CompTia 901 Exam Prep Flashcards
Where is the information running on your computer stored when it is in use?
RAM
How big is the data width of DIMM?
64 bit data width
Which type of RAM has 184 pins?
DDR
What types of RAM have 240 pins? (2)
DDR2 and DDR3
What is SO-DIMM used for?
Laptops and Mobile Devices
Which type of RAM does a laptop use?
SO-DIMM
Which type of RAM has 172 pins?
DDR Mirco
What types of RAM have 214 pins? (2)
DDR2 and DDR3 Mirco
What does a jumper on a motherboard do?
Enables or disables certain features of a motherboard
Which CPU layout puts pins onto the CPU?
Pin Grid Array (PGA)
Which CPU layout puts pins on the motherboard?
Land Grid Array (LGA)
What is the Northbridge also called?
Memory Controller Hub
What is the Memory Controller Hub also called?
Northbridge
What is the Southbridge also called?
I/O Controller Hub (ICH)
What is the I/O Controller Hub (ICH) also called?
Southbridge
Which bus deals with high bandwidth communications?
Northbridge
What does the Northbridge deal with?
High bandwidth communications (GPU, CPU)
What does the Southbridge deal with?
Low bandwidth communications, (PCI, USB, HDD,BIOS)
What does the Super I/O deal with?
Legacy Ports (Serial, Parallel, Floppy Drive, Keyboard, Mouse)
What many times faster can a DDR3 SDRAM transfer than the memory clock speed?
64 times
How much bus width does PCI have? (2)
32 bit and 64 bit
A PCI that is running at 133 MB/S is running at what bit and Mhz?
32 bit at 33 MHz
A PCI that is running at 266 MB/S is running at what bit and Mhz? (2)
32 bit at 66 Mhz or 64 bit at 33 Mhz
A PCI that is running at 533 MB/S is running at what bit and Mhz?
64 bit at 66 Mhz
A PCI that is running 32 bit at 33 Mhz is running how fast?
133 MB/s
A PCI that is running 32 bit at 66 Mhz or 64 bit at 33 Mhz is running how fast?
266 MB/s
A PCI that is running 64 bit at 66 Mhz is running how fast?
533 MB/s
What type of communication does a PCI have?
Parallel communication
What does parallel communication mean?
All the information is transferred at the same time
If all information is transferred at the same time what type of communication is that?
Parallel communication
What is the PCI-X designed for?
Servers
Which PCI is designed for servers?
PCI-X
How many times faster than the clock speed is PCI-X?
4 times
How much thoughput does a PCI-X have?
1064 MB/s
Does PCI-X have parallel communication?
Yes
How does the PCIe communicate?
Serially
What does serial communication mean?
It sends a single bit one at a time
What are the different types of PCIe? (6)
x1, x2, x4, x8, x16, x32
What is faster Parallel or Serial communication?
Serial communication
What is the throughput for PCIe V1.x?
250 MB/s per lane
What is the throughput for PCIe V2.x?
500 MB/s Per lane
What is the throughput for PCIe V3.x?
~ 1 GB/s Per lane
What is the throughput for PCIe V4.x?
~ 2 GB/s per lane
Which version of PCIe has 250 MB/S throughput?
PCIe V1.x
Which version of PCIe has 500 MB/S throughput?
PCIe V2.x
Which version of PCIe has ~ 1 GB/S throughput?
PCIe V3.x
Which version of PCIe has ~ 2 GB/S throughput?
PCIe V4.x
What is mini PCIe used for?
Mobile devices
How many pin connectors are on ATX motherboards? (2)
20 pin or 24 pin with additional 4/8 pin connector
Is the Mini-ITX screw-compatible with ATX?
Yes
What is the form factor for the Mini-ITX?
170mm x 170mm
What is the form factor for the Nano-ITX?
120mm x 120mm
What is the form factor for the Pico-ITX?
72 mm x 100 mm
What is the form factor for the Moblie-ITX?
45mm x 75mm
Which motherboard is 45mm x 75mm?
Moblie-ITX
Which motherboard is 72 mm x 100 mm?
Pico-ITX
Which motherboard is 120mm x 120mm?
Nano-ITX
Which motherboard is 170mm x 170mm?
Mini-ITX
How many pins does a DDR SDRAM have?
184
How many pins does a DDR2 and DDR3 have?
204
How many pins does a DDR and DDR2 SO-DIMM have?
