688935
Description
Flashcards by yousweetdreams, updated more than 1 year ago
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Created by yousweetdreams
over 10 years ago
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| Question | Answer |
| What socket does a Pentium D use? | 775 (also known as 775T) |
| What is the Intel CPU socket B also known as? | 1366 |
| What is the Intel Socket J also known as? | 771 |
| Is Socket 1150 intel or AMD? | Intel |
| What does it mean when we say that Firewire is peer to peer and USB is host based? | Firewire can communicate directly whereas USB needs a host in between |
| What is the official standard for Firewire? | IEEE 1394 |
| What are two speeds of Firewire? | 400 and 800 Mbps |
| What is the maximum number of devices that USB can support? | 127 |
| What is the maximum number of devices that firewire can support? | 63 |
| What is the difference between a memory type and a module type? | DIMM is a module and DDR is a memory type |
| How many pins does DDR have? | 184 |
| How many pins does DDR3 have? | 204 on a laptop and 240 on a desktop |
| What type of memory uses continuity modules? | Rambus |
| How many pins in a Rambus memory stick? | 184 |
| Why would you flash a system BIOS? | To update the system |
| What happens when you shadow a BIOS? | It gets copied into RAM to make it faster and easier to access |
| What is the expected voltage from a blue wire in a power supply connector? | negative 12 volts |
| What is the expected voltage from a red wire in a power supply connector? | 5 volts |
| What is the expected voltage from a yellow wire in a power supply connector? | 12 volts |
| What is the expected voltage from a white wire in a power supply connector? | negative 5 volts |
| What is the expected voltage from a orange wire in a power supply connector? | 3.3 volts |
| How many pins are on a keyboard connector? | 4 pins |
| How many pins are on a molex connector? | 4 pins |
| How many pins on a Serial ATA connector? | 15 pins |
| How many pins are on a AUX connector? | 6 pins |
| How many pins are on a PCIe power connector? | 6 or 8 pins |
| How many pins are on a EPS for a server motherboard? | 8 |
| What makes one power supply better than another? | Number of Watts, power distribution, whether it's modular, number of connectors, whether it's certified, noise, brand, etc. |
| What stores the resources of the last successful boot? | ESCD (extended system configuration data) |
| What is a cold boot? | a boot process in which the computer starts from a powerless state |
| What is a warm boot? | Reboot from power on or a soft restart |
| What is the IRQ priority order? | 0 to 2 then 8 to 15 and then 3 to 7 |
| What IRQ is used by the Real-time clock? | 8 |
| What IRQ is the system clock? | 0 |
| What is IRQ number 13? | Math coprocessor |
| What is TWAIN? | Universal translator between two devices where the devices don't need to know the details of the other |
| What is OCR? | optical character recognition |
| What interfaces can be used by a scanner? | USB, parallel, SCSI, wi-fi, serial |
| What is interpolation on a scanner? | process that the scanning software uses to increase the perceived resolution of an image |
| What are 3 types of scanner? | flatbed, sheet fed and handheld |
| What are CCDs | charged coupled device - where the information actually goes as it is scanned |
| What is an MOV? | a variable resistor |
| What would contain an MOV? | a surge suppresor |
| What is a surge suppressor protecting against? | electrical spikes and over-voltage situations |
| What component protects against a brown out? | a line or power conditioner |
| What is the difference between an SPS and a UPS? | UPS always runs the system off battery power while the SPS only switches to battery when power is lost |
| What is a BPS? | back-up power supply |
| What is the maximum speed of hi-speed USB? | 480 Mbps |
| What colour is a hi-speed USB? | black |
| What colour is a super-speed USB? | blue |
| What is the maximum speed of super-speed USB? | 5 Gbps |
| What is the maximum speed of super-speed plus USB? | 10 Gbps |
| What does a red signify on a USB port? | sleep-and-charge capabilities |
| What does a USB symbol look like? | the Devil's trident |
| What connector is used for Thunderbolt? | mini-display port |
| What is POTS? | plain old telephone system |
| What is a UART in a modem? | converts parallel to serial and serial to parallel |
| Where does the word modem come from? | modulator demodulator |
| What does it mean to demodulate? | convert from analog to digital |
| What are the 3 proprietary modem slots? | ACR, AMR, CNR |
| What is the name of the telephone connector on a modem? | RJ11 |
| Are most PCI modems hardware modems or software modems? | software |
| Are most external serial modems hardware or software modems? | hardware |
| Why can't a 56k modem achieve that speed? | because of voltage |
| What two standards govern 56k modems? | V90 and V92 |
| What type of modems pre-dated 56k modems? | 28.8k and 33.6k modems. |
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