hardware components Flashcards

(49 cards)

1
Q

Contains and protects the motherboard, hard disk drive, memory, and other hardware components

A

System unit or chassis (case)

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2
Q

Multiuse port for connecting devices like keyboards, mice, printers and external storage for data transfer and charging

A

USB (universal serial bus)

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3
Q

Ports used for connecting internal and external storage devices, allowing data storage and retrieval

A

Storage/ disk | ex: SATA or M.2

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4
Q

Ports for connecting to networks, enabling internet access and data exchange between devices

A

Network /communications | ex: Ethernet or WiFi

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5
Q

Connector and optical ports used for ____ input and output, connecting headphones, speakers, and mic

A

Audio

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6
Q

Ports for transmitting ____ signals to displays such as monitor and projectors

A

Video | ex: HDMI, DisplayPort, VGA

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7
Q

Connectors used for supplying electricity to devices and charging batteries

A

Power | ex: AC power socket or DC power jacks

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8
Q

Main circuit board of the computer

A

Motherboard or system board

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9
Q

Many electronic components like processor and memory are attached to this, others are built into it

A

Motherboard

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10
Q

Brain of the computer, usually a silicon chip

A

Central processing unit (cpu)

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11
Q

What covers the cpu socket

A

Heatsink - to absorb heat from the cpu
Fan - to cool/dissipitate heat

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12
Q

controls communication between CPU, memory, storage and other peripherals (keyboard, mouse, monitor)

A

chipset

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13
Q

determines how many high speed components or devices the motherboard can support

A

chipset

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14
Q

Temporarily stores data whenever the computer performs operations

A

random accessed memory (RAM), or main memory

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15
Q

contents of memory ____ when computer is turned off

A

disappears

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16
Q

long term storage that holds data even when computer is turned off

A

hard disk drive (HDD), most computers now uses solid state drive (SSD)

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17
Q

converts electricity from the outlet (AC) to a type of power (DC) that the computer can use

A

power supply or laptop AC adapter

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18
Q

different motherboards and computers require _____ wattages on the power supply

A

different

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19
Q

In desktop computers, power supply has built in ____

A

fans, to keep power supply cool

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20
Q

Why do motherboards have expansion slots and adapter cards?

A

Although most motherboards have built in video sound and network, User might want to improve the performance and quality of a comp.

21
Q

input or output pathway that connect the CPU vis expansion slots, to the peripheral devices

A

peripheral component interconnect PCI

22
Q

computer bus interface used to connect drive disk controllers or host bus adapters with mass storage devices like optical drives and HDD

A

Serial Advance Technology Attachment (SATA)

23
Q

responsible for keeping all info intact when the entire system is shutdown

A

Complementary metal oxide semiconductor (CMOS) battery

24
Q

This prevents reconfiguration when the PC is powered off

A

Complementary metal oxide semiconductor (CMOS) battery

25
interprets and carries out basic instructions that operate a computer
processor
26
On large computer systems like mainframes and supercomputers, the various functions performed by the processor extend over ______
many separate chips and multiple circuit boards
27
On a personal computer system, all functions of the processor usually are on ______
single chip called microprocessor
28
contains the circuitry necessary to execute instructions
core
29
how does the OS view each processor core
it views them as a separate processor
30
single chip with two or more processor cores
multicore processor
31
cpu has how many units
2 main unit: control unit, arithmetic logic unit
32
component of the processor that directs and coordinates most of the operations in the computer
control unit | ex: sending instruction to printer
33
component of the processor that interprets each instructions issued by a program and then initiates the appropriate action to cary out the instructions
control unit
34
component of the processor that performs arithmetic and logic operations
arithmetic logic unit
35
arithmetic = ? logic = ?
+, -, /, * >, < or =
36
for every instruction, a processor ___ a set of four basic operations
repeats, Machine Cycle
37
Machine cycle steps
fetching decoding executing storing
38
in machine cycle: process of obtaining a program instruction or data item from memory
fetching
39
in machine cycle: refers to the process of translating the instruction into signals the computer can execute
decoding
40
in machine cycle: process of carrying out commands
executing
41
in machine cycle: writing the results back to memory
storing
42
a processor contains small, high speed storage called ____ that temporarily holds data
registers | temporary storage is for immediate instructions
43
processor relies on small quarts crystal circuit called ____ to control the timing of all computer operations
system clock | ex: shooting game, if u click the mouse to shoot, the timing of when user clicks and the bullet comes out should be at the same time
44
system clock generates regular ______ or ______ that set the operating pace of components of the system unit.
electronic pulses or ticks
45
each tick =
one clock cycle
46
processors today are ____, meaning they can execute more than one instruction per clock cycle
superscalar
47
The pace of the system clock is called ____ and is measured by the ____
clock speed, number of ticks per second
48
current processors can reach clock speeds in ______ range
gigahertz (billion if cycles per second)
49
the faster the clock speed..
more instructions the processor can execute per second