200
How many pins does a DDR3 so-dimm have?
204
How many pins does a DDR Mirco-DIMM have?
172
How many pins does a DDR2 and DDR3 Mirco-DIMM have?
214
What enables and disables features on a motherboard?
Jumpers
Which type of memory adds a bit but can’t correct an error?
Parity
What does Parity memory do?
Adds a parity bit to check for errors but it can only inform you of errors, not correct them
Which type of memory can correct an error on the fly?
Error Correcting Code (EEC)
What can Error Correcting Code (EEC) memory do?
Correct an error in the memory on the fly
Does parity make even or odd numbers?
Even
What is another name for Registered Memory?
Buffered Memory
What does Registered Memory do?
Includes an additional register between the RAM module and the memory controller
Where is Registered memory mostly used?
Servers
How is Multi-Channel memory used?
Installed in pairs or trios for maximum throughput
What is installed in pairs or trios for maximum throughput?
Multi-Channel memory
What is Read Only Memory (ROM)?
It’s memory that can’t be changed or erased. It’s a good place to store BIOS settings
What is a type of memory that can’t be changed or erased?
Read Only Memory (ROM)
What is Programmable ROM (PROM)?
Memory that can be written to only once
What is the type of memory that can only be written to once?
Programmable ROM (PROM)
What is Erasable PROM (EPROM)?
It’s memory that can be written, erased and written again
What type of memory can be written to, erased, and written to again?
Erasable PROM (EPROM)
What type of ROM is in most computers?
Electrically Erasable PROM (EEPROM)
What is Electrically Erasable PROM (EEPROM)?
It can be rewritten again and again electronically (Flash Drives, SSD)
What type of memory can be rewritten again and again electronically?
Electrically Erasable PROM (EEPROM)
What type of memory is often used in processor caches?
Static RAM (SRAM)
Where is SRAM often used?
In processor caches
What does Dynamic RAM (DRAM) need to do constantly?
It needs to be constantly refreshed or the data disappears
Why is Dynamic RAM (DRAM) randomly accesed?
Information can be pulled quicker
What is Synchronous DRAM (SDRAM)?
A type of memory that is synchronous with the common system clock
Which type of memory is synced with a common system clock?
Synchronous DRAM (SDRAM)
What is what is difference between DDR and SDR?
DDR can send data twice as fast as SDR
How many pins does DDR have?
184 pins
Which is faster SDR or DDR?
DDR
Which type of memory has 184 pins?
DDR
How do you get the naming convention for RAM (ie.PC1600)?
Take the transfer speed (200) and multiply that by 8 to get the name (PC1600)
What is the name (Pcxxxx) for DDR-200?
PC1600
What is the name (DDR-xxx) for PC1600?
DDR-200
What is the name (Pcxxxx) for DDR-266?
PC2100
What is the name (Pcxxxx) for DDR-333?
PC2700
What is the name (Pcxxxx) for DDR-400?
PC3200
What is the name (DDR-xxx) for PC2100?
DDR-266
What is the name (DDR-xxx) for PC2700?
DDR-333
What is the name (DDR-xxx) for PC3200?
DDR-400
How much faster DDR2 than DDR?
Twice as fast DDR
Which is faster DDR2 or DDR?
DDR2
How many pins does DDR2 have?
240 pins
Which type of memory has 240 pins? (2)
DDR2 and DDR3
Is DDR2 backwards compatible with DDR?
No
What is the naming convention for DDR2 memory?
DDR2-xxx PC2-xxxx
If a memory clock speed is 100 MHz what does the I/O bus speed need to be for DDR?
100 MHz
If a memory clock speed is 100 MHz what does the I/O bus speed need to be for DDR2?
200 MHz
If a memory clock speed is 100 MHz what does the I/O bus speed need to be for DDR3?
400 MHz
If the memory clock speed is 100 Mhz and the I/O bus speed is 200 MHz what is the DDR speed?
DDR-200
If the memory clock speed is 100 Mhz and the I/O bus speed is 400 MHz what is the DDR speed?
DDR3-800
What should you do if you a expansion cards isn’t going into a slot?
Don’t try to jam it in there. Check to see if you have the right kind of card for that slot
Where is a WWAN cards found?
Usually found in laptops
What type of PCI is a WWAN card? (2)
Mini PCI or Mini PCI Express
What is a WWAN card used for?
