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
Where should you check to determine the size of the HDD supported by your laptop?
On the laptop manufacturer’s website or inside the laptop’s case.
What will happen if the LCD inverter board is faulty in a portable computer?
The display will not work or will be dim.
What will happen if the LCD backlight is faulty in a portable computer?
The portable computer display will be dim or dark.
What battery type is used with laptops?
Lithium-Ion
What is the size of a PCMCIA Type I card?
3.3 mm
What is the size of a PCMCIA Type II card?
5.5 mm
What is the size of a PCMCIA Type III card?
10.5 mm
What are the width and the length of the PCMCIA type cards?
54.0 mm wide and 85.6 mm long
Which cards can be installed in PCMCIA Type III slots?
One Type III card or any combination of two Type I or II cards.
What is the common name for PC cards in laptops?
PCMCIA
Which feature in a computer or a laptop allows you to remove and replace components without reboot?
Hot swappable
Which 6 protocols support hot swapping of external devices?
PCMCIA, USB, FireWire, Fibre Channel, SATA, and SAS
Which laptop HDD interface does not support hot swapping?
PATA
Which type of computer uses PCMCIA?
Laptops
Which two common types of IDE interfaces are used in a computer?
Parallel and Serial ATA
Which version of IEEE1394 is also called FireWire 800?
IEEE 1394b
What is the use of the Network Device Switch utility in laptop computers?
The Network Device switch utility activates or deactivates the networking inside the operating system
Which type of laptop has a Wi-Fi switch to activate or deactivate hardware?
Laptops with an integrated wireless hardware
Which keyboard key works like a Shift key to activate the second function of a dual-purpose key?
Fn (Function)
Which two keys combination on a laptop should you use to also enable an external monitor with the laptop?
Fn + screen key
What should you check before purchasing a hardware device for your Windows computer?
Hardware compatibility list (HCL)
How many pins are in a PS/2 mouse connector, also known as a mini-DIN 6 connector?
6
What can be described as an opto-mechanical mouse turned upside down?
Trackball
Which type of battery has the longest life?
Lithium Ion
What is the minimum distance you should have between a portable computer and an electrical appliance that generates a strong magnetic field, such as a microwave oven?
13 cm
If you shut down your portable computer, what is the minimum time you should wait before restarting?
30 seconds
What are three main types of batteries that are used in portable computers?
Nickel-cadmium (Ni-Cd), Nickel Metal Hydride (Ni-MH), and Lithium Ion (LI-ion)
Which interface on a portable computer will an IEEE 1394 able connect to?
S400 interface for IEEE 1394
Which type of standard that was originally designed for portable computers is used for attaching peripheral devices to a motherboard and is an adaption of the Peripheral Component Interconnect (PCI) bus?
MiniPCI
How does a lower clock speed on a portable computer, as compared to a desktop, affect the front-side bus?
The lower clock speed in a portable computer means that there is a lower multiplier. This enables the front-side bus to be increased to a higher level before the overclocker runs into a clock-speed barrier.
What are some differences between portable and desktop computers, other than size?
Portable computers have lower voltages, lower clock speeds, produce less heat, and use less power
When will a user know that the lithium-ion battery of a portable computer has worn out?
The battery charge depletes before the documented backup time
What is the size of Type II Personal Computer (PC) card that is used in portable computers?
5 mm
What is the size of Type III Personal Computer (PC) card that is used in portable computers?
10.5 mm
Which power connector is used by Parallel Advanced Technology Attachment (PATA) drive in portable computers?
The Four-pin Molex connector
Which types of computers use memory cards?
Portable computers
Which CPU technology issued in portable computers to reduce platform power and cap thermal dissipation of the computer?
CPU throttling
Which wireless technology allows a portable computer to communicate with other devices, such as a mouse, printer, or modem, using the least amount of power?
Bluetooth
Which Windows feature allows you to preserve your portable computer batteries by saving the contents of memory to the disk so they will be available the next time you log in?
The Hibernate feature
Which component of a computer motherboard stores the BIOS password?
