chapter 1 IT1 versi 4.1

1    Which two characteristics are determined by the chip set on a motherboard? (Choose two.)
    *maximum amount of memory that can be installed
    operating system compatibility
    *type of connectors that will be on the motherboard
    keyboard layout

2    Which two activities are normally controlled by the Northbridge part of the chip set? (Choose two.)
    communication between the CPU and the I/O ports
    *access to the RAM
    communication between the CPU and the hard drive
    *access to the video card
    communication between the CPU and the sound card

   
3    Which CPU architecture uses a small set of instructions that are designed to be executed rapidly?
    CISC
    RAID
    *RISC
    RISK
    SCSI


4    Which type of memory is unable to have the contents modified?
    DRAM
    RAM
    *ROM
    SRAM


5    Which type of memory is primarily used as cache memory?
    DRAM
    RAM
    ROM
    *SRAM
   

6    Which three devices are considered output devices? (Choose three.)
    fingerprint scanner
    *headphones
    keyboard
    *monitor
    mouse
    *printer


7    Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?
    *EEPROM
    EPROM
    PROM
    ROM


8    Refer to the exhibit. Which type of cable is shown in the graphic?
    FireWire
    Parallel
    *Serial
    USB


9    Which important feature is offered by the USB standard?
    A single USB connection to a computer can support up to 255 separate devices.
    It offers rates of around 580 Mb/sec in low-speed mode.
    It allows up to 920 Mb/sec in the 2.0 version.
    *It can supply power from the computer to devices.


10    What are the two connector types for the 1394a interface? (Choose two.)
    2-pin
    *4-pin
    *6-pin
    8-pin
    9-pin
    15-pin


11    Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?
    DMAs
    I/O addresses
    *IRQs
    memory addresses


12    Which two devices are considered input devices? (Choose two.)
    *biometric authentication device
    printer
    *digital camera
    projector
    speakers


13    A technician needs to back up 4 GB of data using a single storage medium. Which medium can hold the entire 4 GB on a single disc?
    floppy disc
    CD-RW
    CD-R
    *DVD+/-R


14    A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed?
    *revolutions per minute
    gigabytes
    pages per minute
    clusters per minute

  
15    Which two form factors are commonly used to build a new computer? (Choose two.)
    *BTX
    NLQ
    *ATX
    CLV
    ECC


16    Which two characteristics of a motherboard can be determined by the form factor? (Choose two.)
    type of processor supported
    color
    *size
    maximum memory supported
    *shape


17    PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.)
    6
    *40
    68
    *80
    120


18    How many conductors are found in a SATA data cable?
    3 
    4
    *7
    10
    12


19    Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.)
    *IRQ
    *DMA
    UDP
    *I/O address
    USB
    PnP


20    Which two categories are used to classify CPU architecture? (Choose two.)
    ATX
    BTX
    *CISC
    PnP
    *RISC
    ZIF

   
21    Which technology would be best to use for drive redundancy and data protection?
    CD
    DVD
    PATA
    *RAID
    SCSI


22    Refer to the exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system?
    8x
    3 GB
    2.0 GHz
    1919 MB
    *1280 x 800
    13.35 x 9.57


23    Which type of RAM chip has the fastest clock rate but consumes the least power and generates the least heat?
    RDRAM
    DDR SDRAM
    DDR2 SDRAM
    *DDR3 SDRAM


24    What is the function of a capture card?
    provides a connection to multiple storage devices
    enables 32-bit or 64-bit redundant connections to the computer
    *enables a video signal to be recorded to the computer hard drive
    connects to a TV source and enables the TV signals to be watched but not recorded on a computer


25    Which expansion slot would be used to install a video capture card in a new computer?
    Advanced Graphics Port
    Microchannel Architecture
    *Peripheral Component Interconnect-Express
    Extended Industry Standard Architecture


26    A customer orders a new computer and specifies an internal read-write, non-volatile storage device that uses low power, has fast access to data, and is reliable. What is a suitable storage device that meets these requirements?
    DVD+/-RW
    *solid state drive
    SATA hard drive
    USB flash drive

27    Why are solid state drives reliable and therefore suitable to be installed in computers used in harsh industrial workplaces?
    *They consume less power and have no moving parts.
    The drive motors have larger storage capacity and can be mirrored.
    Data is accessed from the drive disks faster than it is on other drives.
    The encrypted data on solid state drives is more secure than it is with other drive technologies.


28    A company employee has very important data on a computer. What RAID level should be used if the criteria include that data be written and read simultaneously and that all data be duplicated using a minimum of three drives?
    0
    1
    *5
    0/1