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PC Components > PC Components > Flashcards

PC Components Flashcards

1
Q

CPU stands for

A

Central Processing Unit

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2
Q

Pin Grid Array means

A

Pins are on the CPU

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3
Q

Lan Grid Array means

A

Pins are on the socket of the CPU

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4
Q

What are the two types of CPUs

A

Pin Grid and Land Grid

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5
Q

What is meant by CPU socket

A

It is the socket that the CPU sits in

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6
Q

What is ZIF stands for

A

Zero Insertion Force

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7
Q

Zero Insertion Force means

A

The CPU is inserted with very little force

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8
Q

CPU Manufacturers are

A

Intel and AND

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9
Q

What is meant by CPU clock speed

A

The speed at which the CPU process information

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10
Q

What is meant by overclocking

A

To increase the speed that CPU process information

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11
Q

What is CPU cache

A

CPU cache is a small amount of temporary memory of frequently access information that is saved in the CPU. this makes it easier for CPU to access the information again in the future.

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12
Q

what is cache

A

Small block of frequent access information

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13
Q

Why CPU retrieve program files from RAM and not Hard Drive

A

Hard Drive has too much information saved on it which makes it difficult for CPU to retrieve data fast.

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14
Q

Information waiting to be processed is loaded onto what

A

Information waiting to be processed is loaded onto RAM

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15
Q

CPU is covered by what

A

CPU is covered by paste, Heatsink and Fan

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16
Q

RAM stands for

A

Random Access Memory

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17
Q

What is another name for RAM

A

RAM is also known as system memory

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18
Q

How adding more RAM to computer increase speed

A

More programs will be able to load onto RAM form hard Drive

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19
Q

Why is RAM called system memory

A

It stores data for the CPU which is the main system

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20
Q

Other names for Random Access Memory

A

System Memory, Main Memory and Primary Memory

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21
Q

what is the purpose of RAM

A

Holds program codes waiting to be process

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22
Q

What is meant by volatile memory

A

Memory that is erased once computer is turned off

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23
Q

Which memory is volatile

A

RAM is Volatile memory

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24
Q

How is RAM packaged

A

Packaged as dual in-line memory module slots

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25
Q

Why is RAM located closer to CPU

A

Data signals are able to travel faster from RAM to CPU . The shorter the distance, the faster data signal can get to its destination.

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26
Q

DIMM slots stands for

A

Dual in-line Memory Module

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27
Q

Purpose of DIMM slots on motherboard

A

Holds RAM packages

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28
Q

Number of DIMM slots determines what

A

Determines the amount of temporary memory that RAM can hold for processing

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29
Q

What is another name for memory module

A

Memory module is the RAM stick

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30
Q

On a memory module can the RAM chip be on both sides

A

Yes, the RAM chip can be on both sides of the RAM chip.

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31
Q

Type of Read Only Memories

A

ROM, PROM, EPROM and EEPROM

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32
Q

ROM stands for

A

Read Only Memory

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33
Q

PROM stands for

A

Read Only Memory Programable

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34
Q

EPROM stands for

A

Read Only Memory Programable Erasable

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35
Q

EEPROM stands for

A

Read Only Memory Programable, Erasable with Electrical light

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36
Q

What is NVRAM stands for

A

Non Volatile RAM

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37
Q

Purpose of NVRAM

A

Stores small amount of booting memory for quicker access when computer starts

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38
Q

Current Motherboard configuration is stored where

A

Motherboard configuration is stored in Non-Volatile RAM

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39
Q

What type of memory does none volatile RAM uses

A

Non volitile RAM uses Flash Memory.

