T3 Memory Flashcards
Q: What does RAM stand for?
A: Random Access Memory.
Q: What does ROM stand for?
A: Read-Only Memory.
Q: What is the main purpose of RAM?
A: It stores the operating system, running programs, and active data temporarily.
Q: Why is RAM considered volatile memory?
A: It loses all data when the computer is turned off.
Q: What is the purpose of ROM in a computer?
A: It stores essential startup instructions, such as the bootstrap program and BIOS.
Q: How is ROM different from RAM?
A: ROM is non-volatile and cannot be written to, while RAM is volatile and writable.
Q: What is virtual memory?
A: A section of the hard drive used as an extension to RAM when RAM is full.
Q: Why is virtual memory slower than RAM?
A: Data must be swapped between the hard drive and RAM, which takes time.
Q: What is stored in ROM on modern computers?
A: The bootstrap program and BIOS.
Q: What does the bootstrap program do?
A: It tells the computer where to find and load the operating system.
Q: What does the BIOS control?
A: Basic system settings like processor speed and system time.
Q: How much RAM is typically available in modern personal computers?
A: Between 4 GB and 32 GB.
Q: How much ROM is typically found in a computer?
A: Between 4 MB and 8 MB.
Q: Why is primary storage needed in a computer system?
A: It allows the CPU to quickly access data and instructions required for processing.
Q: What happens when RAM is full?
A: The system uses virtual memory, slowing down performance.