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 floating point number that has a O in the MSB of mantissa is said to have
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Question 2 of 30
Q-2.Which of the following interrupt is non maskable
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Question 3 of 30
Q-3.PC Program Counter is also called ……………….
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Question 4 of 30
Q-4.A complete microcomputer system consists of
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Question 5 of 30
Q-5.When necessary, the results are transferred from the CPU to main memory by
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Question 6 of 30
Q-6.Memory management technique in which system stores and retrieves
data from secondary storage for use in main memory is called
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Question 7 of 30
Q-7.A Winchester disk is a
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Question 8 of 30
Q-8.Processors of all computers, whether micro, mini or mainframe must have
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Question 9 of 30
Q-9.A stack organized computer has
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Question 10 of 30
Q-10.The performance of cache memory is frequently measured in terms of a quantity called
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Question 11 of 30
Q-11.Indicate which of the following, best describes the term “software”
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Question 12 of 30
Q-12.A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
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Question 13 of 30
Q-13.A translator is best described as
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Question 14 of 30
Q-14.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 15 of 30
Q-15.The information available in a state table may be represented graphically in a
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Question 16 of 30
Q-16.The communication line between the CPU, memory and peripherals is called a
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Question 17 of 30
Q-17.PSW is saved in stack when there is a
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Question 18 of 30
Q-18.‘Aging registers’ are
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Question 19 of 30
Q-19.The instructions which copy information from one location to another either in the processor’s internal register set or in the external main memory are called
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Question 20 of 30
Q-20.Interrupts which are initiated by an instruction are
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Question 21 of 30
Q-21.The branch logic that provides decision making capabilities in the control
unit is known as
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Question 22 of 30
Q-22.State whether True or False.(i) Arithmetic operations with fixed point numbers take longer time for execution as compared to with floating point numbers. ii) An arithmetic shift left multiplies a signed binary number by 2.
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Question 23 of 30
Q-23.The 2s compliment form (Use 6 bit word) of the number 1010 is
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Question 24 of 30
Q-24.A ___________development system and an ______are essential tools for writing
large assembly language programs.
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Question 25 of 30
Q-25.A time sharing system imply
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Question 26 of 30
Q-26.Indicate which of the following is not true about an interpreter
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Question 27 of 30
Q-27.The addressing mode used in an instruction of the form ADD X Y, is
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Question 28 of 30
Q-28.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 29 of 30
Q-29.Which of the following holds the ROM, CPU, RAM and expansion cards
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Question 30 of 30
Q-30.Content of the program counter is added to the address part of the instruction in
order to obtain the effective address is called.
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