Banking Computers Science AP Mahesh Urban Cooperative Bank Exam 17-05-2015

  • question_answer
    Which part of the computer is used for calculating and comparing?

    A)  ALU                

    B)  Control Unit

    C)  Disk Unit          

    D)  Modem

    E)  None of these

    Correct Answer: A

    Solution :

    [a] The CPU contains the control unit and the arithmetic/ logic unit.  The control unit directs and coordinates most of the operations in the computer. Specifically, the ALU carries out three operations: Arithmetic operations - per- forming calculations, which include addition, subtraction, multiplication, and division Comparison operations - com- paring data items to determine if the first item is greater than, equal to, or less than the other item Logical operations ? working with conditions and logical operators such as AND. OR, and NOT.


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