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Chapter 3 Flashcards

1
Q

What does BIOS stand for?

A

Basic Input/Output System

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2
Q

What is the purpose of POST?

A

To perform a hardware check on the main components of the computer

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3
Q

What does CMOS stand for?

A

Complementary Metal Oxide Semiconductor

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4
Q

What happens if the CMOS battery fails?

A

Important settings can be lost

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5
Q

What is UEFI?

A

Unified Extensible Firmware Interface

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6
Q

True or False: UEFI can run on 32-bit and 64-bit systems.

A

True

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7
Q

What is the function of Secure Boot?

A

Ensures the computer boots to a specified operating system

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8
Q

What are the four basic units of electricity that a technician must know?

A
  • Voltage (V)
  • Current (I)
  • Resistance (R)
  • Power (P)
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9
Q

Fill in the blank: The measure of work required to move a charge from one location to another is called _______.

A

Voltage

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10
Q

What does Ohm’s Law express?

A

V = IR

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11
Q

What is a blackout?

A

Complete loss of AC power

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12
Q

What device helps protect against power surges?

A

Surge protector

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13
Q

What is a UPS?

A

Uninterruptible Power Supply

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14
Q

Describe RISC architecture.

A

Uses a relatively small set of instructions designed to execute rapidly

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15
Q

What is Hyper-Threading?

A

A technology that allows multiple threads to be executed simultaneously in the CPU

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16
Q

What is overclocking?

A

Making a processor work at a faster speed than its original specification

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17
Q

What is CPU throttling?

A

Running the processor at less than the rated speed to conserve power or produce less heat

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18
Q

What is the purpose of a heat sink?

A

To draw heat away from the CPU and dissipate it into the surrounding air

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19
Q

What is RAID?

A

Redundant Array of Independent Disks

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20
Q

What does striping in RAID do?

A

Distributes data across multiple drives for performance increase

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21
Q

What is the function of parity in RAID?

A

Provides basic error checking and fault tolerance

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22
Q

What is the difference between integrated and dedicated GPUs?

A

Integrated GPUs are embedded on the CPU; dedicated GPUs are separate chips with their own memory

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23
Q

What is the function of a case fan?

A

To increase airflow in the computer case and remove heat

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24
Q

What is the main function of USB Type-A connectors?

A

Commonly found on desktop and laptop computers, TVs, and game consoles

25
Fill in the blank: The measure of the amount of electrons moving through a circuit per second is called _______.
Current
26
What does the voltage selector switch on a power supply do?
Sets the input voltage to either 110V/115V or 220V/230V
27
True or False: A brownout is a complete loss of AC power.
False
28
What is the function of a thermal compound in CPU cooling?
To increase the efficiency of heat transfer between the heat sink and the CPU
29
What is double parity in RAID?
Provides fault tolerance for up to two failed drives
30
What are the different USB standards mentioned?
USB 1.0, USB 2.0, USB 3.0, USB 3.2 ## Footnote These standards represent the evolution of USB technology over the years.
31
What is a USB Type-A connector?
The typical rectangular connector found on almost all desktop and laptop computers, TVs, game consoles, and media players.
32
What is a Mini-USB connector?
A rectangular connector with a small indention on each side that is being replaced with the micro-USB connector.
33
What distinguishes a Micro-USB connector?
It has two corners pushed in at an angle and is common on smartphones and tablets.
34
Describe the USB Type-B connector.
This connector has a square shape with beveled exterior corners and an extra notch at the top.
35
What is the purpose of a USB Type-C connector?
It is a multipurpose cable used to attach different kinds of peripheral devices to a PC.
36
What is the Lightning connector used for?
A small proprietary 8-pin connector used by Apple mobile devices for both power and data.
37
What does a SATA cable connect?
One end plugs into a SATA port on a motherboard and the other end into the back of an internal storage device.
38
What is the function of eSATA?
Used to connect external SATA drives.
39
What is Unshielded Twisted Pair (UTP) cabling?
The most common form of twisted pair cabling using color-coded insulated copper wires.
40
What does RJ-45 stand for?
A connector used to terminate each end of a UTP cable for plugging into an Ethernet port.
41
What is the main construction feature of coaxial cable?
It has an inner center conductor surrounded by insulating material and a foil shield.
42
What is RG-6 used for?
A heavy gauge cable for high-bandwidth, high-frequency applications like Internet and Cable TV.
43
What does SCSI stand for?
Small Computer Systems Interface.
44
What is the purpose of a monitor's native resolution?
It identifies the best monitor resolution for the specific monitor.
45
What is the definition of pixel?
A tiny dot capable of displaying red, green, and blue.
46
What is the significance of refresh rate in monitors?
It is the amount of seconds for your monitor to redraw the screen, measured in Hertz (Hz).
47
Fill in the blank: VGA stands for _______.
Video Graphics Array
48
What is Full High Definition (FHD) resolution?
1920 x 1080 resolution, also known as 1080p.
49
What happens when you add multiple monitors to a setup?
It increases your visual desktop area and improves productivity.
50
What is a common reason for upgrading a motherboard?
User requirements change.
51
What is the purpose of applying thermal compound when upgrading a CPU?
To ensure proper heat transfer between the CPU and the heat sink.
52
What should you do before removing an old motherboard?
Record how the power supply, case fans, and case buttons attach to it.
53
What is a Safety Data Sheet (SDS)?
A fact sheet summarizing information about material identification, including hazardous ingredients.
54
What is the purpose of a surge protector?
To protect devices from voltage spikes.
55
What does 'blackout' refer to in electrical terms?
A complete loss of power.
56
True or False: HDMI is an older standard for connecting monitors.
False
57
What does 'interlaced' mean in terms of monitor display?
Creates an image by scanning the screen two times (odd lines then even lines).
58
Fill in the blank: The term _______ refers to how white and how black a monitor can get.
Contrast ratio
59
What is the purpose of a power supply upgrade?
To accommodate the increased power needs of upgraded hardware.

FIT (2 decks)

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