Hardware Flashcards
What is the maximum supported cable length, in feet, for an RS-232 serial cable?
50 feet
What is the maximum supported cable length, in feet, for high-speed USB devices?
16 feet
What is the purpose of using plastic standoffs on the motherboard?
They can help with electrical grounding within a computer case.
Which four pins of a 24-pin power supply connector are for handling higher current capabilities of the processor?
Pins 11, 12, 23, and 24
What is the clock speed, in megahertz, of PC2-6400/PC3-6400 RAM?
800 MHz
Which memory component detects both single-bit and multi-bit errors in RAM?
Error Correction Code (ECC)
Which memory component can only detect single-bit errors in RAM?
Parity
Which cache is cache memory built into the processor?
L1 cache
Which cache is cache memory located on a separate chip?
L2 cache
What allows a user to connect a single keyboard, video display device, and mouse to multiple computers?
A keyboard, video, mouse (KVM) switch
Which two port types is a barcode scanner likely to use?
USB and serial
Which scanners read data based on the reflection of white spaces between black lines?
Barcode scanner
What is the purpose of a capture card?
It allows you to send a video or TV signal to your computer
Which type of network contains a computer, cell phone, personal digital assistant (PDA), or other personal device, and operated using Bluetooth, infrared, USB, FireWire connectivity?
A Personal Area Network (PAN)
What is ACPI?
Advanced Configuration and Power Interface (ACPI) is a technology that configures computers to optimize power consumption
What is the primary interface used in a tablet computer?
Touch screen
What is the maximum capacity of a 5.25-inch floppy disk?
1.2 MB
Which drive letters are used to represent floppy drives?
A: or B:
Which type of drive requires an ID to be set on the drive?
SCSI
What are the three specifications of Universal Serial Bus (USB)?
USB 1.0, USB 1.1, and USB 2.0 (also USB 3.0)
Which port is used for connecting multiple peripherals?
USB
How many leads are in a USB cable?
4
What is the data transfer speed for USB 2.0?
480 Mbps
What is the maximum length of a USB cable?
5 meters
What is the data transfer speed for USB 1.0?
1.5 Mbps
Which form factor uses a motherboard and riser combination where the motherboard and expansion devices plug into the riser card?
New Low Profile Extender (NLX)
What is the maximum number of connectors in an Integrated Drive Electronics (IDE) ribbon cable?
3
How many pins are in an Integrated Drive Electronics (IDE) ribbon cable?
40
Which connector on an IDE ribbon cable connects to a motherboard?
The blue connector on the IDE ribbon cable
Which connector on an IDE ribbon cable connects to the master drive on a computer?
The black connector on the other end of the IDE ribbon cable
Which connector on an IDE ribbon cable is used to connect to a slave drive to a computer?
The grey connector in the middle of the IDE ribbon cable
What is the data transfer speed of flat IDE ribbon cable?
5 MB/s
Which motherboard component is used to hold multiple I/O cards in a computer?
Riser cards
Which component on a motherboard is used to plug various removable cards?
Bus slots
Which high-speed channel is used for attaching a graphics card to a computer’s motherboard to assist in the acceleration of 3D graphics?
Accelerated Graphics Port (AGP)
Which component records data in a HDD?
Platter
Which component holds one or more flat circular disks in a HDD?
Spindle
Which component detects and modifies the magnetization of the HDD platter surface?
Read-and-write heads
Which component increases thermal conductivity between an integrated circuit (IC) and a heat sink?
Thermal compound
Which concept is used for designing a processor socket to prevent problems caused by applying force while inserting or extracting a processor?
Zero Insertion Force (ZIF)
When choosing between CD_ROM, DVD, and Blu-Ray disks, which media can hold the most amount of data?
Blu-Ray
Which power state should you use if you need to implement the Wake-On-LAN feature?
Standyby mode
What should you do immediately after installing the maintenance kit and replacing all consumables in a laser printer?
Reset the page count
What should you do after connecting a touch screen monitor to your computer?
