Understanding Computer Memory

What is the basic unit of memory in a computer?

• Megabyte

• Kilobyte

• Bit

• Byte

What does CPU stand for?

• Central Processing Unit

• Central Programming Unit

• Computer Processing Unit

• Central Performance Unit

What type of memory is used for immediate tasks in a computer?

• Virtual memory

• Long-term memory

• Short-term memory

• External memory

What is the most common type of RAM?

• Flash RAM

• Dynamic RAM

• Static RAM

• Virtual RAM

What is the latency of dynamic RAM (DRAM)?

• 100 nanoseconds

• 100 microseconds

• 100 milliseconds

• 100 seconds

Which type of memory is the fastest in a computer system?

• SRAM

• DRAM

• Flash memory

• Magnetic storage

What type of storage uses a magnetic pattern on a spinning disc?

• Solid-state drives

• Optical storage

• Magnetic storage

• Cloud storage

Which type of storage uses light and dark spots to encode data?

• Magnetic storage

• Optical storage

• Cloud storage

• Solid-state drives

What is a key weakness of solid-state drives?

• Charge leakage

• Corrosion from repeated writing

• High cost

• High latency

What is the life expectancy of data on most current storage media?

• Less than 5 years

• Less than 10 years

• Less than 50 years

• Less than 20 years