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Lesson -1 {Typical config of system}

1m questions:

  1. What is a motherboard?

    The motherboard provides a platform for all the components and peripherals to communicate with each other.

  1. What is microprocessor?

    The CPU is fabricated as a single Integrated Circuit (IC) chip and is also known as the microprocessor.

  1. What is the purpose of registers in the CPU?

    The processor contains number of special purpose registers in addition to ALU which is responsible for doing calculations

  1. How does the computer communicate with other devices?

    The computer communicates with other devices with the help of north bridge and south bridge

  1. What is system bus?

    The Internal bus connects major computer components like, processor, memory and I/O. It is also called as System bus

  1. What is the function of control bus?

    Control bus is used to control the access to and the use of the data and address lines.

  1. What is a data bus?

    Data bus provides a path to transfer data between CPU and memory. The data bus may consist of 32, 64, 128 lines of wire.

  1. What is a port?

    The ports and interfaces are used to connect external devices like printers, keyboards or scanners to the computer, which gets connected to the computer’s motherboard

  1. Expand PCI

    Peripheral Component Interconnect

  1. How many bits of data are sent in a serial port?

    This port transfers data serially one bit at a time.

  1. Expand USB.

    Universal Serial Bus Port

  1. Give one feature of USB port

    USB port gives a single, standardized, easy-to-use way to connect a variety of newer peripherals to a computer.

  1. What is meant by plug and play device ? A new device can be added to the computer without adding an adapter card or even turning the computer off.
  1. 14. Name any one USB device .

    speakers

  1. Is Device Controller hardware or software?

    hardware

  1. What is Cache Memory?

    The Cache memory is a high speed memory available inside CPU to speed up access of data and instructions stored in RAM memory.

  1. Where is L1 cache located?

    It is built onto the processor

  1. Where is L2 cache located?

    It is between processor and memory

  1. Expand SDRAM

    Synchronous Dynamic Random Access Memory

  1. Give the expansion of DDRAM

    Double Data Rate SDRAM

  1. Expand SMPS

    Switch Mode Power Supply

  1. What is the use of SMPS?

    An SMPS converts AC power from an electrical outlet to the DC power needed by system components.

  1. What is the approximate power consumed by a PC?

    300 watts

  1. Expand UPS.

    Uninterruptable Power Supply

  1. What is the use of UPS?

    an UPS keeps a computer running for several minutes to few hours after a power failure

  1. List the types of UPS.

    ONLINE AND OFFLINE