Computer Organization and Architecture Mock Test

Refer to Computer Organization and Architecture Mock Test below. Students of BCA Computer Organization and Architecture can do the below online test and refer to the full list of free Computer Organization and Architecture BCA Mock Online Test provided below. These online Mock tests for BCA Computer Organization and Architecture have been designed based on the pattern of questions expected to come in the upcoming examinations and the latest syllabus. This Computer Organization and Architecture Mock Test is a free online mock practice test based on the important multiple choice questions (MCQs) from your BCA syllabus. The test for the topic Computer Organization and Architecture includes a series of carefully selected questions with four options each as you can see below. Whether you’re a first-year, second-year, or final-year BCA student, this test will help you revise key questions that are likely to appear in your semester exams or university assessments.

Online Mock Test for BCA Computer Organization and Architecture

In the Mock test for BCA Computer Organization and Architecture you can see the list of questions below with options out of which you have to select one correct answer and after completing the test you can check your answers and score. This mock test will help students to check understanding of all topics in Computer Organization and Architecture. Mock tests for Computer Organization and Architecture are a proven way to boost BCA exam performance. The more you practice, the more confident you become in your exams. Our BCA: Computer Organization and Architecture Online Mock Test will help you understand the subject better and prepare for exams more effectively

BCA Computer Organization and Architecture Mock Test

1. SIMD represents an organization that ______________.

represents organization of single computer containing a control unit, processor unit and a memory unit. refers to a computer system capable of processing several programs at the same time. includes many processing units under the supervision of a common control unit None of the options.

2. Floating point representation is used to store

whole numbers integers real integers Boolean values

3. Which of the following is lowest in memory hierarchy?

RAM Secondary memory Cache memory Registers

4. In a program using subroutine call instruction, it is necessary

Clear the accumulator Clear the instruction register initialise program counter Reset the microprocessor

5. When CPU is executing a Program that is part of the Operating System, it is said to be in

Simplex mode Half mode System mode Interrupt mode

6. A floating point number that has a O in the MSB of mantissa is said to have

Overflow Undefined Important number Underflow

7. A floating point number that has a O in the MSB of mantissa is said to have_____.

Undefined Important number Underflow Overflow

8. Assembly language

need not be translated into machine language is the easiest language to write programs uses alphabetic codes in place of binary numbers used in machine language None of the options

9. In a vectored interrupt.

the branch address is assigned to a fixed location in memory. the branch address is obtained from a register in the processor the interrupting source supplies the branch information to the processor through an interrupt vector. None of the options

10. Translation from symbolic program into Binary is done in_____.

Two passes. Three passes. Four passes. Directly

11. The BSA instruction is

Branch and show accumulator Branch and save return address Branch and shift address Branch and store accumulator

12. 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

the time its takes for the platter to make a full rotation the time it takes for the read-write head to move into position over the appropriate track the time it takes for the platter to rotate the correct sector under the head None of the options

13. Which of the following is not a weighted code?

Decimal Number system Excess 3-cod Binary number System None of the options

14. Cache memory acts between

CPU and Hard Disk CPU and RAM RAM and ROM None of the options

15. An n-bit microprocessor has

n-bit ALU n-bit program counter n-bit address register n-bit instruction register

16. The instruction 'ORG O' is a

Memory instruction. High level instruction. Machine Instruction. Pseudo instruction.

17. A three input NOR gate gives logic high output only when_____.

one input is high all input are high two input are low one input is low

18. A k-bit field can specify any one of

K3 registers K2 registers 2k registers 3k registers

19. A Stack-organised Computer uses instruction of

Zero addressing Index addressing Indirect addressing Two-addressing

20. The addressing mode used in an instruction of the form ADD X Y, is

Absolute indirect index None of the options

21. The time interval between adjacent bits is called the

Bit-time Turn around time Slice time Word-time

22. The circuit converting binary data in to decimal is_____.

Decoder Code converter Encoder Multiplexer

23. Translation from symbolic program into Binary is done in

Two passes. Four passes. Directly Three passes.

24. A group of bits that tell the computer to perform a specific operation is known as

Micro-operation Register Instruction code Accumulator

25. A combinational logic circuit which sends data coming from a single source to two or more separate destinations is

Encoder. Demultiplexer. Multiplexer. Decoder.

26. Cache memory works on the principle of

Locality of memory Locality of reference Locality of data Locality of reference & memory

27. Write Through technique is used in which memory for updating the data

Cache memory Auxiliary memory Main memory Virtual memory

28. In which addressing mode the operand is given explicitly in the instruction

Direct. Immediate . Indirect. Absolute.

