PC Components Flashcards
1
Q
CPU stands for
A
Central Processing Unit
2
Q
Pin Grid Array means
A
Pins are on the CPU
3
Q
Lan Grid Array means
A
Pins are on the socket of the CPU
4
Q
What are the two types of CPUs
A
Pin Grid and Land Grid
5
Q
What is meant by CPU socket
A
It is the socket that the CPU sits in
6
Q
What is ZIF stands for
A
Zero Insertion Force
7
Q
Zero Insertion Force means
A
The CPU is inserted with very little force
8
Q
CPU Manufacturers are
A
Intel and AND
9
Q
What is meant by CPU clock speed
A
The speed at which the CPU process information
10
Q
What is meant by overclocking
A
To increase the speed that CPU process information
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.
12
Q
what is cache
A
Small block of frequent access information
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.
14
Q
Information waiting to be processed is loaded onto what
A
Information waiting to be processed is loaded onto RAM
15
Q
CPU is covered by what
A
CPU is covered by paste, Heatsink and Fan
16
Q
RAM stands for
A
Random Access Memory
17
Q
What is another name for RAM
A
RAM is also known as system memory
18
Q
How adding more RAM to computer increase speed
A
More programs will be able to load onto RAM form hard Drive
19
Q
Why is RAM called system memory
A
It stores data for the CPU which is the main system
20
Q
Other names for Random Access Memory
A
System Memory, Main Memory and Primary Memory
21
Q
what is the purpose of RAM
A
Holds program codes waiting to be process
22
Q
What is meant by volatile memory
A
Memory that is erased once computer is turned off
23
Q
Which memory is volatile
A
RAM is Volatile memory
24
Q
How is RAM packaged
A
Packaged as dual in-line memory module slots
25
Why is RAM located closer to CPU
Data signals are able to travel faster from RAM to CPU . The shorter the distance, the faster data signal can get to its destination.
26
DIMM slots stands for
Dual in-line Memory Module
27
Purpose of DIMM slots on motherboard
Holds RAM packages
28
Number of DIMM slots determines what
Determines the amount of temporary memory that RAM can hold for processing
29
What is another name for memory module
Memory module is the RAM stick
30
On a memory module can the RAM chip be on both sides
Yes, the RAM chip can be on both sides of the RAM chip.
31
Type of Read Only Memories
ROM, PROM, EPROM and EEPROM
32
ROM stands for
Read Only Memory
33
PROM stands for
Read Only Memory Programable
34
EPROM stands for
Read Only Memory Programable Erasable
35
EEPROM stands for
Read Only Memory Programable, Erasable with Electrical light
36
What is NVRAM stands for
Non Volatile RAM
37
Purpose of NVRAM
Stores small amount of booting memory for quicker access when computer starts
38
Current Motherboard configuration is stored where
Motherboard configuration is stored in Non-Volatile RAM
39
What type of memory does none volatile RAM uses
Non volitile RAM uses Flash Memory.
40
Flash memory is also known as
Flash storage
41
Dose Flash Memory retains power
Yes Flash Memory retains power when computer is turned off
42
Does flash memory require battery back-up
No flash memory does not require battery back-up
43
CMOS stands for
Complementary Metal Ovide Semiconductor
44
Purpose of CMOS now
Keeps track of Time Clock
45
How does CMOS maintain power when computer is off
Maintain power via a small battery. CMOS requires very little power
46
CMOS battery last
5 to 10 years
47
RTC stands for
Real Time Clock
48
Most of the function of CMOS is now being done by
Non-Volatile memory
49
Purpose of browser cache memory
Saves recent browser searches for quicker access in the future
50
Where is L1 cache located
L1 cache is the CPU cache. It is located directly in the microprcessor (CPU)
51
Purpose of L1 cache
Stores the microprocessor's (CPU) recently access information
52
What allows CPU to retrieve recently access information
L1 cache
53
What is DRAM stands for
Type of RAM. It stands for Dynamic Random Access Memory
54
What are the two types of RAM
Dynamic RAM and Static RAM
55
RAM consists of addresses that does what?
tells the CPU where to look
56
RaM chips are stored where
On Modules on the RAM stick
57
The module that RAM chips are stored on is called
DIMM
58
DIMM stands for
Dual inline memory module
59
Why is DIM called dual inline memory module
The module has two independent rows of pins
60
what are the possible number of pins on a module
168, 184, 240 and 288
61
The memory slot of the motherboard is?
