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.Wide area networks (WANs) always require
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Question 2 of 30
Q-2.A complete microcomputer system consist of ………..
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Question 3 of 30
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Question 4 of 30
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Question 5 of 30
Q-5.A combinational logic circuit which sends data coming from a single source to two
or more separate destinations is
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Question 6 of 30
Q-6.In Assembly language programming, minimum number of operands required for an
instruction is/are
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Question 7 of 30
Q-7.Processors of all computers, whether micro, mini or mainframe must have
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Question 8 of 30
Q-8.Write Through technique is used in which memory for updating the data
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Question 9 of 30
Q-9.Which of the following does not represent on I/O device
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Question 10 of 30
Q-10.Generally Dynamic RAM is used as main memory in a computer system as it
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Question 11 of 30
Q-11.A-Flip Flop can be converted into T-Flip Flop by using additional logic circuit
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Question 12 of 30
Q-12.Which of the following is a main memory
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Question 13 of 30
Q-13.The multiplicand register & multiplier register of a hardware circuit implementing booth’s algorithm have (11101) & (1100). The result shall be
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Question 14 of 30
Q-14.The addressing mode used in an instruction of the form ADD X Y, is
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Question 15 of 30
Q-15.Interrupts which are initiated by an instruction are
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Question 16 of 30
Q-16.A three input NOR gate gives logic high output only when
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Question 17 of 30
Q-17.In signed-magnitude binary division, if the dividend is (11100) 2 and divisor is (10011) 2 then the result is
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Question 18 of 30
Q-18.An n-bit microprocessor has
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Question 19 of 30
Q-19.A k-bit field can specify any one of
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Question 20 of 30
Q-20.Information retrieval is faster from
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Question 21 of 30
Q-21.If memory access takes 20 ns with cache and 110 ns with out it, then the ratio (cache uses a 10 ns memory) is
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Question 22 of 30
Q-22.Multiple choice examination answer sheets can be evaluated automically by
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Question 23 of 30
Q-23.In a memory-mapped I/O system, which of the following will not be there?
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Question 24 of 30
Q-24.Which of the following devices can be used to directly input printed text
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Question 25 of 30
Q-25.In a program using subroutine call instruction, it is necessary
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Question 26 of 30
Q-26.Memory address refers to the successive memory words and the machine is
called as …………
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Question 27 of 30
Q-27.When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
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Question 28 of 30
Q-28.The instruction ‘ORG O’ is a
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Question 29 of 30
Q-29.A memory buffer used to accommodate a speed differential is called
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Question 30 of 30
Q-30.PSW is saved in stack when there is a
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