the factory
34
Form factor
A mathematical way to compensate for irregularities in the shape of an object by using a ratio between its volume and height
35
Hard drive
It is a long term memory component that holds all of our data, which can include music, pictures, applications
36
Hardware
External or internal devices and equipment that help you perform major functions
37
HDD (Hard disk drive)
Hard disk drives, or HDDs, use a spinning platter and a mechanical arm to read and write information
38
HDMI
A type of cable that outputs both video and audio
39
Heatsink
It is used to dissipate heat from our CPU
40
Instruction set
A list of instructions that our CPU is able to run
41
ITX (Information Technology eXtended)
A form factor for motherboards that is much smaller than ATX boards
42
Land Grid Array (LGA)
It is a type of CPU socket that stick out of the motherboard
43
Lightning adaptor
One of the standard power, data and display connector types used in mobile devices
44
Mb/s
megabit per second, which is a unit of data transfer rate
45
Memory controller chip (MCC)
A bridge between the CPU and the RAM
46
Micro display port
One of the standard power, data and display connector types used in mobile devices
47
Micro HDMI
One of the standard power, data and display connector types used in mobile devices
48
Micro USB
One of the standard power, data and display connector types used in mobile devices
49
Mini HDMI
One of the standard power, data and display connector types used in mobile devices
50
Mini USB
One of the standard power, data and display connector types used in mobile devices
51
Motherboard
The body or circulatory system of the computer that connects all the pieces together
52
Northbridge
interconnects stuff like RAM and video cards
53
NVMe (NVM Express)
interface standard which allows greater throughput of data and increased efficiency
54
Overclocking
it increases the rate of your CPU clock cycles in order to perform more tasks
55
PCI Express
Peripheral Component Interconnect Express
56
Peripherals
the external devices which we connect to our computer that add functionality, like: a mouse, a keyboard, and a monitor
57
Pin Grid Array (PGA)
CPU socket where the pins are located on the processor itself
58
Ports
Connection points that we can connect devices to that extend the functionality of our computer
59
POST (Power On Self Test)
It figures out what hardware is on the computer
60
Power supply
Converts electricity from our wall outlet onto a format that our computer can use
61
Programs
Basic instructions that tell the computer what to do
62
RAM
Random Access Memory
63
Registers
An accessible location for storing the data that our CPU works with
64
Reimaging
The process of reimaging involves wiping and reinstalling an operating system using a disk image which is a copy of an operating system
65
Return merchandise authorization (RMA)
The process of receiving returned merchandise and authorizing a refund
66
ROM chip (Read Only Memory)
A read-only memory chip where the BIOS is stored
67
RPM
Revolutions per minute
68
Safe operating temperature
The temperature range in which rechargeable batteries must be kept in order to avoid demanage
69
SATA
The most popular serial ATA drive, which uses one cable for data transfers
70
SDRAM
It stands for Synchronous DRAM, this type of RAM is synchronized to our systems' clock speed allowing quicker processing of data
71
SOC (System On a Chip)
Packs the CPU, Ram, and sometimes even the storage onto a single chip
72
Southbridge
It maintains our IO or input/output controllers, like hard drives and USB devices that input and output data
73
SSD
Solid State Drive
74
Standoffs
Used to raise and attach your motherboard to the case
75
Thermal paste
A substance used to better connect our CPU and heat sink, so the heat transfers from to the other better
76
Type-C connector
A type of USB connector meant to replace many peripheral connections
77
UEFI
United Extensible Firmware Interface
78
USB (Universal Serial Bus)
A connection standard for connecting peripherals to devices such as computers
79
USB-C adapter
One of the standard power, data and display connector types used in mobile devices

IT Support (2 decks)

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