Used to connect to the Internet without a Wifi or Ethernet present
What connection is TV tuners mostly used with?
Standard F connecter
What uses a standard F connector?
TV tuners
If a expansion card is too tall for a case what can we use to make it fit?
Riser Card
How much can a CD-ROM hold?
Up to 700 MB
How much can a DVD-ROM hold?
Up to 4.7 GB
How much can a Dual Layer DVD-ROM hold?
Up to 8.5 GB
How much can a Blu-Ray hold?
Up to 25 GB
How much can a Dual Layer Blu-Ray hold?
Up to 50 GB
Which optical format can hold up to 700 MB?
CD-ROM
Which optical format can hold up to 4.7 GB?
DVD-ROM
Which optical format can hold up to 8.5 GB?
Dual Layer DVD-ROM
Which optical format can hold up to 25 GB?
Blu-Ray
Which optical format can hold up to 50 GB?
Dual Layer Blu-Ray
How does commercial devices write to optical media?
They create tiny bumps on the disk
How does retail devices write optical media?
They burn the photosensitive dye
Which types of optical media can be rewriteable?
RW and for Blu-Ray (BD-RE)
Which types of optical media can only be recorded once?
R (ie DVD-R, BD-R)
How does a Hard Disk Drive (HHD) operate?
By spinning platters inside of the HHD
What is the Average Latency on a 10,000 RPM HHD?
3 ms
What is the Average Latency on a 7,200 RPM HHD?
4.16 ms
What is the Average Latency on a 5,400 RPM HHD?
5.55 ms
What does RW mean on optical media?
Rewritable
What does R mean on optical media?
Recordable
What is the RPM of a HDD if it has a average latency of 3 ms?
10,000 RPM
What is the RPM of a HDD if it has a average latency of 4.16 ms?
7,200 RPM
What is the RPM of a HDD if it has a average latency of 5.55 ms?
5,400 RPM
What is the common RPMs of HDD? (3)
10,000 / 7,200 / 5,400
What does the platters on a HDD spin around?
Spindle
What is a spindle?
It is what the platters inside of a HDD spin around
What moves the arm back and forth on a HDD?
Actuator
What does an actuator do?
Moves the arm back and forth on an HDD
What read and writes information onto the platter of a HDD?
Head
What does the head on a HDD do?
It reads and writes information onto the platter of a HDD
Which is faster SSD or HDD?
Solid State Drive (SSD)
What does an SSD use as memory?
Flash Memory
What is a Solid State Hybrid Drive (SSHD)?
It combines a spinning drive and a SSD into a single device
What combines a spinning drive and a SSD?
Solid State Hybrid Drive (SSHD)
What does a SSHD do different?
It caches the slower spinning hard drive data onto the flash memory
What is a hot swappable drive?
You can add and remove drives while the system is running
What type of devices can be hot swappable? (4)
USB, Firewire, SATA, eSATA
Is a USB device hot swappable?
Yes
Is a Firewire device hot swappable?
Yes
Is a SATA device hot swappable?
Yes
Is a eSata device hot swappable?
Yes
What does USB flash drives use as memory?
EEPROM flash memory
What is a plus for USB flash drives?
Non-volatile memory and it needs no power to retain data
What is a negative for USB flash drives?
It has a limited number of writes
What is the different types of flash memory (7)
USB flash drive, CompactFlash(CF), Secure Digital(SD), miniSD, mircoSD, xD-Picture Card, eMMC
What is the common flash memory type in mobile devices?
eMMC
What is tape drive commonly used for?
Archival purposes
How does tape drives store data?
With a magnetic tape with sequential storage
What type of format does tape drives use?
Linear Tape-Open (LTO)
Which type of storage device uses the Linear Tape-Open format?
Tape Drives
Which types of flash drive uses EEPROM flash memory?
USB flash drives
What type of flash drive has nonvolatile memory and it needs no power to retain data?
USB flash drive
Which provides a higher performance? Software or hardware based RAID?
Hardware
Which RAID does just striping?
RAID 0
What does striping do in RAID systems?
It splits the file blocks between two or more drives
What is a negative for RAID 0?
It has no redundancy. If one drive fails everything is lost
What is a positive for RAID 0?
High performance so the data can be written quickly
What does RAID 0 do?
Striping only
What does RAID 1 do?
Mirroring only
Which RAID does just mirroring?
RAID 1
What is RAID mirroring?
