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CompTIA A+ (220-1101) > Section 2 Obj 3.1 > Flashcards

Section 2 Obj 3.1 Flashcards

1
Q

Bit is…

A

Binary Digit (singular 1 or 0)

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2
Q

Nibble is…

A

Four bits

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3
Q

Byte is…

A

Eight Bits

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4
Q

BPS is…

A

Bits Per Second

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5
Q

b is for…

A

Bits

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6
Q

B is for

A

Bytes

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7
Q

CD/DVD drive does…

A

Read and write information to the system using an optical device

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8
Q

Power Button does what…

A

Sends an electrical signal from button to motherboard through a cable to boot up

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9
Q

Memory Card Reader is…

A

SD Style Slot

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10
Q

Audio Jack

A

input/output for headphones + microphone 1/8th in mini jack

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11
Q

Super Speed Usb Style connectors are…

A

Smaller form of superspeed usb

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12
Q

Cooling Fan does…

A

Blows Hotair out of CPU, Motherboard, and Case

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13
Q

The Three audio jacks on the back of the computer are…

A

Output only style jack

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14
Q

USB stands for…

A

Universal Serial Bus

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15
Q

Serial Cables are…

A

Originally connected to a computer using a DBQ or DB25 connector

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16
Q

DBQ Connector is…

A

D-shaped sub-miniature pin at the back of the computer. SLOW AF

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17
Q

USB Connections allow for how many devices?

A

127

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18
Q

What is a Daisy Chain?

A

Connecting a USB Hub to a computer, connecting another hub to that hub up to 127 ports

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19
Q

Host Controller is…

A

Uses the same amount of bandwidth for all devices in the port

20
Q

USB 1.0 opperates at what speed?

A

1.5Mbps

21
Q

USB 2.) opperates at what speed?

A

480Mbps

22
Q

Gen 1 USB Transfer Rate.

A

5Gbs

23
Q

Gen 2 Transfer Rate…

A

10Gbps

24
Q

Gen 2x2 Transfer rate

A

20Gbps

25
Q

USB 4 is the fastest with a transfer rate of

A

40Gbps

26
Q

Length of USB 1.0 recommendation

A

3 Meters/ 9 Feet

27
Q

USB 1.1 & 2.0 Recommended length…

A

5 Meters/ 15 Feet

28
Q

Usb 3.0 & 4 cable length rec…

A

3m Meters / 9 Feet

29
Q

How many Milliamps are in the standard USB 1-2 port?

A

500 Milliamps/ .5 amps

30
Q

USB 3.0 Amps

A

900 Milliamps / .9 amps

31
Q

PD Stands for….

A

Powered Device Port

32
Q

The Speed of a Powered Device Port is…

A

1500 Milliamps / 1.5 amps or 7.5 Watts

33
Q

This connector allows for USB plug-in from one direction, most commonly used on desktops and laptops.

A

Type A

34
Q

this port is smaller in shape than USB Standard, with rounded edges…

A

Type C

35
Q

Commonly used on printers, with a rectangular rounded top, can only be plugged in one direction

A

Type B

36
Q

HDMI stands for what….

A

High Definition Multimedia Interface

37
Q

Lower Resolution of Video Cables

A

HD Standard

38
Q

HD Standard video cables display at what pixel measurement

A

1080p or 1920p by 1080p

39
Q

High-resolution cables display what measurements

A

4k, 8k, with 60, 120, 144 Hertz

40
Q

HDCP stands for what>

A

HDMI-Digital Content Protection

41
Q

HDCP allows for…

A

Validate the connection between the device and the display

42
Q

Type A Connection port is

A

Full-Size Connector

43
Q

Type C connection port is…

A

mini connector

44
Q

Type D connection port…

A

Micro connector

45
Q

Display Port Interface is…

A

HDMI competitor, same capabilities.

CompTIA A+ (220-1101) (2 decks)

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