Installing and Supporting I/O Devices
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| USB Ports Advantages | Faster than serial or parallel ports, Use higher-quality cabling, Power drawn from USB port AND Ports available on case front or rear
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| Three versions of USB ports | Version 1.1, Version 2.0, Version 3.0
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| USB Ports can daisy chain can support | 127 USB devices
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| USB cable wiring support | Four wires: two for power, two for communication
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| USB cable length for Original USB up to | 3 meters
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| USB cable length for Hi-Speed USB: up to | 5 meters
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| Which is faster, an eSATA port or a FireWire 800 port? | eSATA
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| What is the speed for Hi-Speed USB? | 480 Mbps
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| How many times faster is a Hi-Speed USB port than an Original USB port running at 12 Mbps? | 40 times faster
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| How many times faster is a FireWire 800 port than a FireWire 400 port? | Twice as fast
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| Which USB port is square and which USB port is flat and wide? | The A-Male connector is flat and wide, and the B-Male connector is square
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| Does Windows XP without any service packs applied support Hi-Speed USB? | No
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| How many pins does a FireWire 800 port have? | 9 pins
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| Which parallel port standard uses a DMA channel? | ECP
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| How many pins does the most common type of serial port have? | 9 pins
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| What type of wireless transmission requires a line of sight clearance? | Infrared
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| Which is better for your eyes, a monitor that supports 75 Hz refresh rate or one that supports 60 Hz refresh rate? | 75 Hz is better on your eyes
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| For an LCD monitor, what is the best resolution to use? | The native resolution
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| Which type port gives the best output, a composite out port or an S-Video port? | An S-Video port
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| What command do you use to find out what version of DirectX your video card is using? | Dxdiag.exe
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| Name three type ports a keyboard might use | DIN, PS/2, USB
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| What two types of ports might a touch screen use? | USB or serial
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| which Windows utility is most likely the one to use when uninstalling an expansion card? | Device Manager
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| If ECP mode does not work on your parallel port, what should you do next? | Try EPP mode
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| Why is it best to leave a slot empty between two expansion cards? | To improve air flow
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| If you are installing Windows on a hard drive that is managed by a RAID storage controller card, when and how do you install the RAID drivers? | At the beginning of the Windows installation by pressing F6 or load driver and then providing the drivers on a USB drive or floppy disk.
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| If a monitor displays wrong characters, which device is likely to be the problem? | The video card
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| What is the display resolution for standard VGA settings? | 640 x 480
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| What key do you press at startup to display the Vista Advanced Boot Options window? | F8
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| You turn on your Windows Vista computer and see the system display POST messages. Then the screen turns blue with no text. Which of the following items could be the source of the problem? | Windows
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| FireWire (IEEE 1394) ports Also called FireWire or i.Link | Use serial data transmission, are hot-pluggable, and supports up to 63 FireWire devices daisy chained
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| Three versions of FireWire (IEEE 1394) ports | 1394a, 1394b, 1394c
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| FireWire or i.Link use isochronous data transfer, meaning that | Data transferred continuously without breaks
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| Serial Ports sometimes called RS-232c, DB9 and DB25 | Transmit data in single bits
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| Parallel ports simultaneously transmit | 8 bits of data
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| Three versions of Parallel port | Standard parallel port (SPP) Enhanced Parallel Port (EPP)Extended Capabilities Port (ECP)
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| Infrared transceivers, also called IrDA (Infrared Data Association) or IR transceiver | Provide infrared port for wireless communication
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| Two categories Display Devices are | CRT (cathode-ray tube)and LCD (liquid crystal display)
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| Degauss CRT monitor to eliminate | accumulated or stray magnetic fields
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| Projectors | Native resolution of XGA 1024 x 768
Connects to PC via 15-pin video port or S-Video port. Function key activates projector on notebooks
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| Ports provided by video cards | 15-pin VGA, DVI used by LCD monitors, Composite out port: RGB mixed in the same signal, S-Video (Super-Video): sends two signals over cable, HDMI
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| Windows Vista Aero requirements | 128 MB video memory, DirectX 9 or higher, Windows Display Driver Model (WDDM)
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| DirectX diagnostics program: dxdiag.exe | Displays information about hardware. Helps diagnose problems with DirectX
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| Selection considerations of expansion cards are | Card features. Bus slot required.Operating system compatibility.Hardware resources required like
Processor, RAM, free hard drive space. Application software compatibility
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| Four connections methods for a Keyboard and Mouse | 5-pin round DIN connector. 6-pin PS/2 connector (mini-DIN). USB port. Wireless connection
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| Barcode reader interface methods | Wireless connection, serial port, USB port, keyboard port
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| Keyboard, Video, and Mouse (KVM) switch allows use of | One keyboard, mouse, and monitor for multiple computers
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| Keyboard, Video, and Mouse (KVM) switch support | 2 to 16 computers