CMOS chip
Which type of RAM is commonly used by a video adapter that dows not share the memory bus of the computer’s RAM?
video RAM (VRAM)
Which two voltages are supported by a Molex connector in a desktop computer?
+5 V and +12 V
What is a disk array?
A system consisting of multiple drives that usually operate as a single entity
What should an IT technician be aware of when attaching a device to a Micro-ATX motherboard?
The number of slots
Where is thermal compound commonly applied in a computer?
Between the CPU and the heatsink
Which type of CPU socket is used by Pentium III and Celeron processors and is a replacement for the Slot 1 CPU interface?
Socket 370
Which type of edge connector is used by early versions of the AMD Athlon processor?
Slot A
How many pins are in a Slot 1 connector that is used to plug a Single Edge Contact (SEC) cartridge into a motherboard?
242 pins
Which edge connector is used to plug a Single Edge Contact (SEC) cartridge to a motherboard?
Slot 1
To which slot can an Accelerated Graphics Port 8x (AGP 8x) card be connected?
1.5 V
How many types of Accelerated Graphics Port (AGP) physical interfaces are there?
Two
Which three computer components must support Ultra ATA?
HDD, motherboard or add-on controller, and OS
Which operating systems do not support Ultra DMA?
DOW, MacOS, and NetWare
What is the purpose of the small hole on front of a CD drive?
It ejects the drive manually
How would you determine which type of RAM is required in a computer?
Open the case to verify the type of RAM
What is the maximum recommended length for an IEEE 1394 FireWire cable?
4.5 meters or 15 feet
What are the maximum data transfer speeds offered by 2x, 4x, and 8x Accelerated Graphics Port (AGP) bus devices?
2x - 533 MBps
4x - 1.07 GBps
8x - 2.1 GBps
What is level 1 cache?
A small, high-speed cache incorporated right onto the processor’s chip
Which file system supports encryption and the largest partition size?
NTFS
What command do you type at the command prompt to clear the display?
CLS
What is the term for the smallest amount of disk space that can be allocated to hold a file?
A cluster
In terms of cluster size, the _____ file system is more efficient than the _____ file system.
The NTFS file system is more efficient than the FAT32 or FAT16 file systems.
What type of magnetic media can be taken off site and can back up several gigabytes of storage?
Digital Linear tape
Which computer component has the fastest throughput when accessing data?
Random Access Memory (RAM)
How many IDE devices can be installed on a typical ATX computer?
4
Which standard governs IDE hard drives?
Advanced Technology Attachment (ATA)
What is the maximum number of HDDs that can be connected to a single IDE cable?
2
Which type of current does a computer receive when you plug the computer into the wall?
Alternating current (AC)
Which connection type supports Enhanced Capabilities Port (ECP) for printers?
IEEE 1284
Enhanced Capabilities Port (ECP) and Enhanced Parallel Port (EPP) are part of which IEEE standard?
IEEE 1284
Which parallel port technology requires the use of a Direct Memory Access (DMA) channel?
Enhanced Capabilities Port (ECP)
Which IEEE 1284 bi-directional parallel port mode was designed for new generations of printers and scanners?
Enhanced Capabilities Port (ECP)
Which IEEE 1284 bi-directional parallel port mode is used primarily for non-printer peripherals, such as external CD-ROM and tape drives?
Enhanced Capabilities Port (ECP)
Which type of connector is used for a parallel printer port?
IEEE 1284
Which items are tested during POST test?
Memory, CPU, and if the computer has one, the video card
What is the name of the test that the computer performs at startup to test the memory and the CPU?
Power-On Self Test (POST)
Which type of memory is used in display adapters?
Video Random Access Memory (VRAM)
What are the 4 types of VRAM?
- Synchronous Graphics RAM
- Window RAM (WRAM)
- Multibank Dynamic RAM (MDRAM)
- Rambus Dynamic RAM (RDRAM)
What should you do to prevent damage to electrical components from voltage fluctuations and surges?
