Computer Science

    OS The Linux System
    Optimal page – replacement algorithm is difficult to implement, because ____________
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    Computer Science Fundamentals
    2’s complement is obtained by adding 1 to 1’s complement of a number.
    The statement is true. Let us take an example: Consider the number 110000.
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    OS I/O Systems
    If one or more devices use a common set of wires to communicate with the computer system, the connection is called ______
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    OS Processes
    What is the objective of multiprogramming?
    The objective of multiprogramming is to increase CPU utilization. Generally, a single process cannot use CPU or I/O at all time, whenever CPU or I/O is available another process can use it. Multiprogramming offers this ability to OS by keeping multiple programs in a ready queue.
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    Computer Science Fundamentals
    API is?
    API is the application programming interface. It is a set of instructions that allow the creation of applications.
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    Computer Science Fundamentals
    A device produces an illusion of movement from a rapid succession of static pictures.
    In 1843, William Horner, a British mathematician invented the zoetrope. A zoetrope produces an illusion of movement from a rapid succession of static pictures.
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    OS Distributed Communication
    In an interrupt driven input/output __________
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    OS File Systems and Their Implementation
    In linked allocation _____________
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    Computer Science Fundamentals
    Diagnostics service for Cars.
    Autobot is a diagnostics service for cars. This service is integrated with several web services.
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    OS I/O Systems
    The ______ register is written by the host to send output.
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