Test 1 chapter 1-3 Flashcards
What are two different ways a laptop can utilize the cellular network connection of a mobile device?
Tethering, and Hotspot
What are the cellular network towers called?
Base Station
How many pins are in the power supply connectors that is used in most motherboards?
24-Pin
A DVI port transmits a video signal and is also called what?
DB-15 port
What is another acronym for static electricity?
ESD
Smart watches, wristbands, arm bands, eyeglasses and headsets are examples of what kind of technology?
Wearable technology
Wireless technology that establishes a communication link between two devices that are within four inches of each other.
Near Field Communication (NFC)
What audio port connects to an external home theater audio system, providing digital audio output?
S/PDIF
What general purpose tool can measure characteristics of electricity in a variety of devices
Multimeter
What are the two most common form factors used today for computer cases, power supplies, and motherboard
ATX and mATX
An older port used by routers for management and configuration purposes
Serial or Serial DB9
There are few field replacement units in phones because of the cost of replacement. True or false
True
A micro ATX motherboard will fit into a case that follows what minimum standard?
ATX 2.1
The most common pointing device on laptops
Touch pad
What case sits upright and can be as high as two feet and has room for several drives?
Tower
A case that lies flat and is also used as a monitor stand
Desktop
How many pins are used in a parallel port also known as an LPT port?
25
A connector that has 4 pins and is used for older IDE drives and some SATA drives and can provide +5 V and +12 V power outputs?
Molex Connector
What two port types transmit digital or analog video?
DVI and HDMI ports
What is the component that usually has a dual voltage selector switch and has cables that connect to the motherboard and component drive s?
PSU
What type of port transmits both audio and digital video with a single connector
HDMI
Newer motherboards use what type of firmware that is more secure than BIOS
Unified Extensible Firmware Interface
UEFI can assure that the boot is secure and no rouge operating systems ———— the system
Hijack
What type of port has a connector called an RJ-45 to connect to a network cable
Ethernet or network port
Transmits digital video and audio is slowly replacing VGA and DVI
DisplayPort
Type of memory slot found on a motherboard
DIMM
Draws heat from the CPU and pipes it to a fan, which then blows heat out of the case
Heat Sink
A slot used for expansion cards or video cards on a motherboard
PCLe
A series of tests performed by the startup HEFI/BIOS when you first turn on a computer
POST
A smaller type of memory slot typically used for laptops
SO-DIMM
A short range wireless technology used to connect two devices ex in a small personal network
Bluetooth
The mode where all wireless technology in a computer are turned off.
Airplane mode
Called the processor or microprocessor that does most of the processing for the entire system.
Central processing unit (CPU)
Reduces the number of expansion slots on the motherboard reducing the power supplied to the motherboard and allowing for a smaller case size.
Micro-ATX
Type of flash memory that is used by mobile devices to store their apps and data
Solid state device
Two services that windows must provide for an expresscard are
Socket service, card service
Law enforcement agencies use this type of data to reconstruct persons travels
Geo tracking
Type of port and connector for power and communication used by Apple devices.
Lightning
What are four components found on the motherboard? I
CPU
Expansion slots
Memory slots
Heat sink
Programs and data stored on a motherboard are called what?
Firmware
Type of gyroscope used in mobile devices to sense the physical position of a device.
Accelerometer
If you have PCI Express version 2 video card, how many pins will the power connector have if the card requires extra power?
8 pins
Function that used to be provided by expansion cards are more often found as what today?
Onboard ports
The primary storage installed in a PC typically stores the OS as well as its applications
Hard Disk Drive
Before removing several components from a computer what should tech support do?
Draw a diagram.
A computer system will always need the main —— power connector.
P1
What resources may be useful in disassembling a laptop computer
User manual
Service manual
Ifixit.com
Manufacturer website
Why are laptop replacement parts more expensive than desktop PCs
Because their components are more compact to stand up against travel.
When can you touch the inside of a computer that is turned on?
When measuring voltage output using a multimeter
Controls the power to the motherboard must be connected for the he PC to power up
POWER SW
Controls the drive activity light on the front panel
HDD LED
Positive LED controls the power light and indicates power is on
Power LED+
Negative LED controls the power light
Power LED-
Switch used to reboot the computer
Reset SW
What is the first step before opening the computer case?
Backup important data
What is the usual time length for manufacturer warranties?
1 year
If PC doctor softwAre is installed on a computers hard drive what two different ways can the program be started?
Start menu shortcut
Press function key during startup sequence
What are the two different PIN numbers that extra PCLe power connectors have
6-pin 8-pin
What two laptop manufacturers provide their service manuals online free of charge?
Dell and Lonovo
A connector on a motherboard that consists of pins that stick up from the board.
Front Panel Header
Keeps the motherboard from touching the case
Spacer
Clipped to the side of the computer case to dissipate any charge between you and the computer.
ESD Strap
A type of connector that must be lifted up in order to be disconnected
ZIF connector
A document from the manufacturer that describes how to disassemble a device.
Service manual
A connector on the motherboard that allows the insertion of a card
Expansion slot
What factors should a support technical consider when working on a laptop that differ from a desktop?
