With each visit of this Computer Organization and Architecture online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.Interrupts which are initiated by an instruction are
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Question 2 of 30
Q-2.Self-contained sequence of instructions that performs a given computational task is
called
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Question 3 of 30
Q-3.When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
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Question 4 of 30
Q-4.The language that the computer can understand and execute is called ______
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Question 5 of 30
Q-5.Von Neumann architecture is
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Question 6 of 30
Q-6.When necessary, the results are transferred from the CPU to main memory by
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Question 7 of 30
Q-7.The instruction ‘ORG O’ is a
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Question 8 of 30
Q-8.A Stack-organised Computer uses instruction of _____.
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Question 9 of 30
Q-9.A microprogram written as string of 0’s and 1’s is a
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Question 10 of 30
Q-10.An interface that provides a method for transferring binary information between internal storage and external devices is called
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Question 11 of 30
Q-11.The communication line between the CPU, memory and peripherals is called a
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Question 12 of 30
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Question 13 of 30
Q-13.The average time required to reach a storage location in memory and obtain its contents is called the
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Question 14 of 30
Q-14.A collection of lines that connects several devices is called …………..
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Question 15 of 30
Q-15.PC Program Counter is also called ……………….
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Question 16 of 30
Q-16.A memory buffer used to accommodate a speed differential is called
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Question 17 of 30
Q-17.Which of the following memories must be refreshed many times per second?
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Question 18 of 30
Q-18.A time sharing system imply
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Question 19 of 30
Q-19.In a memory-mapped I/O system, which of the following will not be there?
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Question 20 of 30
Q-20.The information available in a state table may be represented graphically in a
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Question 21 of 30
Q-21.Typical bandwidth of optical fibers is
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Question 22 of 30
Q-22.In an operation performed by the ALU, carry bit is set to 1 if the end carry C 8 is ________. It is cleared to 0 (zero) if the carry is ______ _______.
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Question 23 of 30
Q-23.Which of the following is not hardware:
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Question 24 of 30
Q-24.A graph preapared by a computer
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Question 25 of 30
Q-25.The addressing mode used in an instruction of the form ADD X Y, is
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Question 26 of 30
Q-26.Cache memory works on the principle of
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Question 27 of 30
Q-27.‘Aging registers’ are
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Question 28 of 30
Q-28.Which of the following registers is used to keep track of address of the
memory location where the next instruction is located?
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Question 29 of 30
Q-29.The language that the computer can understand and execute is called
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Question 30 of 30
Q-30.When CPU is executing a Program that is part of the Operating System, it is said to be in
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