Which of the following statements are true?
A. The CPU can store the data for a long time.
B. Increasing the amount of RAM will increase the performance of computer.
C. RAM is known as 'volatile' memory.
D. ROM is processing unit.
E. CPU is known as the brain of the computer.
Choose the correct answer from the options given below:
B, C, and E only
A. This is false. The CPU does not store data for a long time; it only holds data temporarily in its registers and cache while actively processing instructions. Long-term data storage is handled by memory and storage devices such as RAM, ROM, hard disks, or SSDs, not by the CPU itself.
B. This is true. Increasing the amount of RAM generally improves a computer's performance, because more RAM allows more programs and data to be held in fast-access memory at once, reducing the need to repeatedly swap data to and from slower storage, which speeds up overall processing.
C. This is true. RAM is indeed known as volatile memory because its contents are lost as soon as the power supply is switched off or interrupted.
D. This is false. ROM is a memory/storage unit, not a processing unit; it is used to permanently store essential instructions such as firmware, and it does not perform any processing or computation on its own.
E. This is true. The CPU is commonly referred to as the 'brain of the computer' because it is responsible for fetching, decoding, and executing instructions and controlling all other components of the system.
Since B, C, and E are true while A and D are false, the correct combination is B, C, and E only.
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