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Control Memory Video Lecture - Computer Science Engineering (CSE)
FAQs on Control Memory Video Lecture - Computer Science Engineering (CSE)
| 1. What is control memory? |  |
Ans. Control memory, also known as control store or microstore, is a type of memory used in a computer system to store control instructions or microprograms. It holds the sequences of microinstructions that control the operations of the computer's control unit, which manages the execution of instructions and the flow of data within the system.
| 2. How does control memory work in a computer system? | |
Ans. Control memory works by storing microinstructions that govern the operation of a computer's control unit. These microinstructions are fetched from control memory and executed sequentially to control the various components of the computer system, such as the arithmetic logic unit, memory, and input/output devices. Control memory acts as a control program, providing the necessary control signals to coordinate the execution of instructions and the flow of data.
| 3. What are the advantages of using control memory in a computer system? | |
Ans. Control memory offers several advantages in a computer system. Firstly, it allows for the execution of complex instructions by breaking them down into smaller microinstructions that can be easily executed by the control unit. Secondly, it provides flexibility as the microinstructions can be easily modified or updated to accommodate changes in the system's architecture or functionality. Additionally, control memory enables faster execution of instructions by storing frequently used microinstructions in a cache-like structure, reducing the time required to fetch and execute them.
| 4. How is control memory different from main memory in a computer system? | |
Ans. Control memory and main memory serve different purposes in a computer system. Control memory stores microinstructions that control the operations of the system, while main memory stores data and instructions that are being actively processed by the CPU. Control memory is typically much smaller in size compared to main memory and is accessed more frequently by the control unit. Main memory, on the other hand, is larger in size and is used to store the program instructions and data required for the execution of tasks.
| 5. Can control memory be upgraded or expanded in a computer system? | |
Ans. Yes, control memory can be upgraded or expanded in a computer system. As the system's architecture evolves or new features are added, the control memory may need to be modified or expanded to accommodate these changes. Upgrading control memory involves replacing or modifying the existing microinstructions to support the new functionality. Additionally, if the control memory capacity is insufficient, it can be expanded by adding more memory modules or increasing the storage capacity of the existing memory modules.
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Dec 26, 2024 Last updated |
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