File blocks are duplicated between multiple physical drives
What is a positive for RAID 1?
High redundancy. If one drive fails you have a backup
What is a negative for RAID 1?
Requires double the disk space you would normally need
What does RAID 5 do?
Striping with parity
Which type of RAID does striping with parity?
RAID 5
How many disks does RAID 5 need?
Atleast 3
What does RAID 1+0 do?
A Stripe of mirrors
How many drives does RAID 1+0 need?
4
Which RAID does a stripe of mirrors?
RAID 1+0
What dissipates heat through thermal conduction?
Heat sink
What does a heat sink do?
Dissipates heath through thermal conduction
What is a heat sink commonly made of? (2)
Copper or aluminum alloy
What is the adhesive that is between the CPU and the heat sink?
Thermal paste
What does thermal paste do?
It is the adhesive between the CPU and the heat sink that creates a good contact between them
How much thermal paste should you apply?
A small dab. Too much and it can become counter intuitive
What is the standard size for case fans? (3)
80 mm / 120 mm / 200 m
What does liquid cooling do?
Cools the computer by circulating coolant
What type of cooling system cools the computer by circulating coolant?
Liquid Cooling
What is passive cooling?
No fans are used only heat sinks
What type of cooling system that cools a computer by only heat sinks?
Fanless / Passive cooling
How many pins does a Intel LGA 775?
775 pins
What CPU has 775 pins?
Intel LGA 775
What is another name for a Intel LGA 775?
Socket T
What is the official name for the Socket T?
Intel LGA 775
How many pins does a Intel LGA 1366?
1366 pins
What CPU has 1366 pins?
Intel LGA 1366
What is another name for a Intel LGA 1366?
Socket B
What is the official name for the Socket B?
Intel LGA 1366
How many pins does a Intel LGA 1156?
1156 pins
What CPU has 1156 pins?
Intel LGA 1156
What is another name for a Intel LGA 1156?
Socket H or Socket H1
What is the official name for the Socket H or Socket H1?
Intel LGA 1156
What is special about the Intel LGA 1156?
It integrates the Northbridge onto the chip
How many pins does a Intel LGA 1155?
1155 pins
What CPU has 1155 pins?
Intel LGA 1155
What is another name for a Intel LGA 1155?
Socket H2 (h21155)
What is the official name for the Socket H2?
Intel LGA 1155
How many pins does a Intel LGA 1150?
1150 pins
What is another name for a Intel LGA 1150?
Socket H3 (h31150)
What is the official name for the Socket H3?
Intel LGA 1150
How many pins does a Intel LGA 2011?
2011 pins
What CPU has 2011 pins?
Intel LGA 2011
What is another name for a Intel LGA 2011?
Socket R
What is the official name for the Socket R?
Intel LGA 2011
What type of CPU is supported by Intel LGA 775? (2)
Pentium 4, Core 2
What type of CPU is supported by Intel LGA 1366?
Core i7 (Nehalem)
What type of CPU is supported by Intel LGA 1156? (3)
Core i3/5/7 (Nehalem)
What type of CPU is supported by Intel LGA 1155? (2)
Sandy/Ivy Bridge
What type of CPU is supported by Intel LGA 1150? (2)
Haswell, Broadwell
What type of CPU is supported by Intel LGA 2011? (6)
Sandy Bridge-E/EP, Ivy Bridge-E/EP, Haswell-E/EP
How many pins does a AMD Socket AM3?
941 pins (am3941)
What CPU has 941 pins?
AMD Socket AM3
Can an AM3 be used in a AM2 socket?
Yes with a BIOS upgrade
How many pins does a AMD Socket AM3+?
942 pins (am3+942)
What CPU has 942 pins?
AMD Socket AM3+
Is the AM3 compatible with AM3+ CPU sockets?
Yes
How many pins does a AMD Socket FM1?
905 pins (fm1905)
What CPU has 905 pins?
AMD Socket FM1
How many pins does a AMD Socket FM2?
904 pins
What CPU has 904 pins?
AMD Socket FM2
How many pins does a AMD Socket FM2+?
906 pins (fm2+906)
What CPU has 906 pins?
AMD Socket FM2+ (2b906)
Which CPU is in a Micro PGA package?
AMD Socket FM2+
What is the AMD Socket FM2+ also called?
Socket FM2b
Which CPU has the nickname of Socket FM2b?