Connect the computer to a Uninterruptible Power Supply (UPS)
Which device contains a battery and Automatic Voltage Regulation (AVR) circuitry to protect a computer from power sags?
Uninterruptible Power Supply (UPS)
Which UPS feature provides protection from power surges and power drops?
Automatic Voltage Regulation (AVR)
What are the three most common motherboard form factors?
- Advanced Technology (AT)
- Advanced Technology Extended (ATX)
- New Low Profile Extended (NLX)
Which type of power connector is used in Advanced Technology Extended (ATX) motherboards?
20-pin power connector
Which motherboard form factor has Random Access Memory (RAM) expansion slots located at 90 degree angles to the Industry Standard Architecture (ISA) and Peripheral Component Interconnect (PCI) expansion slots?
Advanced Technology Extended (ATX) motherboards
Which port type operates at 12 Mbps and is used to connect multiple devices to a computer?
USB 1.1
Which component converts AC current to the DC voltage that a computer uses to operate?
Power supply
What are the five IEEE 1284 data transfer modes used for parallel ports?
- Compatibility mode
- Nibble mode
- Byte mode
- Enhanced Parallel Port (EPP)
- Enhanced Capabilities Port
What are the maximum data transmission speeds for the IEEE 1395 standards?
- 1394a - 400 Mbps
* 1394b - 800 Mbps
What should you do to determine the master and slave drives in a computer that has two drives installed on a primary IDE controller?
Check the jumper settings
Which Interrupt Request (IRQ) is reserved for primary IDE controller?
IRQ 14
Which Interrupt Request (IRQ) is reserved for secondary IDE controller?
IRQ 15
What type of UPS is used to convert AC to DC and converts the DC back to AC?
Dual conversion online UPS
What should you do to prevent your computer from increased voltage or brownouts?
Use a UPS
What are three categories of modern UPS?
- Online
- Line interactive
- Standby
What are the two commonly used central processing unit (CPU) cooling methods?
- Heat sink
* Fan
What is mapped at address rang A0000 to BFFFF (128 KB)?
Video RAM (VRAM)
What type of RAM is used to store image data for processing?
Video RAM (VRAM)
What two types of memory are dual ported?
- Windows RAM (WRAM)
* Video RAM (VRAM)
Where should you place the terminators on a computer that has one internal SCSI device, one external SCSI device, and one SCSI adapter?
Place a terminator on the internal SCSI device and a terminator on the external SCSI device
What should be the SCSI ID of the bootable device?
0
Which keyboard function key is used to refresh the desktop on a computer running Windows XP?
F5
Which keyboard function key is used to rename a file?
F2
Which keyboard function key is used to open help for a particular program on a computer running Windows XP?
F1
Which Interruptible Request (IRQ) is used for SCSI controllers?
IRQ 9
What should you do before installing SCSI devices?
Assign a unique ID to each SCSI device
What cable is used to connect SCSI devices to a computer?
50-pin ribbon cable
Which types of SCSI are used to connect 16 devices on a single SCSI cable?
Ultra Wide SCSI and Fast Wide SCSI
What is the data transfer rate of Fast Wide SCSI?
20 MBps
Which HDD component moves across the hard disk assembly to read the disk?
Head actuator
How are memory slots and expansion slots situated on an Advanced Technology Extended (ATX) motherboard?
At a right angle to each other
Which component on a motherboard supports slower devices, such as USB ports, IDE drives, and ISA slots?
South Bridge
Which hardware component is installed using the Pin Grid Array (PGA) architecture in a motherboard?
CPU
Which two wires from an AT power supply should be adjacent to each other on a motherboard?
Black wires
Which processor is used with Socket 370?
Pentium III processors
Where can you enable or disable the Hyper-Threading feature?
BIOS
What are the two types of S-video connectors available?
- mini-DIN 4
* mini-DIN 7
Which display type takes more space on a desk: an LCD or a CRT monitor?
CRT
How many pins are in a serial port DB-9 connector?
9
How many pins are in a parallel connector?
25
What type of connector is used to connect a joystick?