Calibrate the monitor
What is an RS-232 connection?
A 9-pin serial connection
Which type of drives do not contain magnetic media?
Solid-state drives
What is the easiest method to allow two computers to use a printer that is attached to the USB port on one of the computers?
Share the printer
What do you require in order to add expansion cards to a laptop computer?
A docking station
What does a TV tuner card allow you to do?
Receive TV signals on your computer
Which RAID implementation offers no fault tolerance but fast writing speeds?
RAID 0
What is the transmisison speed of Sony/Philips Digital Interface Format (S/PDIF)?
2 to 3 megabits per second (Mbps)
Which type of connector is used in LCD monitors?
Digital Video Interface (DVI) connector
What are the three types of DVI cables?
DVI-D, DVI-A, and DVI-I
Which component of an inkjet printer sprays ink from the ink reservoir on a paper?
Nozzle
Which component of a dot matrix printer has a combination of pins that hit the ribbon, printing characters on a page?
Print head
Which tab in the Printer Properties dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?
The Device Settings tab
Which dialog box in Windows is used to set the amount of printer memory to be used by a laser printer?
The Printer Properties dialog box
What is the pin configuration for the sub-D connector type that functions as a parallel printer interface?
25-pin sub-D
Which type of IEEE 1284 cable is used for printer and device connections?
36-pin Centronics
Which component of a laser printer meters the amount of toner present on the developer roll?
Doctor blade
Which component of a laser printer acquires a deposit of toner on its surface?
Developer roller
Which component of a laser printer is responsible for transferring the toner to the paper from drum?
Transfer roller
Which laser printer component charges the paper?
Transfer corona
Which component is charged by the transfer corona transferring high negative voltage to it?
The drum
Which type of ventilation is appropriate for an ideal environment to operate a laser printer?
Filtered ventilation
Which type of floor is an ideal environment to operate a laser printer?
Tilled floor
Which type of thermal transfer printer melts sticks of colored ink before a drum can transfer the ink to the media?
Phase-change printer, also referred to as solid ink printer
Which type of printer transfers ink to the media similar to the action of a typewriter?
Impact/Dot-matrix printer
Where should you search for instructions on servicing a scanner or printer?
On the vendor’s web site or in the printer’s manual
Why should you only use laser toner cartridges from the printer’s manufacturer?
To ensure optimum performance of your printer and to prevent problems caused by third-party cartridges
Which component of laser printer is used by the laser light to write an image?
Drum
Which type of printer uses a drum as a component?
Laser printer
Which type of printer prints a document by selectively heating a coated paper?
Thermal printer
What types of paper is used by thermal printers?
Thermochromic paper
Which component of a thermal printer is used to feed the special paper to the printer?
Platen
Which component of a thermal printer generates heat to be used to print on the special paper?
Thermal head
Inkjet printers use which three main technologies?
Thermal, piezoelectric, and continuous
Which printer uses a print head containing a number of metal pins?
Impact printer
Where is the inkjet ribbon placed in the impact printers?
Between the paper and the print head
How many types of print heads are there for an impact printer?
Four
Which four types of print heads are there for an impact printer?
7 pin, 9 pin, 18 pin, and 24 pin
Which print head in a dot-matrix printer will produce higher resolution?
24 pin
Which printer has the lowest printing cost per page?
Impact printer
What are the two main categories pf printers?
Impact and non-impact
What are the three most common forms of impact printers?
Dot-matrix, daisy-wheel, and line printers
Which powdery substance is used to print text and graphics in laser printers?
Toner
Which printer prints by placing small dots of ink on a page to reproduce text or graphics?
Inkjet printers
Which feature acts as a dam, holding the data and then releasing it at a speed the printer can handle?
Print buffer
Which feature allows a user to delete a print job being processed or otherwise manage the print jobs currently waiting to be printer?
Print spooler
What will determine the amount of documents that can be stored on the printer?