AMD Socket FM2+
Which type of CPU is supported by AMD Socket AM3? (2)
Athlon II / Phenom II
Which type of CPU is supported by AMD Socket AM3+? (2)
Athlon II / Phenom II
Which type of CPU is supported by AMD Socket FM1?
AMD 10h
Which type of CPU is supported by AMD Socket FM2?
Piledriver
Which type of CPU is supported by AMD Socket FM2+?
Steamroller
Why is a CPU cache used?
It’s faster than holding it in RAM
What is Hyper-Threading?
Takes a single CPU and makes it act like two
What was the first Windows OS that supported Hyper-Threading?
Windows XP
What is visualization?
Running multiple Oss on the same hardware
What is the technology called for visualization for Intel called?
Intel Virtualization Technology (VT)
What is the technology called for visualization for AMD called?
AMD Virtualization (AMD-V)
How much faster can a 64 bit CPU run than a 32 bit CPU?
Twice as fast
Does software have to be optimized to take advantages of x64 architecture?
Yes
What does Intel called the NX bit?
XD bit
What does AMD called the NX bit?
Enhanced Virus Protection
What is an NX bit?
Designate sections of memory where the CPU can and can not execute code
What does Windows call the feature for the NX bit?
Data Execution Prevention (DEP)
What is the speed of Infrared Wireless?
4 Mbit/sec
What is the max distance for Infrared Wireless? (same as SATA)
1 meter
Which wireless has a max speed of 4 Mbit/sec?
Infrared
Which wireless has a max distance of 1 meter (3 feet)?
Infrared
What is the speeds for Near Field Communication? (3)
106 kbits/sec 212 kbit/sec 424 kbit/sec
What is the max distance for Near Field Communication?
10 cm
What is Class 1 Bluetooth used for?
Industrial use
What is Class 2 Bluetooth used for?
Mobile Devices
What is Class 3 Bluetooth used for?
Short-range use
Which class of Bluetooth is used for Industrial use?
Class 1 Bluetooth
Which class of Bluetooth is used for Mobile device use?
Class 2 Bluetooth
Which class of Bluetooth is used for short-range use?
Class 3 Bluetooth
What is the max power for Class 1 Bluetooth?
100 mW
What is the max power for Class 2 Bluetooth?
2.5 mW
What is the max power for Class 3 Bluetooth?
1 mW
Which class of Bluetooth has a max power of 100 mW?
Class 1 Bluetooth
Which class of Bluetooth has a max power of 2.5 mW?
Class 2 Bluetooth
Which class of Bluetooth has a max power of 1 mW?
Class 3 Bluetooth
What is the max distance for Class 1 Bluetooth?
100 meters
What is the max distance for Class 2 Bluetooth?
10 meters
What is the max distance for Class 3 Bluetooth?
1 meter
Which class of Bluetooth has a max distance of 100 meters?
Class 1 Bluetooth
Which class of Bluetooth has a max distance of 10 meters?
Class 2 Bluetooth
Which class of Bluetooth has a max distance of 1 meter?
Class 3 Bluetooth
Which version of Bluetooth has a data rate of 1 Mbit/sec?
Version 1
Which version of Bluetooth has a data rate of 3 Mbit/sec?
Version 2
Which version of Bluetooth has a data rate of 24 Mbit/sec? (2)
Version 3 & 4
Version 1 Bluetooth as a data rate of how much?
1 Mbit/sec
Version 2 Bluetooth as a data rate of how much?
3 Mbit/sec
Version 3 Bluetooth as a data rate of how much?
24 Mbit/sec
Version 4 Bluetooth as a data rate of how much?
24 Mbit/sec
What is used for the actual data transfer in Bluetooth version 3?
802.11
Which version of Bluetooth uses 802.11 for its data transfer?
Version 3
What did version 4 of Bluetooth add to it’s specification?
low power specification
What is the frequency used in 802.11a?
5 Ghz
What is the frequency used in 802.11b?
2.4 Ghz
What is the frequency used in 802.11g?
2.4 Ghz
What is the frequency used in 802.11n? (2)
5 Ghz and/or 2.4 Ghz
What is the frequency used in 802.11ac?
5 Ghz
Which 802.11 uses 2.4 Ghz? (3)
802.11 b/g/n
Which 802.11 uses 5 Ghz? (3)
802.11 a/n/ac
What is the max allowable stream in 802.11a?
1
What is the max allowable stream in 802.11b?
