OS 2.1(1)

What is memory management?

• is a software utility or term used to describe computer memory in the computer.

• is a software utility or term used to describe a memory manager.

CPU can access this memory directly.

• Main memory

• Registers

• Magnetic Tape

• SSD

Data should be moved "here" so that the CPU be able to operate on them. Where is "here"?

• Main memory

• Register

• Cache

• SSD

"one cycle of CPU clock" is also known as

• clock tick

• clock cycle

• clock speed

• CPU speed

Memory manager

• Keep track of which parts of CPU are currently being used and by whom.

• Decide which processes and data to move into or/and out of memory.

• 1. Allocate and de-allocate RAM as needed.

Which level of hierarchy fulfil these characteristics?

"Biggest memory size, slowest access time and cheapest price."

• Level 0

• Level 1

• Level 2

• Level 3

What is A ?

• Fetch

• Placement

• Replacement

What is "i" in the diagram.

• Best Fit

• LFU

• Fetch

What is "v" in the diagram.

• Best Fit

• LFU

• Fetch

Placement Strategy Approach is a number of approach that are used to allocate space to the processes that are competing for memory.

Which approach search the entire list then choose blocks with smallest leftover?

• Best Fit

• First Fit

• Worst Fit