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
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Question 2 of 30
Q-2.Interrupts which are initiated by an instruction are
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Question 3 of 30
Q-3.A memory buffer used to accommodate a speed differential is called
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Question 4 of 30
Q-4.A large number of computers in a wide geographical area can be efficiently connected by
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Question 5 of 30
Q-5.Generally Dynamic RAM is used as main memory in a computer system as it
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Question 6 of 30
Q-6.Memories which can be read only are called………….. Memories
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Question 7 of 30
Q-7.Which of the following memories must be refreshed many times per second?
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Question 8 of 30
Q-8.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 9 of 30
Q-9.A collection of lines that connects several devices is called …………..
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Question 10 of 30
Q-10.In a memory-mapped I/O system, which of the following will not be there?
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Question 11 of 30
Q-11.C is a) An assembly language
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Question 12 of 30
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Question 13 of 30
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Question 14 of 30
Q-14.In computers, subtraction is generally carried out by ______.
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Question 15 of 30
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Question 16 of 30
Q-16.Self-contained sequence of instructions that performs a given computational task is
called
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Question 17 of 30
Q-17.An interface that provides I/O transfer of data directly to and form the memory unit
and peripheral is termed as
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Question 18 of 30
Q-18.Cache memory works on the principle of
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Question 19 of 30
Q-19.The average time required to reach a storage location in memory and obtain its contents is called the
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Question 20 of 30
Q-20.An address in main memory is called
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Question 21 of 30
Q-21.SIMD represents an organization that ______________
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Question 22 of 30
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Question 23 of 30
Q-23.CPU does not perform the operation
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Question 24 of 30
Q-24.The addressing mode used in an instruction of the form ADD X Y, is
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Question 25 of 30
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Question 26 of 30
Q-26.Execution of two or more programs by a single CPU is known as :
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Question 27 of 30
Q-27.Which memory unit has lowest access time?
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Question 28 of 30
Q-28.One thousand bytes represent a
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Question 29 of 30
Q-29._________ register keeps tracks of the instructions stored in program stored in memory
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Question 30 of 30
Q-30.A microprogram written as string of 0’s and 1’s is a
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