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.An address in main memory is called
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Question 2 of 30
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Question 3 of 30
Q-3.The communication line between the CPU, memory and peripherals is called a
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Question 4 of 30
Q-4.A file is corrected immediately after the input of a transaction.This is an example of
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Question 5 of 30
Q-5.In which addressing mode the operand is given explicitly in the instruction
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Question 6 of 30
Q-6.Which of the following interrupt is non maskable
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Question 7 of 30
Q-7.In a single byte how many bits will be there?
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Question 8 of 30
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Question 9 of 30
Q-9.Memory unit accessed by content is called
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Question 10 of 30
Q-10.A k-bit field can specify any one of
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Question 11 of 30
Q-11.Which of the Following holds the ROM, CPU, RAM and expansion cards
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Question 12 of 30
Q-12.The term ‘baud’ is a measure of the:
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Question 13 of 30
Q-13.Data hazards occur when ……
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Question 14 of 30
Q-14.Which of the following memories must be refreshed many times per second?
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Question 15 of 30
Q-15.Magnetic tapes are good storage media for
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Question 16 of 30
Q-16.Which of the following devices can be used to directly input printed text
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Question 17 of 30
Q-17.If memory access takes 20 ns with cache and 110 ns without it, then the ratio (cache uses a 10 ns memory) is _____.
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Question 18 of 30
Q-18.A Stack-organised Computer uses instruction of _____.
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Question 19 of 30
Q-19.Which of the following is lowest in memory hierarchy?
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Question 20 of 30
Q-20.Microinstructions are stored in control memory groups, with each group specifying a
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Question 21 of 30
Q-21.When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
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Question 22 of 30
Q-22.A microprogram sequencer
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Question 23 of 30
Q-23.he communication between the components in a microcomputer takes place via the address and
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Question 24 of 30
Q-24.Half adder is logic CKT that adds. ………Digit at a time
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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. The access time of memory is …………… the time required for performing any single CPU operation.
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Question 27 of 30
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Question 28 of 30
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Question 29 of 30
Q-29.Memory address refers to the successive memory words and the machine is
called as …………
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Question 30 of 30
Q-30.(2FAOC) 16 is equivalent to
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