- Replacement parts directly from •manufacturer or authorized seller
- Size of components
- Customized installation OS that is unique
- original equipment manufacturers warranty
Diagnostic software is used by several manufacturers to run test on several parts of a computer
PC Doctor
What order should you install components into the case after disassembling a computer?
•Power supply, drives, motherboards, cards
Immediately after you unplug the computers from the power outlet are you safe to begin working in the case?
No
Where should you clip the ESD strap when opening a computer?
Computer case
If a processor has a heavy cooling assembly installed on top of them it is best to remove the cooler before you take what out of the case?,
Motherboard
Round or metal pegs that separate the motherboard from the bottom of the case are known as
Standoffs
What do you call a connector on a motherboard that consists of pins that stick up from the board
Header
What two devices should never be opened in a computer?
Monitor
Power supply
If the fine traces or lines on the bottom of the board were to touch the case what when happen when the system is running?
A short
What else can be down to dissipate any ESD before working on a laptop?
Touch a non painted metallic surface on the laptop
Before contacting tech support what two things do you need to have ready?
Laptop model and serial number ready
After your laptop is reassembled what should be done before installing the battery or AC adapter?
Gently shake the laptop to ensure nothing is loose inside of the case.
CPU, fan assembly, LCD screen are considered what?
Field Replaceable Unit (FRU)
What does a small triangle embedded on a connector signify?
The wire nearest the triangle is pin 1
When is a laptops warranty voided?
If someone other than an authorized service center services the laptop.
What must your motherboard have to use BitLocker Encryption in Windows 7?
TPM chip
What type of socket ensures that even force is applied to the processor?
ZIF
Where are almost all motherboard configuration data stored in today’s computers?
CMOS RAM
A fast and slow end and each end is a separate chip on the motherboard
Accelerated Hub Architecture
What type of passwords can be set to lock down a computer?
User password and Supervisor Password
Speed of memory, front side bus, and processor are measured in what?
Hertz
Hertz are measured in what?
One cycle per second
“Chassis intruded! System has halted” means what has occurred?
The case has been opened
How many lanes does QuickPath Interconnect utilize for data packets?
16 lanes
PCI Express Version 3.0 can provide how many GB/sec throughput
32 GB/sec
If your system hangs at odd times or during the boot what can be done?
Flash the BIOS
Do PGA or LGA sockets give better contact?
LGA Sockets
Haswell and Broadwell chipsets work with what two different types of ram?
DDR3 and DDR4
How can you update motherboard drivers?
By downloading them from the motherboard MANUFACTURER website.
What are the names for the databases that holds digital signatures provided by OS manufacturers.
Key-Enrollment Key or Key-Exchange Key
What was the 64 bit front side bus replaced with in the X58 chipset?
QPI
What socket type is soldered to the motherboard?
BGA
A Mini PCle skit can have how many pins?
54 and 52 pins
Skyline chipset architecture uses what socket?
LGA1151
Fine lines on top and bottom of motherboard surface that enable data instructions and power to move from component to component on the board
Traces
Some motherboards allow you to set a password to access what?
The Hard drive
LGA2012 socket supports what?
DDR3 and DDR4 memory
A bus does what three things?
- carry electrical power
- Control signals
- memory addresses for one program to tell another)
PCI express uses what kind of bus?
Serial bus
Small programs stored on the hard drive and installed in windows to communicate with specific hardware devices.
Device drivers
Chipset must be compatible with what?
The processor it serves
What are two methods for partitioning hard drives
Master Boot Record Partition
GUID Partition Table
First PCI bus operated at how many MHz
33
A set of components that work closely with the processor to control the memory buses and peripherals.
Chipset
If disconnected the component causes setup information in the CMOS to be lost
CMOS Battery
The system of pathways used for communication which carry data
Data bus
Also called the host bus, this is a 64- bit bus that connects the north bridge to the processor
Front side bus
Two small posts or metal pins on the motherboard that are either open or closed
Jumper
A set of rules and standards that any two entities use for communication
Protocol
Installs in a PCI slot and provides a tier slot at a right angle
Riser card
Set of rules and standards that any two entities use for communication
Protocol
A device dedicated to timing the activities on the motherboard
System clock
One physical machine hosts multiple activities that are normally done on multiple machines
Virtualization
Issued by a slow device that is not ready to service a request from the processor
Wait state
What motherboard slot had direct access to the North Bridge?
Primary PCle slot
Ivy bridges use more power than Nehalem chipsets true or false?
False
Sandy bridge processors house what?
Memory and graphics controller
CMOS stands for what?
Complementary metal-oxide semiconductor
PCI express come in four different slot sizes what are they?
X1
X4
X8
X16
What device does not connect to the hub on the south bridge
Video
What should you do if you want to be able to locate your laptop in case it’s lost or stolen? I
Subscribe to LoJack for laptops
A technician might change boot —- from hard drive to DVD for a new Windows install
Order
A combination of CPU and a graphics processor unit in the same processor housing
Accelerated Processing Unit
What chipset is designed to support the APU?
A-Series