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.A graph preapared by a computer
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Question 2 of 30
Q-2.A nibble is a group of __ bits.
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Question 3 of 30
Q-3.Which of the following is not a weighted code?
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Question 4 of 30
Q-4.When more than one processes are running concurrently on a system-
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Question 5 of 30
Q-5.Interrupts which are initiated by an instruction are
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Question 6 of 30
Q-6.The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency
refers to
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Question 7 of 30
Q-7.When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
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Question 8 of 30
Q-8.In a vectored interrupt.
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Question 9 of 30
Q-9.What is meant by a dedicated computer?
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Question 10 of 30
Q-10.A Program Counter contains a number 825 and address part of the instruction contains the number 24. The effective address in the relative address mode, when
an instruction is read from the memory is
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Question 11 of 30
Q-11.In which addressing mode the operand is given explicitly in the instruction
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Question 12 of 30
Q-12.A collection of lines that connects several devices is called …………..
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Question 13 of 30
Q-13.he communication between the components in a microcomputer takes place via the address and
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Question 14 of 30
Q-14.The performance of cache memory is frequently measured in terms of a quantity called
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Question 15 of 30
Q-15.By Processing we understand _______
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Question 16 of 30
Q-16.The main memory in a Personal Computer (PC) is made of
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Question 17 of 30
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Question 18 of 30
Q-18.The address of a page table in memory is pointed by
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Question 19 of 30
Q-19.A Winchester disk is a
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Question 20 of 30
Q-20.The instruction ‘ORG O’ is a
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Question 21 of 30
Q-21.In computers, subtraction is generally carried out by
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Question 22 of 30
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Question 23 of 30
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Question 24 of 30
Q-24.A combinational logic circuit which sends data coming from a single source to two
or more separate destinations is
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Question 25 of 30
Q-25.n bits in operation code imply that there are ___________ possible distinct operators
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Question 26 of 30
Q-26.Indicate which of the following, best describes the term “software”
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Question 27 of 30
Q-27._________ register keeps tracks of the instructions stored in program stored in memory
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Question 28 of 30
Q-28.A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
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Question 29 of 30
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Question 30 of 30
Q-30.Write Through technique is used in which memory for updating the data
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