Game controller with 15 pins
How many pins are in an AT keyboard connector, also known as a Din 5 connector?
5
What are the three ways to connect a CRT or LCD panel to a computer system?
- Add-on video cards
- Video-only chipset on the motherboard
- motherboard chipset with integrated video
What are the basic components that are included in all video display adapters?
- Video BIOS
- Video processor
- Video memory
- Digital-to-analog converter (DAC)
- Bus connector
- Video driver
What is used by video adapters to store video images while the images are processed by the video adapter?
Video RAM (VRAM)
Which type of removable storage media uses a solid-state memory chip that requires no power to maintain its contents?
Flash memory media
Which memory technology is used by the Secure Digital (SD) card?
Flash memory technology
Which flash memory device provides encrypted storage of data?
Secure Digital (SD)
Which flash memory device contains a mechanical write-protection switch?
Secure Digital (SD)
What is a flash memory (non-volatile) memory card format used in portable devices, including digital cameras?
Secure Digital (SD)
In which unit is the amount of power output from a power supply measured?
Volts
What are the typical voltages output by the power supply unit in a PC?
- +3.3 volts
- +5.0 volts
- +12.0 volts
In addition to +3.0 volts, +5.0 volts, and +12.0 volts, which voltages are found on an ATX power supply?
- -12 volts
* -5 volts
Which two connectors used by a Pentium IV motherboard are NOT found in a standard ATX power supply?
A +12 volt connector with 4 pins and a +3.3/5 volt connector with 6 pins
Which PC devices use a voltage of +3.3 volts from a power supply?
- Chipsets
- DIMMs
- PCI/AGP cards
- Second Generation Pentium processors
What is the maximum number of devices that can be daisy-chained together with a USB?
127
How many Interrupt Requests (IRQ) does a USB bus use if multiple devices are attached to the USB bus?
One IRQ
Which type of USB hub should you use to avoid running out of power when connecting USB devices?
A self-powered hub
What is the maximum length for a cable using USB 2.0?
5 meters
Which type of socket design has a lever that allows easy installation and removal of a CPU on a motherboard?
Zero Insertion Force (ZIF)
Which type of CPU sockets are used for Intel Xeon processors?
Socket 603 and Socket 604
Which type of CPU socket eliminates the risk involved in installing or removing a processor by allowing you to install a CPU without requiring force, and to extract the CPU without requiring any tool?
Zero Insertion Force (ZIF) sockets
Which component should you use to improve the efficiency of a heat sink by up to 30 percent?
Thermal grease
Which unit is typically used to measure the amount of RAM in a computer?
Megabyte (MB) or gigabyte (GB)
Which RAM characteristic is expressed in nanoseconds (ns)?
Access or cycle time
Which bus determines the amount of RAM that a processor can access?
Address bus
Which type of RAM uses capacitors that need to be refreshed?
Dynamic Random Access Memory (DRAM)
Which type of RAM uses only transistors and does not need to be refreshed?
Static Random Access Memory (SRAM)
Which type of RAM supports integrated circuits (ICs) on one side of the card and must be installed in pairs?
Single In-line Memory Module SIMM (SIMM)
Which type of non-volatile memory enables users to easily update the ROM or firmware in their motherboards?
Flash memory
Which type of RAM achieves a doubling in performance by transferring twice per transfer cycle instead of by doubling the actual clock rate?
Double Data Rate (DDR) SDRAM
What are the three types of memory modules that are typically used in modern computers?
- Single In-line Memory Module (SIMM)
- Double In-line Memory Module (DIMM)
- Rambus In-line Memory Modulke (RIMM)
What is the clock speed of a PC600: 16-bit single channel RIMM?
300 MHz
What is the approximate clock speed of a RAM labeled DDR533?
266 MHz
What is the approximate transfer rate of a RAM labeled DDR533?
4,266 Mbps
What is the approximate clock speed of a RAM labeled PC1200?
600 MHz
Which type of computer software is also known as “firmware”?
ROM BIOS
Which firmware is used to start the system when the computer is turned on?