1
What is the max allowable stream in 802.11g?
1
What is the max allowable stream in 802.11n?
4
What is the max allowable stream in 802.11ac?
8
Which 802.11 has a max allowable stream of 8?
802.11ac
Which 802.11 has a max allowable stream of 4?
802.11n
Which 802.11 has a max allowable stream of 1? (3)
802.11a/b/g
What is the max throughput for 802.11a?
54 Mbit/sec
What is the max throughput for 802.11b?
11 Mbit/sec
What is the max throughput for 802.11g?
54 Mbit/sec
What is the max throughput for 802.11n?
600 Mbit/sec
What is the max throughput for 802.11ac?
6,934 Mbit/sec
Which 802.11 has a max throughput for 11 Mbit/sec?
802.11b
Which 802.11 has a max throughput for 54 Mbit/sec? (2)
802.11a/g
Which 802.11 has a max throughput for 600 Mbit/sec?
802.11n
Which 802.11 has a max throughput for 6,934 Mbit/sec?
802.11ac
What is the max outdoor range of 802.11a?
120 meters
What is the max outdoor range of 802.11b?
140 meters
What is the max outdoor range of 802.11g?
140 meters
What is the max outdoor range of 802.11n?
250 meters
What is the max outdoor range of 802.11ac?
250 meters
Which 802.11 has a max outdoor range of 120 meters?
802.11a
Which 802.11 has a max outdoor range of 140 meters? (2)
802.11b/g
Which 802.11 has a max outdoor range of 250 meters? (2)
802.11n/ac
What is Analog modulation?
Sends an analog signal over a analog channel
Which type of modulation sends a analog signal over an analog signal?
Analog modulation
What is digital modulation?
Sends a digital bitstream over an analog channel
Which type of modulation send a digital bitstream over an analog channel?
Digital modulation
Which type of modulation degrades?
Analog modulation
Which type of modulation doesn’t degrade but just stops?
Digital modulation
What is the max speed for USB 1.1 Low Speed?
1.5 Mb/sec
What is the max speed for USB 1.1 Full Speed?
12 Mb/sec
What is the max speed for USB 2.0?
480 Mb/sec
What is the max speed for USB 3.0?
5 Gb/sec
Which USB version can run at a max speed of 1.5 Mb/sec?
USB 1.1 Low Speed
Which USB version can run at a max speed of 12 Mb/sec?
USB 1.1 Full Speed
Which USB version can run at a max speed of 480 Mb/sec?
USB 2.0
Which USB version can run at a max speed of 5 Gb/sec?
USB 3.0
What is the max distance for USB 3.0?
3 meters
What is the max distance for USB 2.0?
5 meters
What is the max distance for USB 1.1 Low Speed?
3 meters
What is the max distance for USB 1.1 Full Speed?
5 meters
Which USB version can have a max distance of 3 meters? (2)
USB 3.0, USB 1.1 Low Speed
Which USB version can have a max distance of 5 meters? (2)
USB 2.0, USB 1.1 Full Speed
How many devices can you daisy chain for FireWire?
Up to 63 devices
Which connector can you daisy chain up to 63 devices?
FireWire
What is the speeds for FireWire 400/IEEE 1394a? (3)
100,200 or 400 Mb/s half-duplex
Which FireWire version can have speeds of 100,200, or 400 Mb/s half-duplex?
FireWire 400/IEEE 1394a
What is the speeds for FireWire 800/IEEE 1394b?
800 Mb/s full-duplex
Which FireWire version can have a speed of 800 Mb/sec full-duplex?
FireWire 800/IEEE 1394b
With FireWire 800 what is the max optical connection distance?
100 meters
What is the max distance limitation per link with FireWire?
4.5 meters
What is the max speed for SATA revision 1.0?
1.5 Gb/sec
Which SATA version has a max speed of 1.5 Gb/sec?
SATA Revision 1.0
Which SATA version has a max speed of 3.0 Gb/sec?
SATA Revision 2.0
Which SATA version has a max speed of 6.0 Gb/sec?
SATA Revision 3.0
What is the max distance for SATA Revision 1.0?
1 meter
What is the max distance for SATA Revision 2.0?
1 meter
What is the max distance for SATA Revision 3.0?
1 meter
What is the max distance for eSATA?
2 meters
What is the difference between SATA and eSATA?
eSATA is a connection on the outside of the computer. SATA is the connection on the inside of the computer.
