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The part of the memory of a computer from which instructions are executed is:
- a)Secondary storage
- b)Main storage
- c)RAM
- d)CPU
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The part of the memory of a computer from which instructions are execu...
In a computer, program-addressable storage from which instructions and other data may be loaded directly into registers for subsequent execution or processing is known as main storage. Main storage includes the total program-addressable execution space that may include one or more storage devices.
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The part of the memory of a computer from which instructions are execu...
Understanding Main Storage
Main storage, often referred to as primary storage or main memory, is a crucial component of a computer system. Here’s a detailed explanation of why it is the correct answer:
1. Definition of Main Storage
- Main storage is where the computer holds data and instructions that are currently in use.
- It enables rapid access to these instructions, facilitating smooth execution by the CPU.
2. Role in Instruction Execution
- The CPU (Central Processing Unit) fetches instructions from main storage to execute them.
- Without main storage, the CPU would lack the necessary information to perform tasks efficiently.
3. Characteristics of Main Storage
- Main storage is typically volatile, meaning it loses its contents when the power is turned off.
- It includes types of memory such as RAM (Random Access Memory), which is essential for active processes.
4. Comparison with Other Storage Types
- Secondary Storage: Unlike main storage, secondary storage (like hard drives) is non-volatile and used for long-term data retention.
- RAM: While RAM is a type of main storage, the term "main storage" encompasses all forms of primary memory used for executing instructions.
5. Conclusion
- In summary, main storage is integral to a computer's functionality, as it serves as the immediate workspace for the CPU during instruction execution.
- Hence, the correct answer to the question is option 'B', which emphasizes the importance of main storage in computer architecture.
Main storage, often referred to as primary storage or main memory, is a crucial component of a computer system. Here’s a detailed explanation of why it is the correct answer:
1. Definition of Main Storage
- Main storage is where the computer holds data and instructions that are currently in use.
- It enables rapid access to these instructions, facilitating smooth execution by the CPU.
2. Role in Instruction Execution
- The CPU (Central Processing Unit) fetches instructions from main storage to execute them.
- Without main storage, the CPU would lack the necessary information to perform tasks efficiently.
3. Characteristics of Main Storage
- Main storage is typically volatile, meaning it loses its contents when the power is turned off.
- It includes types of memory such as RAM (Random Access Memory), which is essential for active processes.
4. Comparison with Other Storage Types
- Secondary Storage: Unlike main storage, secondary storage (like hard drives) is non-volatile and used for long-term data retention.
- RAM: While RAM is a type of main storage, the term "main storage" encompasses all forms of primary memory used for executing instructions.
5. Conclusion
- In summary, main storage is integral to a computer's functionality, as it serves as the immediate workspace for the CPU during instruction execution.
- Hence, the correct answer to the question is option 'B', which emphasizes the importance of main storage in computer architecture.
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