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40
Q

Flash memory is also known as

A

Flash storage

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41
Q

Dose Flash Memory retains power

A

Yes Flash Memory retains power when computer is turned off

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42
Q

Does flash memory require battery back-up

A

No flash memory does not require battery back-up

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43
Q

CMOS stands for

A

Complementary Metal Ovide Semiconductor

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44
Q

Purpose of CMOS now

A

Keeps track of Time Clock

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45
Q

How does CMOS maintain power when computer is off

A

Maintain power via a small battery. CMOS requires very little power

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46
Q

CMOS battery last

A

5 to 10 years

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47
Q

RTC stands for

A

Real Time Clock

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48
Q

Most of the function of CMOS is now being done by

A

Non-Volatile memory

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49
Q

Purpose of browser cache memory

A

Saves recent browser searches for quicker access in the future

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50
Q

Where is L1 cache located

A

L1 cache is the CPU cache. It is located directly in the microprcessor (CPU)

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51
Q

Purpose of L1 cache

A

Stores the microprocessor’s (CPU) recently access information

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52
Q

What allows CPU to retrieve recently access information

A

L1 cache

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53
Q

What is DRAM stands for

A

Type of RAM. It stands for Dynamic Random Access Memory

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54
Q

What are the two types of RAM

A

Dynamic RAM and Static RAM

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55
Q

RAM consists of addresses that does what?

A

tells the CPU where to look

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56
Q

RaM chips are stored where

A

On Modules on the RAM stick

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57
Q

The module that RAM chips are stored on is called

A

DIMM

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58
Q

DIMM stands for

A

Dual inline memory module

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59
Q

Why is DIM called dual inline memory module

A

The module has two independent rows of pins

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60
Q

what are the possible number of pins on a module

A

168, 184, 240 and 288

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61
Q

The memory slot of the motherboard is?

A

DIMM

62
Q

Why computer will slow down if not enough storage space on RAM?

A

Only partial program codes will be able to load onto RAM. As the CPU needs the rest of the program code, RAM would go back to Hard Drive to retrieve it. This will slow the process down

63
Q

What happens to the data in RAM once the computer is shut down?

A

Data is erased

64
Q

What are the types of RAMs

A

DRAM, SDRAM, DDR, DDR2, DDR3 and DDR4 RAM

65
Q

Which RAM can transfer the most data to the CPU

A

DDR4 RAM can transfer the most data to the CPU

66
Q

Which RAM is the slowest

A

DDR

67
Q

What is meant by bandwidth

A

Bandwidth is the maximum rate of data that is transfered across a given path . EX: Amount of data from DDR to CPU

68
Q

Which DDR RAM uses less power

A

DDR4

69
Q

DDR 2 and 3 have how many pins

A

DDR 2 and 3 have 240 pins

70
Q

Are the DDR RAMs interchangeable

A

DDR slots are not interchangeable. EX: DDR2 will not fit in DDR4 slots.

71
Q

How many pins are on DDR4

A

DDR4 has 288 pins

72
Q

What makes DDR faster

A

DDR is able to deliver double the amount of data per-clock cycle. Data is delivered at the begining of clock cycle and at the end of the clock cycle

73
Q

What is the purpose of soft power

A

Soft power prevents a user from turning off the computer before the operating system has shut down. It allows the PC to use power saving modes that puts the system to sleep and back on

74
Q

What is a bus

A

Buses are wires that carry data signals to various components. It is a communication pathway that allows data to travel.

75
Q

Traces are

A

buses on the motherboard are called Traces

76
Q

How does the computer know where to send data signals

A

The computer uses various type of buses to control where the data goes

77
Q

What are the various types of buses that the computer use to control where data signals go.

A

The system bus is divided into datat bus, address bus, and control bus

78
Q

Which bus does the computer use to carry data signal to a particular component

A

The Data bus is use to carry digital signals to a particular component

79
Q

can the Data bus signal travel with less bits that it is designed for

A

The Data bus signal will not travel to its destination if the bits that it is designed to carry are less

80
Q

Which bus directs the data the its specific destination

A

The address bus allows the data to be delivered to the proper destination

81
Q

What is the function of the control bus

A

The control bus determines when data is sent and when it is completed

82
Q

what are the two ways that data can be transferred

A

The two ways that a digital signal (bits) can travel are serial transmission and Parellel transmission

83
Q

What is serial transmission

A

Serial transmission is when data is sent using one channel (one wire), each bit follows the other to its destination. EX: - - - - -

84
Q

What is Parallel transmission

A

Parallel transmission is when multiple channels (more than one wire) are used to send data.
EX: - - - -
- - - -

85
Q

Which way is the best way for digital signals to travel in long distances, Parallel or serial

A

Serial transmission is best if signal has to travel long distance.

