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.In a memory-mapped I/O system, which of the following will not be there?
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Question 2 of 30
Q-2.A three input NOR gate gives logic high output only when
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Question 3 of 30
Q-3.A nibble is a group of __ bits.
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Question 4 of 30
Q-4.An address in main memory is called
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Question 5 of 30
Q-5.Execution of two or more programs by a single CPU is known as :
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Question 6 of 30
Q-6.Actual execution of instructions in a computer takes place in
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Question 7 of 30
Q-7.The errors that can be pointed out by the compiler are
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Question 8 of 30
Q-8.A complete microcomputer system consists of
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Question 9 of 30
Q-9.Which of the following would cause quickest acess
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Question 10 of 30
Q-10.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 11 of 30
Q-11.Typical bandwidth of optical fibers is
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Question 12 of 30
Q-12.The circuit used to store one bit of data is known as
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Question 13 of 30
Q-13.A microprogram written as string of 0’s and 1’s is a ………….
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Question 14 of 30
Q-14.In a single byte how many bits will be there?
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Question 15 of 30
Q-15.A Stack-organised Computer uses instruction of
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Question 16 of 30
Q-16.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 17 of 30
Q-17.When more than one processes are running concurrently on a system-
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Question 18 of 30
Q-18.Data is generally coded in 8-bit units, such a unit is also called
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Question 19 of 30
Q-19.Program always deals with
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Question 20 of 30
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Question 21 of 30
Q-21._________ register keeps track of the instructions stored in program stored
in memory.
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Question 22 of 30
Q-22.A k-bit field can specify any one of
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Question 23 of 30
Q-23.Microinstructions are stored in control memory groups, with each group specifying a
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Question 24 of 30
Q-24.can be represented in a signed magnitude format and in a 1’s complement format as
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Question 25 of 30
Q-25._________ register keeps tracks of the instructions stored in program stored in memory
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Question 26 of 30
Q-26.Logic X-OR operation of (4ACO) H & (B53F) H results
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Question 27 of 30
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Question 28 of 30
Q-28.In a memory-mapped I/O system, which of the following will not be there?
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Question 29 of 30
Q-29.Interrupts which are initiated by an instruction are
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Question 30 of 30
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