DIMM
62
Why computer will slow down if not enough storage space on RAM?
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
What happens to the data in RAM once the computer is shut down?
Data is erased
64
What are the types of RAMs
DRAM, SDRAM, DDR, DDR2, DDR3 and DDR4 RAM
65
Which RAM can transfer the most data to the CPU
DDR4 RAM can transfer the most data to the CPU
66
Which RAM is the slowest
DDR
67
What is meant by bandwidth
Bandwidth is the maximum rate of data that is transfered across a given path . EX: Amount of data from DDR to CPU
68
Which DDR RAM uses less power
DDR4
69
DDR 2 and 3 have how many pins
DDR 2 and 3 have 240 pins
70
Are the DDR RAMs interchangeable
DDR slots are not interchangeable. EX: DDR2 will not fit in DDR4 slots.
71
How many pins are on DDR4
DDR4 has 288 pins
72
What makes DDR faster
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
What is the purpose of soft power
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
What is a bus
Buses are wires that carry data signals to various components. It is a communication pathway that allows data to travel.
75
Traces are
buses on the motherboard are called Traces
76
How does the computer know where to send data signals
The computer uses various type of buses to control where the data goes
77
What are the various types of buses that the computer use to control where data signals go.
The system bus is divided into datat bus, address bus, and control bus
78
Which bus does the computer use to carry data signal to a particular component
The Data bus is use to carry digital signals to a particular component
79
can the Data bus signal travel with less bits that it is designed for
The Data bus signal will not travel to its destination if the bits that it is designed to carry are less
80
Which bus directs the data the its specific destination
The address bus allows the data to be delivered to the proper destination
81
What is the function of the control bus
The control bus determines when data is sent and when it is completed
82
what are the two ways that data can be transferred
The two ways that a digital signal (bits) can travel are serial transmission and Parellel transmission
83
What is serial transmission
Serial transmission is when data is sent using one channel (one wire), each bit follows the other to its destination. EX: - - - - -
84
What is Parallel transmission
Parallel transmission is when multiple channels (more than one wire) are used to send data.
EX: - - - -
- - - -
85
Which way is the best way for digital signals to travel in long distances, Parallel or serial
Serial transmission is best if signal has to travel long distance.
86
Bus that connects internal components together are called
Local bus
87
Bus that allows additional components to be connected to the computer is call
Expansion. Anything located outside the case is connected via an expansion bus. EX: peripheral devices
88
How can we extend the range and function of a computer, by using which bus
Expansion bus. Allows us to install various cards/ports for connecting external devices)
89
Expansion bus is connected to external devices via:
Expansion Slots
90
Expansion slots that allows internal or external expansion
USB, PCIe,
91
How to add expansion cards to slim line PC that do not have enough space for full height expansion cards
Add Riser card at right angles to the main board
92
USB stands for
Universal Serial Bus
93
PCIe stands for
Peripheral Component interconnect Express
94
What is PCIe Lanes
PCIe lanes serve as the information highway through which bits of data are transferred from the PCIe device connected on the motherboard to the CPU for processing.
95
Does device connected to a PCIe slot have to be process by the CPU
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
What is bus mastering
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
Purpose of PCIe
Increase the number of lanes within which data travels. By increasing lane, more data can travel without increasing computer speed
98
Purpose of PCIe Card:
Allows motherboard to connect with high speed devices such as graphics card
99
Purpose of Riser Card
Allows us to add expansion card to a slimline computer that does not have enough space height.
100
System Clock purpose:
Keeps everything working in Synch. Sets the speed at which different type of bus signals are produced.