Print buffer
Which device in an inkjet printer sprays droplets of ink onto a sheet of paper while printing?
Print head
Which service tells the spooler to alter a job according to the document data type?
Print processor
Which printer can print on continuous paper?
dot-matrix printer
Which printer uses a print head that runs back and forth on the page and prints by impact?
Dot-matrix printer or impact-matrix printer
Which printer can create carbon copies?
Dot-matrix printer
Why can a dot-matrix printer create carbon copies?
Because the printing involves mechanical pressure
Which language was created by HP to provide an efficient way to control printer features across many different printing devices?
Printer Common Language (PCL)
Which structure controls all of the printer’s features except those used for vector graphics?
Printer Command Language (PCL)
Which commands are embedded in the print job before being sent to the printer?
Printer Common Language (PCL)
How many modes of operation are specified under the IEEE 1284 standard?
5
Which type of printer cable is used in the IEEE 1284 standard?
Parallel cable
What are the three types of IEEE 1284 parallel port connectors?
IEEE 1284-A (Type A) - standard DB25 connector
IEEE 1284-B (Type B) - standard 36 pin Centronics style connector
IEEE1284-C (Type C) - a high density 36 pin connector
Which action will reduce the printing time without compromising quality when printing images from a color laser printer?
Upgrade the memory
Which printer produces raster images?
Laser printer
Which non-impact printer prints an entire page at once?
Laser printer
Which part of a laser printer helps melt the toner onto the medium?
Fuser
What applies heat pressure in a laser printer to ensure that toner stays on the paper permanently?
Fuser
When should the corona wire be cleaned normally in a laser printer?
While replacing the toner cartridge
Which assembly puts a positive charge on a paper that helps toner transfer to the paper?
Corona assembly
On which component of a laser printer is an electrostatic image of a document created?
Drum
Which feature of a printer stores output from a computer until it can be printed?
Printer buffer
Which feature of a printer accepts output from one or more computers and sends the output to printer for printing?
Printer buffer
Which printer capability ensures that a printer is ready to print documents?
Printer BIOS
Documents printed using which type of printer should not be used for archiving purposes?
Thermal printer
Which type of printer uses water-soluble ink droplets to print a document?
Inkjet printer
Which type of printer uses xerographic technique to print a document?
Laser printer
Which type of printer is typically best for applications that require a multipart form?
Dot-matrix
Which printer uses special paper and ink that degenerates over time?
Thermal printer
What supplies the ink in a dot-matrix printer?
Ribbon
How many pins do letter-quality dot matrix printers have in the print head?
24
How many pins do normal quality dot matrix printers have in the print head?
9
Which ports can be used to connect a printer to a computer?
USB, serial, parallel
What is the maximum data transfer speed for LPT1 port?
150 KB/s
What should you do to install a printer on a computer running Windows XP?
Run the Add New Printer wizard
What writes the image on the drum in a laser printer?
Laser light
Which Windows service loads files to memory for later printing?
Print spooler
Which Windows OS wizard should you use to install a printer or make printer connections?
Add Printer Wizard
Which Windows XP feature allows you to add a second monitor to your portable computer to expand the display across both the monitors?
Dualview
Which component of an inkjet printer supplies power to the rollers and ensures that the paper moves at that precise speed at which a continuous image or text is printed out without any gaps or breaks in the printout?
The paper feed stepper
Which common types of interface ports are used by an inkjet printer to connect with other devices?
USB, parallel, serial, and Small Computer Systems Interface (SCSI)
Which plug-and-play external device interface on a workstation provides the fastest printing speed?
USB 2.0
In ascending order, rank which ports are the fastest to print from.
From slowest to fastest:
•Serial
•Parallel
•USB
In order from slowest to fastest, rank which USB ports are the fastest to print from.
From slowest to fastest: •USB 1.0 •USB 1.1 •USB 2.0 •USB 3.0
Which Windows utility searches a computer for unnecessary files and allows you to remove those files safely?
Disk cleanup
