Which of the following cache replacement algorithm that replaces the block in the set that has experienced the fewest references?

	a.	LFU
	b.	LRU
	c.	LIFO
	d.	FIFO

Magnetic disks are examples of ____________ external devices.

	a.	human readable
	b.	control
	c.	machine readable
	d.	communication

In ____________ technique, The I/O module and main memory exchange data directly without processor involvement.

	a.	Random memory access
	b.	Programmed I/O
	c.	Direct memory access (DMA)
	d.	Interrupt-driven I/O

Which of the following is NOT true about the Assembly language?

	a.	Mnemonics are used for the instructions.
	b.	A program called an assembler translates assembly language into machine language.
	c.	Assembly language is more difficult for humans than machine language.
	d.	The design of the processor must be known.