What is another name for a Video Graphics Array (VGA) connector? (2)
DB-15,HD-15
What is the common name for a DB-15 connector?
Video Graphics Array (VGA)
What is the color of a VGA connector?
Blue
Which connector is colored blue?
VGA connector
What type of signal is a VGA connector?
Analog
How far do you have to go before the image degrades on a VGA connector?
5 to 10 meters
How many pins does a SATA data connector have?
7 pins
What type of signal does HDMI have?
Digital
How many pins does a HDMI Type A have?
19 pins
What type of a connector does a miniHDMI use?
Type C
What type of HDMI cable is used for smaller devices?
miniHDMI
A dual link DVI connector can run how fast?
7.4 Gb/sec
A single link DVI connector can run how fast?
3.7 Gb/sec
Which type of DVI connector can run at 7.4 Gb/sec?
Dual Link DVI
Which type of DVI connector can run at 3.7 Gb/sec?
Single Link DVI
What type of signal does a DVI-A have?
Analog
What type of signal does a DVI-D have?
Digital
What type of signal does a DVI-I have?
Both Analog and digital
Which type of DVI connector has only an analog signal?
DVI-A
Which type of DVI connector has only an digital signal?
DVI-D
Which type of DVI connector has both analog and digital signal?
DVI-I
Which two common types of connectors are there for analog audio?
¼’’ TRS plug and 1/8’’ TRS plug
Is a ¼’’ and a 1/8’’ TRS connector analog or digital?
Analog
What is a digital audio connector called?
TOSLINK
What is a digital audio connector made out of?
Optical Fiber
What is the max length for a TOSLINK connector?
10 meters
What connector does a analog modem use?
RJ-11
What connector does a DSL line use?
RJ-11
What is RJ-11 used for? (3)
Analog modem, DSL lines, telephone lines
What xPxC type does a RJ-11 use?
6P2C
Which type of connector uses a 6P2C type?
RJ-11
What is an RJ-45 usually used for?
Ethernet
What type of connector is used for Ethernet?
RJ-45
What xPxC type does a RJ-45 use?
8P8C
What type of data communication does a Thunderbolt use?
Serial
What is the throughput for Thunderbolt V1?
10 Gb/sec per Channel, 20 Gb/sec total throughput
What is the throughput for Thunderbolt V2?
20 Gb/sec
What is the throughput for Thunderbolt V3?
40 Gb/sec
Which Thunderbolt version has a max through put of 20 Gb/sec?
Thunderbolt V1
Which Thunderbolt version has a max through put of 20 Gb/sec with aggregated channels?
Thunderbolt V2
Which Thunderbolt version has a max through put of 40 Gb/sec?
Thunderbolt V3
How many devices can you daisy chain for Thunderbolt?
Up to 6 devices
What is the max distance for copper Thunderbolt connections?
3 meters
What is the max distance for optical Thunderbolt connections?
60 meters
Which type of Thunderbolt (design) has a max distance of 3 meters?
Copper
Which type of Thunderbolt (design) has a max distance of 60 meters?
Optical
How many pins does a SATA power connector have?
15 pins
Which type of SATA connector has 15 pins?
SATA power connector
What type of voltages does a SATA power connector have? (3)
3.3v, 5v, 12v
Which type of SATA connector has 3.3v, 5v, 12v wires?
SATA power connector
How many pins does molex connector have?
4 pins
What type of voltages does a molex connector have? (2)
5v, 12v
What is the ATX +12v connector mostly used for?
CPU connection
How many pins does a ATX +12v connector have?
4 pins
How many pins does a EPS +12v connector have?
8 pins
Where is the EPS +12v connector mostly used in?
Servers
What does an EPS +12v connector include?
A ATX +12v connector
How many pins does a PCIe connector have? (2)
6 and 8 pins
What voltage does a PCIe connector have?
12 V
Where is the PCIe connector usually seen on?
Video adapters
How many pins does a motherboard power connector have? (2)
20 or 24 pins. Some have 20 + 4 pins
How much voltage does a motherboard power connector have? (3)
3.3v, 5v, 12v
What is an amp?
The rate of electron flow past a point in one second
What is the rate of electron flow past a point in one second?
Amp
What is a volt?
Electrical pressure pushing the electrons
What is an electrical pressure pushing electrons?
Volt
How do you get watts?
Volts * Amp = Watts
What is a watt?