86
Q

Bus that connects internal components together are called

A

Local bus

87
Q

Bus that allows additional components to be connected to the computer is call

A

Expansion. Anything located outside the case is connected via an expansion bus. EX: peripheral devices

88
Q

How can we extend the range and function of a computer, by using which bus

A

Expansion bus. Allows us to install various cards/ports for connecting external devices)

89
Q

Expansion bus is connected to external devices via:

A

Expansion Slots

90
Q

Expansion slots that allows internal or external expansion

A

USB, PCIe,

91
Q

How to add expansion cards to slim line PC that do not have enough space for full height expansion cards

A

Add Riser card at right angles to the main board

92
Q

USB stands for

A

Universal Serial Bus

93
Q

PCIe stands for

A

Peripheral Component interconnect Express

94
Q

What is PCIe Lanes

A

PCIe lanes serve as the information highwaythrough which bits of data are transferred from the PCIe device connected on the motherboard to the CPU for processing.

95
Q

Does device connected to a PCIe slot have to be process by the CPU

A

Data from PCIe Lanes do not need to be processed by the CPU. It acess data directly from RAM and process it like the CPU.

96
Q

What is bus mastering

A

Bus mastering is a bus design that allows an expansion card (or plug-in board) to access the computer’s memory independently of the CPU. This allows data transfer between the peripheral and the main system memory while the CPU is being used by other devices.

97
Q

Purpose of PCIe

A

Increase the number of lanes within which data travels. By increasing lane, more data can travel without increasing computer speed

98
Q

Purpose of PCIe Card:

A

Allows motherboard to connect with high speed devices such as graphics card

99
Q

Purpose of Riser Card

A

Allows us to add expansion card to a slimline computer that does not have enough space height.

100
Q

System Clock purpose:

A

Keeps everything working in Synch. Sets the speed at which different type of bus signals are produced.

101
Q

System clock consist of

A

A clock generator and a clock multiplier

102
Q

A clock generator in a system clock does what

A

A clock generator set the timing signal of the clock

103
Q

A clock multiplyer in a system clock does what

A

A clock generator distributes the timing signal to the appropriate bus

104
Q

What is the purpose of keyed slot on addapter card

A

Keyed slots prevents adapter cards from being inserted the wrong way

105
Q

Why PCIe was developed

A

PCIe was developed in order to reduce bottle neck of transferring signals which slowed computer down.

106
Q

What is point to point serial communication:

A

Point to Point communication is when a component can have a dedicated link to any other components such as PCIe. This allows it to have access directly to RAM without waiting for CPU to process information

107
Q

What is parallel port used for

A

parallel portis a type of interface found on early computers (personal and otherwise) for connecting peripherals.

108
Q

What is Parallel interface:

A

Refers to multiline channel where several bits of data can be sent simultaneously.

109
Q

How is information process in Serial Port:

A

One bit at a time

110
Q

Which PCI uses point to point communication

A

PCIe

111
Q

What is Link

A

A link is the connection point in a point to point communication between two components

112
Q

How does Link works:

A

A link works by sending both data and control/timing instructions together.

113
Q

What is a Host:

A

A Host isany computer or other device that is connected to a network for the purpose of communicating with other computers or a server

114
Q

What is HBA stands for

A

HBA stands for Host Bus adapter

115
Q

What is a Host bus adapter

A

A Host Bus Adapter (HBA) is a circuit board or integrated circuit adapter that provides physical connectivity between a host system (computer or server) and networks and storage devices. … It’s the same card that allows your personal computer to connect to a LAN.