ROM BIOS
What is the maximum data transfer speed for USB 1.1 technology?
12 Mbps
Which ports are known as high-speed communication ports that outstrip the capabilities of older standard serial and parallel ports?
USB 2.0, IEEE 1394a, IEEE 1394b
What is the default size of L2 cache?
256 KB
Which type of RAM uses the front-side bus?
Double Data Rate (DDR) RAM
Which interrupt does the real-time clock use?
IRQ 8
What is the commonly used form factor for computer case and motherboard design?
The Advanced Technology Extended (ATX)
Which form factor standard was used before the Advanced Technology Extended (ATX) standard?
The Baby AT form factor
Which motherboard form factor standard is used for high-end, multi-processor, multi-hard disks servers and comptuers?
Workstation Technology Extended (WTX)
When a portable computer is in Standby mode, which component maintains power to documents and applications?
RAM
Which feature allows a computer to use hard disk space as RAM?
Virtual memory
Which type of memory has a metal jacket referred to as a “heat spreader” to dissipate the excess heat that is generated from the high-speed operation of the memory chips?
Rambus In-line Memory Module (RIMM)
What is the minimum number of DIMM memory modules requires for DIMM memory to work in a computer?
1
What is the width, in bits, of a 30-pin SIMM that is used in a portable computer as a video card?
8 bits in width
How many pins are on a DIMM?
168 pins
Besides 30 pins, what is the most common number of pins in a SIMM?
72 pins
Which type of RAM technology requires the installation of a continuity module n a socket that does not contain RAM?
RIMM
How many bits of data does a 72-pin SIMM transfer at a time?
32 bits of data
How many bits of data does a non-parity 168-pin DIMM transfer at a time?
64 bits of data
How many bits of data per cycle are used by the second generation of Double Data Rate (DDR) SDRAM?
4
Which type of device requires bus mastering?
PC card
Which driver supports Copy Protection for Recordable Media (CPRM) using a pass-through mechanism?
The SD bus driver
After Advanced Technology Extended (ATX) became a standard, what was the maximum number of heads supported by a HDD?
256
How many pins are in a USB connector?
4
How many pins are in a Mini-USB connector?
5
Which Interrupt Request (IRQ) is used to install the CD-ROM?
IRQ 15
What is the maximum length of Parallel Advanced Technology Attachment (PATA) cable wire?
45 cm
What is the default input/output (I/O) address for COM1?
03F8 - 03FF
What is the default input/output (I/O) address for COM4?
02E8 - 02EF
Which type of serial cable should you use to send the debugging information to another computer?
A COM2 cable
What is the default input/output (I/O) address for COM2?
02F8 - 02FF
What should be selected as the first boot device in the BIOS boot sequence if you require booting from a CD-ROM?
CD-ROM
What are the three basic requirements to use a USB keyboard with a computer?
USB port, USB keyboard driver, and the BIOS should also feature the USB legacy support
Which interrupt support should you enable in the BIOS to use a bootable CD-ROM device?
INT 13h
Where can you change the boot sequence for a computer?
Int he BIOS setup utility
Which utility should you use to specify the Num Lock status imposed during the boot?
BIOS setup utility
What does a system run when a PC is first powered on?
Power-On Self Test (POST)
What are the two alternate methods to diagnose errors that occur during the POST even before the video card is initialized?
Beeping and a typical POST card
What is the transfer rate in bits per second of a 56K modem?
56,000 bps
Which device is used to convert digital data to analog data for transmission over regular phone lines?
A modem
Which command-line utility is used to format a hard drive?
format
Which component is used to configure the bus frequency and frequency multiplier on older motherboards?
A jumper
What is the storage capacity of a 3.5” high-density floppy disk?
1.44 MB
How many pins are in a floppy disk cable?
34
What physical characteristic is present in the cable of a floppy drive connector?
A twist
How many pins are in a super VGA connector?
15 pins
Which adapter provides interface between your computer and your monitor and transmits the signals that appear as images on the display?
Video Display Adapter
