Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > A microprogrammed control unita)Is faster tha...
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A microprogrammed control unit
- a)Is faster than a hard-wired control unit.
- b)Facilitates easy implementation of new instructions.
- c)Is useful when very small programs are to be run.
- d)Usually refers to the control unit of a microprocessor.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A microprogrammed control unita)Is faster than a hard-wired control un...
A micro-programmed control unit facilitates easy implementation of new instructions than hardwired.
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A microprogrammed control unita)Is faster than a hard-wired control un...
Microprogrammed Control Unit
A microprogrammed control unit is a control unit that uses microcode to execute instructions. Microcode is a low-level code that controls the behavior of the CPU's control unit. It is a layer of abstraction between the hardware and the software.
Advantages of Microprogrammed Control Unit
Facilitates Easy Implementation of New Instructions:
One of the advantages of a microprogrammed control unit is that it facilitates easy implementation of new instructions. Since the control unit is programmed using microcode, it can be easily modified to support new instructions. This makes it easier to add new functionality to a CPU without having to redesign the entire hardware.
More Flexibility:
Another advantage of a microprogrammed control unit is that it provides more flexibility. Since the control unit is controlled by microcode, it can be easily modified to support different instruction sets. This makes it easier to create CPUs that are optimized for specific tasks.
Easier Debugging:
Debugging a microprogrammed control unit is easier than debugging a hard-wired control unit. Since the control unit is controlled by microcode, errors can be easily located and fixed.
Disadvantages of Microprogrammed Control Unit
Slower Than Hard-wired Control Unit:
One of the disadvantages of a microprogrammed control unit is that it is slower than a hard-wired control unit. Since the control unit is controlled by microcode, it takes more time to execute instructions.
More Complex:
Another disadvantage of a microprogrammed control unit is that it is more complex than a hard-wired control unit. Microcode is a layer of abstraction that adds complexity to the CPU. This can make it harder to design and manufacture CPUs that use a microprogrammed control unit.
Conclusion
In conclusion, a microprogrammed control unit provides more flexibility and easier implementation of new instructions. However, it is slower and more complex than a hard-wired control unit. Overall, the choice between a microprogrammed control unit and a hard-wired control unit depends on the specific requirements of the CPU.
A microprogrammed control unit is a control unit that uses microcode to execute instructions. Microcode is a low-level code that controls the behavior of the CPU's control unit. It is a layer of abstraction between the hardware and the software.
Advantages of Microprogrammed Control Unit
Facilitates Easy Implementation of New Instructions:
One of the advantages of a microprogrammed control unit is that it facilitates easy implementation of new instructions. Since the control unit is programmed using microcode, it can be easily modified to support new instructions. This makes it easier to add new functionality to a CPU without having to redesign the entire hardware.
More Flexibility:
Another advantage of a microprogrammed control unit is that it provides more flexibility. Since the control unit is controlled by microcode, it can be easily modified to support different instruction sets. This makes it easier to create CPUs that are optimized for specific tasks.
Easier Debugging:
Debugging a microprogrammed control unit is easier than debugging a hard-wired control unit. Since the control unit is controlled by microcode, errors can be easily located and fixed.
Disadvantages of Microprogrammed Control Unit
Slower Than Hard-wired Control Unit:
One of the disadvantages of a microprogrammed control unit is that it is slower than a hard-wired control unit. Since the control unit is controlled by microcode, it takes more time to execute instructions.
More Complex:
Another disadvantage of a microprogrammed control unit is that it is more complex than a hard-wired control unit. Microcode is a layer of abstraction that adds complexity to the CPU. This can make it harder to design and manufacture CPUs that use a microprogrammed control unit.
Conclusion
In conclusion, a microprogrammed control unit provides more flexibility and easier implementation of new instructions. However, it is slower and more complex than a hard-wired control unit. Overall, the choice between a microprogrammed control unit and a hard-wired control unit depends on the specific requirements of the CPU.
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A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer?.
A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A microprogrammed control unita)Is faster than a hard-wired control unit.b)Facilitates easy implementation of new instructions.c)Is useful when very small programs are to be run.d)Usually refers to the control unit of a microprocessor.Correct answer is option 'B'. Can you explain this answer?.
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