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| Device Manager(devmgmt.msc) | Primary Windows tool for managing and monitors hardware
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| To access Device Manager(devmgmt.msc) in Windows Vista | Click Start, right-click Computer, select Properties on the shortcut menu, Click Device Manager on the System window and respond to UAC box
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| To access Device Manager(devmgmt.msc) in Windows XP | Click Start, right-click My Computer, select Properties from the shortcut menu, select Hardware tab from the System Properties window, click Device Manager
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| Tasks available in Device Manager | Uninstall a device. Obtain more device information. Run diagnostics to test a device or report problems. installed drivers, update drivers, undo a driver update, disable, or enable a device
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| BIOS setup recognizes the port or slot NOT | the device or expansion card using that slot
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| Troubleshouting a port problems | Verify port enabled in BIOS setup. Check Device Manager to verify the port is recognized without error
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| Configuring parallel ports | Keep ECP default setting (DMA3). BIOS manages interrupt request (IRQ) lines
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| Device Manager Line Printer Terminal (LPT) assignments (LPT1, LPT2) | Parallel port system resources to manage print job
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| serial ports 3F8 and 2F8 indicate | I/O addresses used by the ports in the properties box for the port on the Port Settings tab in Device Manager
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| serial ports IRQ4 and IRQ5 indicate | Lines the port uses to hail the CPU in the properties box for the port on the Port Settings tab in Device Manager
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| Installing and Configuring Adapter Cards initial tasks | Verify card fits an empty expansion slot. Verify correct device drivers for the OS. Back up important data not already backed up. Know your starting point
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| General directions to install an adapter card | Read the documentation. Replace onboard port and disable port in BIOS setup. Anchor card to top of the slot
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| How to install a FireWire controller card | Follow general directions to install the card. Windows automatically detects card and Installs its own embedded Windows IEEE 1394 drivers and Verify installation with Device Manager
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| Configuring Adapter Cards possible problems Whining sound at power up: | Inadequate power supply
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| Configuring Adapter Cards possible problems. Black screen at power up: | Disable onboard in port in BIOS setup
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| Configuring Adapter Cards possible problems.Series of beeps at power up: | Reseat card and check slot
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| Configuring Adapter Cards possible problems when Windows starts. conflict in onboard video and video card and Games crash or lock up: | Update motherboard, video card, sound card drivers, update DirectX, and apply game patches
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| Requirements for installing two video cards | Motherboard supporting SLI or CrossFire with two PCIe x16 slots and two matching video cards
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| Troubleshooting Keyboards who has a few keys do not work | Dislodge debris
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| If a keyboard does not work at all | Check the cabling, swap with a known good keyboard
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| If a PS/2 keyboard does not work | Try a USB keyboard
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| If Coffee, sugary drinks spilled on the keyboard | Replace keyboard or Try rinsing keyboard in water and reinstall after it dries
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| If Power light (LED) does not go on; no picture in Monitors or Video Cards | Verify monitor and cord plugged in and tight connection and Look at fuse, volt switch selection, and video card
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| If power light (LED) is on, no picture on power-up in Monitors or Video Cards | Check contrast, brightness,and backlight adjustments.Check cables, reseat card, inspect for chip creep, disable video ROM shadowing, test RAM, and look for Windows issues. For notebooks try connecting a second monitor
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| If power is on, but monitor displays the wrong characters | Exchange the video card or Exchange the motherboard
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| If the Monitor flickers, has wavy lines, or both | Check the cabling and refresh rate, Press degauss button or Check for items with high electric noise
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| No graphics display or screen goes blank on a Monitors and Video Cards | Replace video card. Update drivers. Add video RAM
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| Screen goes blank 30 seconds or one minute after the keyboard is left untouched on a Monitors and Video Cards | Enter BIOS setup and look for an Power Management option
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| If Poor color display on a Monitors and Video Cards | Fine-tune the color. Exchange video cards. Install additional video RAM.Check for interference.
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| If Picture out of focus or out of adjustment on a Monitors and Video Cards | Change LCD to native resolution. Make adjustments with display utility. Check adjustment knobs. Change the refresh rate
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| Display settings make the screen unreadable on a Monitors and Video Cards | Return to standard VGA settings using Safe mode. Resolution of 640 x 480
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| Input devices include: | Keyboard, mouse, touch screens, barcode readers, and biometric devices
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| A serial port is provided by the motherboard or might be provided by an adapter card called an | I/O controller card
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| The controller logic on a motherboard that manages serial ports is called | UART (Universal Asynchronous Receiver-Transmitter)
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| A type of display in which the electronic beam of a monitor draws every other line with each pass, which lessens the overall effect of a lower refresh rate | Interlaced
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| A type of display in which the electronic beam of a CRT monitor draws every line on the screen with each pass | Noninterlaced
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| A device used to house and protect a hard drive outside the computer case and connect it to an eSATA, USB, or other type port on the computer is called | hard drive dock or Toaster
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| is obout ten times faster than Hi-Speed USB and roughly five times faster than FireWire 800. | SuperSpeed USB
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