101
System clock consist of
A clock generator and a clock multiplier
102
A clock generator in a system clock does what
A clock generator set the timing signal of the clock
103
A clock multiplyer in a system clock does what
A clock generator distributes the timing signal to the appropriate bus
104
What is the purpose of keyed slot on addapter card
Keyed slots prevents adapter cards from being inserted the wrong way
105
Why PCIe was developed
PCIe was developed in order to reduce bottle neck of transferring signals which slowed computer down.
106
What is point to point serial communication:
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
What is parallel port used for
parallel port is a type of interface found on early computers (personal and otherwise) for connecting peripherals.
108
What is Parallel interface:
Refers to multiline channel where several bits of data can be sent simultaneously.
109
How is information process in Serial Port:
One bit at a time
110
Which PCI uses point to point communication
PCIe
111
What is Link
A link is the connection point in a point to point communication between two components
112
How does Link works:
A link works by sending both data and control/timing instructions together.
113
What is a Host:
A Host is any computer or other device that is connected to a network for the purpose of communicating with other computers or a server
114
What is HBA stands for
HBA stands for Host Bus adapter
115
What is a Host bus adapter
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
what is a Storage bus:
A special type of expansion bus dedicated to communicate with storage devices
117
What is a Storage bus that connects host bus adapters to mass storage devices
SATA and IDE
SATA and IDE are storage buses (wires) that connects a host bus (computer) to mass storage devices
118
SATA ports are used for
Provides power to Hard Drive, optical drive
119
How many pins can SATA port accept:
SATA ports can accept 7 pins connectors
120
What is the purpose of SATA ports
SATA Ports are used to connect hard drives to motherboards. They provide power to Hard Drive and optical drive
121
What is a Motherboard jumper:
A motherboard Jumper is a small plastic clip containing metal conductors
122
Purpose of Jumper on Motherboard
Completes a circuit that configures, reset the motherboard.
123
Purpose of Universal Serial Bus
Provides an access point for connecting peripherals to the computer
124
What is a Hub:
A port that allows other devices to be plugged into it
125
What is a Standard / High Speed USB:
A standard High speed USB is the USB 2.0
126
How is USB powered:
Power is supplied to the USB by the Host (what the USB is pugged into).
127
What is meant by USB on the GO
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
Cables that connects Peripherals to computer
USB
* Thunderbolt
* Lightning connector
129
Thunderbolt connectors are used on which type of computer:
Apple computer
130
Lightning connector are used on which device:
Apple's I-phone mobile devices
131
eSATA is used to connect:
External Hard drive
132
Molex connectors are used for
Provides power to internal drives such as Hard Drive, motherboard, fan, floppy disk, video card
133
Number of pins on Molex power supply:
4 pins
134
Wires for Network connectors are
RJ-45
| RJ-11
135
What is the difference between RJ-45 and RJ-11 port
RJ-45 is used with two ports (Female phone plug into) and RJ-45 is used with a single port (Female)
136
Port on computer for RJ-45 will be marked
Ports for RJ-45 will be marked LAN
137
What does LAN stands for:
LAN stands for Local Area Network
138
What is a Local area Network
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
What is WAN stands for
WAN stands for Wide Area Network
140
What is a wide area network
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
What is meant by twisted pair cable
The twisted pair is a type of wiring cable where insulted conductors are twisted around one another
142
What is the purpose of twisted pair
twisted pair is used to minimize signal interference coming from other nearby wires or within a building
143
What is the purpose of Expansion card
Expansion cards increase the functionality of the computer
144
NIC stands for:
Network Interface Card
145
Purpose of Network Interface Card:
Allows motherboard to connect with a network.
146
What is HIDs stands for:
Human Interface Devices
147
Human Interface Devices are:
Keyboard
Mouse Touchpads
Game controllers
Biometric Authentication…
148
What is KVM
Keyboard, Video, Mouse switch
149
Purpose of Keyboard, Video mouse switch:
Allows multiple computers to be controlled by a single keyboard, mouse and monitor
150
Purpose of security input devices:
Provide protection against unauthorize access to computing devices and resources.
151
What is NFC stands for:
Near Field Communication
152
Near Field communication means?
Communication between two electronic devices that are near to each other. Such as a credit car to a mobile payment system at 7-Eleven