29. The load instruction is mostly used to designate a transfer from memory to a processor register known as

Program counter Memory address Register Accumulator Instruction Register

30. Von Neumann architecture is

MIMD SIMD MISD SISD

31. The idea of cache memory is based

on the fact that references generally tend to cluster on the property of locality of reference on the heuristic 90-10 rule All of the options

32. What characteristic of RAM memory makes it not suitable for permanent storage?

it is volatile too slow unreliable too bulky

33. The circuit used to store one bit of data is known as.

OR gate Encoder Flip Flop Decoder

34. In computers, subtraction is carried out generally by

BCD subtraction method signed magnitude method 2's complement method 1's complement method

35. A register capable of shifting its binary information either to the right or the left is called a

parallel register. storage register. serial register. shift register.

36. The memory unit that communicates directly with the CPU is called the

auxiliary memory. Secondary memory shared memory main memory

37. Memory unit accessed by content is called

Programmable Memory Read only memory Virtual Memory Associative Memory

38. A flip-flop is a binary cell capable of storing information of

Eight bit One bit Byte Zero bit

39. The average time required to reach a storage location in memory and obtain its contents is called

Response time. Turnaround time. Latency time. Access time.

40. What is the content of Stack Pointer (SP)?

Address of the next instruction Address of the top element of the stack Size of the stack. Address of the current instruction

41. The operation executed on data stored in registers is called

Byte-operation Bit-operation Micro-operation Macro-operation

42. Generally Dynamic RAM is used as main memory in a computer system as it

has lower cell density has higher speed needs refreshing circuitary Consumes less power

43. Computers use addressing mode techniques for _____________________.

to reduce no. of bits in the field of instruction giving programming versatility to the user by providing facilities as pointers to memory counters for loop control specifying rules for modifying or interpreting address field of the instruction All of the options

44. The average time required to reach a storage location in memory and obtain its contents is called the

seek time access time turnaround time transfer time

45. The circuit used to store one bit of data is known as

Decoder Flip Flop Encoder Register

46. MRI indicates

Memory Reference Information. Memory Reference Instruction. Memory Register information Memory Registers Instruction.

47. The performance of cache memory is frequently measured in terms of a quantity called

Latency ratio. Miss ratio. Read ratio. Hit ratio.

48. Aging registers' are

Counters to keep track of the latest data structures referred. Registers which keep track of when the program was last accessed. Counters which indicate how long ago their associated pages have been referenced. Counters to keep track of last accessed instruction.

49. PSW is saved in stack when there is a

interrupt recognised All of these execution of RST instruction Execution of CALL instruction

50. The information available in a state table may be represented graphically in a

state diagram. complex diagram. data flow diagram. simple diagram.

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BCA Chapter Wise Online Mock Practice Tests

BCA Mock online test Computer Organization and Architecture

The above link for Computer Organization and Architecture Mock Test will help you to check your understanding of all important concepts which have been prepared based on latest BCA syllabus. The free online mock tests for Computer Organization and Architecture should be used by BCA students to check their understanding. We bring here the biggest collection of Computer Organization and Architecture BCA MCQ Test to help you prepare properly and get highest rank in exams. Students can attempt the mock tests for BCA as many number of times as these mock online tests for BCA Computer Organization and Architecture have been developed by our teachers after thorough review of the latest book and based on pattern of questions in upcoming exams.

How to improve your preparation with BCA Computer Organization and Architecture Mock Test?

The Computer Organization and Architecture mock online tests for BCA has been designed by our teachers to improve your understanding of this chapter. These online mock tests are structured so that it feels like real exam condition for students so that they can build their confidence and accuracy of answers. By daily practicing these MCQ based questions for BCA with answers students will be able to identify key topics to focus on and improve performance. The mock tests have been updated as per the latest NCERT book for BCA to help in your exam preparation.

Why choose to do Computer Organization and Architecture Mock Test?

Daily practicing the Computer Organization and Architecture mock tests for BCA has several benefits as they help to familiarize students with important concepts and effective time management skills. Each mock test for chapter Computer Organization and Architecture given above includes a variety of questions that have been selected from Question Papers for BCA and cover all important topics so that you have full preparation. After completing the Computer Organization and Architecture Mock Test, students can review the answers to identify mistakes and improve further. Access these free online mock tests anytime and take a step closer to achieving excellence in your BCA exams.

How to do Mock Test for BCA Computer Organization and Architecture?

Follow these simple steps to attempt the test:
a. The Computer Organization and Architecture Mock Test has 30-50 questions for students as per BCA Sample Papers pattern.
b. Each Computer Organization and Architecture question has four options, students of must read the question carefully and choose the correct answer.
c. Answer all questions given above for Computer Organization and Architecture Mock Test.
d. Once you have answered all the Computer Organization and Architecture MCQ based questions, click on the Submit button.
e. Your score of Online test for Computer Organization and Architecture Mock Test will be shown instantly above.
f. To check your mistakes in MCQ based test for Computer Organization and Architecture in BCA for , scroll up and see the correct answers.
g. You can attempt the Computer Organization and Architecture Mock Test as many times to improve your score in BCA exams.

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