Measurement of real power use
What is the measurement of real power use?
Watt
What is Alternating Current(AC)?
A electric current that constantly reverses
What is a type of electronic current that constantly reverses?
Alternating Current (AC)
What is the is Alternating Current (AC) that is used in the US/Canada?
110 to 120 volts of AC, 60 Hz
What is the is Alternating Current (AC) that is used in the Europe?
220-240 VAC, 50 Hz
Where is the AC used that is 110-120 VAC?
US/Canada
Where is the AC used that is 220-240 VAC?
Europe
Which type of current distributes electricity efficiently over long distances?
Alternating Current (AC)
What is Direct Current (DC)?
An electrical current that moves in one direction with a constant voltage
What is a type of electronic current that moves in one direction with a constant voltage?
Direct Current (DC)
What is a single rail Power Supply?
It has one 12v output circuit
Which type of power supply has one 12v circuit?
Single Rail Power Supply
What is a multiple rail power supply?
Each rail has it’s own 12v output circuit
What is an advantage of a multiple rail power supply?
It has additional protection. It can shut down a power supply if it is overloaded instead of burning up the power supply
What is a thick client?
A usual desktop is called. Where everything is running on the desktop
What is a thin client?
A desktop that the applications run on a remote server.
What is needed most in a CAD/CAM workstation?
Processor, Video, RAM
What is needed most in a Audio/Video Editing workstation?
Video, Storage
What is needed most in a Virtualization workstation?
Processor, RAM
What is needed most in a Home Theather workstation?
Video, Audio
What is needed most in a Gaming workstation?
Processor, Video, Audio
What is a LCD display?
Light shine through liquid crystals
Does LCD require a backlight?
Yes
What is a positive for Twisted Nematic (TN) LCD? (2)
Fast response times, low power draw
What is a negative for Twisted Nematic (TN) LCD?
Poor viewing angles
What is the most common type of LCD display?
Twisted Nematic (TN)
What is the two types of LCD displays?
Twisted Nematic (TN), In Plane Switching (IPS)
What is a positive for In Plane Switching (IPS) LCD? (2)
Excellent color representation, No tailing when touched
What is a negative for In Plane Switching (IPS) LCD?
More expensive than the TN LCD
What is the two different types of LCD backlights?
Cold Cathode Fluorescent Lamp (CCFL) and LED
What is a Plasma display?
A display of tiny noble gas and mercury where voltage is powered to them to form a plasma
What is a positive for a plasma display?(2)
Very fast response times, Great color representation
What is common in digital projectors?
LCD
What is a OLED display?
Organic compounds emit light when receiving an electric current
Does an OLED display need a backlight?
No
What is a negative for OLED displays?
The organic compounds degrade overtime so it has a short life span
What is a refresh rate measured in?
Hz
What is the common refresh rates for LCD? (3)
60, 120, 144 hz
What is the display resolution?
Width X Height in pixels
What is an aspect ratio?
The ratio of width to height
What is a the standard monitor aspect ratio?
4:3
What is the aspect ratio of a wide screen monitor?
16:10
What is a HD aspect ratio?
16:9
What could cause distortion on a monitor?
The monitor isn’t set to it’s native resolution
What is native resolution?
It is the resolution the monitor was designed to be at (1920 x 1200)
How is the display brightness of a monitor measured?
Lumens
How is analog signals transmitted?
As a continuous signal
How are digital signals transmitted?
As discrete values (1 or 0)
What is a privacy filter for a monitor?
A film that you put on a monitor that will fade the screen if it is viewed from an angle
What is it called when you have two monitors that display two different things?
Extending the desktop
What is it called when you have two monitors that display the same thing?
Mirroring the desktop
What does extending the desktop to two monitors do?
Two monitors with different things on them
What does mirror the desktop to two monitors do?
Mirrors what is on one monitor to another
What is 16:9 aspect ratio called?
HD
What is 16:10 aspect ratio called?
Wide Screen
What is 4:3 aspect ratio called?
Standard
What is lumens?
How the brightness on a display is measured
Which type of signal send it as discrete values?
Digtial
Which type of signal send it as a continuous signal?
Analog
What is the resolution called that monitor is designed to be at?
Native resolution
What is it called that is width x height in pixels?
Aspect ratio
Is HDMI backwards compatible with DVI?
Yes
Is there a loss of video quality between HDMI and DVI?
No
