Operating Systems MCQs Set-6

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  1. 1. In FIFO page replacement algorithm, when a page must be replaced
    • oldest page is chosen
    • newest page is chosen
    • random page is chosen
    • none of the mentioned
  2. 2. ______ is a unique tag, usually a number, identifies the file within the file system.
    • File identifier
    • File name
    • File type
    • none of the mentioned
  3. 3. To create a file
    • allocate the space in file system
    • make an entry for new file in directory
    • both (a) and (b)
    • none of the mentioned
  4. 4. By using the specific system call, we can
    • open the file
    • read the file
    • write into the file
    • all of the mentioned
  5. 5. File type can be represented by
    • file name
    • file extension
    • file identifier
    • none of the mentioned
  6. 6. Mapping of file is managed by
    • file metadata
    • page table
    • virtual memory
    • file system
  7. 7. file system fragmentation occurs when
    • unused space or single file are not contiguous
    • used space is not contiguous
    • unused space is non-contiguous
    • multiple files are non-contiguous
  8. 8. If one or more devices use a common set of wires to communicate with the computer system, the connection is called ______.
    • CPU
    • Monitor
    • wirefull
    • bus
  9. 9. A ________ is a collection of electronics that can operate a port, a bus, or a device.
    • controller
    • driver
    • host
    • bus
  10. 10. An I/O port typically consists of four registers status, control, ________ and ________ registers.
    • system in, system out
    • data in, data out
    • flow in, flow out
    • input, output

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