116
Q

what is a Storage bus:

A

A special type of expansion bus dedicated to communicate with storage devices

117
Q

What is a Storage bus that connects host bus adapters to mass storage devices
SATA and IDE

A

SATA and IDE are storage buses (wires) that connects a host bus (computer) to mass storage devices

118
Q

SATA ports are used for

A

Provides power to Hard Drive, optical drive

119
Q

How many pins can SATA port accept:

A

SATA ports can accept 7 pins connectors

120
Q

What is the purpose of SATA ports

A

SATA Ports are used to connect hard drives to motherboards. They provide power to Hard Drive and optical drive

121
Q

What is a Motherboard jumper:

A

A motherboard Jumper is a small plastic clip containing metal conductors

122
Q

Purpose of Jumper on Motherboard

A

Completes a circuit that configures, reset the motherboard.

123
Q

Purpose of Universal Serial Bus

A

Provides an access point for connecting peripherals to the computer

124
Q

What is a Hub:

A

A port that allows other devices to be plugged into it

125
Q

What is a Standard / High Speed USB:

A

A standard High speed USB is the USB 2.0

126
Q

How is USB powered:

A

Power is supplied to the USB by the Host (what the USB is pugged into).

127
Q

What is meant by USB on the GO

A

USB on the go is to have the ability to connect your phone to a computer. The computer appears to the phone as an storage device.

128
Q

Cables that connects Peripherals to computer

A

USB

  • Thunderbolt
  • Lightning connector
129
Q

Thunderbolt connectors are used on which type of computer:

A

Apple computer

130
Q

Lightning connector are used on which device:

A

Apple’s I-phone mobile devices

131
Q

eSATA is used to connect:

A

External Hard drive

132
Q

Molex connectors are used for

A

Provides power to internal drives such as Hard Drive, motherboard, fan, floppy disk, video card

133
Q

Number of pins on Molex power supply:

A

4 pins

134
Q

Wires for Network connectors are

A

RJ-45

RJ-11

135
Q

What is the difference between RJ-45 and RJ-11 port

A

RJ-45 is used with two ports (Female phone plug into) and RJ-45 is used with a single port (Female)

136
Q

Port on computer for RJ-45 will be marked

A

Ports for RJ-45 will be marked LAN

137
Q

What does LAN stands for:

A

LAN stands for Local Area Network

138
Q

What is a Local area Network

A

A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. the device is connected to a local router

139
Q

What is WAN stands for

A

WAN stands for Wide Area Network

140
Q

What is a wide area network

A

A wide area network is a network that covers a large geographic distance such as the internet. It is a collection of Local Network that communicate with a wider network (WAN)

141
Q

What is meant by twisted pair cable

A

The twisted pair is a type of wiring cable where insulted conductors are twisted around one another

142
Q

What is the purpose of twisted pair

A

twisted pair is used to minimize signal interference coming from other nearby wires or within a building

143
Q

What is the purpose of Expansion card

A

Expansion cards increase the functionality of the computer

144
Q

NIC stands for:

A

Network Interface Card

145
Q

Purpose of Network Interface Card:

A

Allows motherboard to connect with a network.

146
Q

What is HIDs stands for:

A

Human Interface Devices

147
Q

Human Interface Devices are:

A

Keyboard
Mouse Touchpads
Game controllers
Biometric Authentication…

148
Q

What is KVM

A

Keyboard, Video, Mouse switch

149
Q

Purpose of Keyboard, Video mouse switch:

A

Allows multiple computers to be controlled by a single keyboard, mouse and monitor

150
Q

Purpose of security input devices:

A

Provide protection against unauthorize access to computing devices and resources.

151
Q

What is NFC stands for:

A

Near Field Communication

152
Q

Near Field communication means?

A

Communication between two electronic devices that are near to each other. Such as a credit car to a mobile payment system at 7-Eleven

PC Components (1 decks)

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