Quiz 4 - External Memory Flashcards
T or F: During read and write operations to a magnetic disc the platter is stationary while the head rotates.
False
What is the primary benefit of RAID 1?
Redundancy
What is an example of a non-removable disk?
HDD
In a magnetic disc, what is the term for the nonmagnetic material used to construct the platter?
Substrate
What is RAID 0?
Striped
What is one of the most common substrates?
Glass
T or F: Striping is redundant.
False
What does RAID stand for?
Redundant Array of Independent Disks
In many systems there are two heads. What are they called?
Read, Write
What are the benefits of an SSD compared to an HDD?
Efficiency
Speed
Durability
What instruction is used to grab the top value off the stack and move it into RAX?
pop rax
What does the cmp instruction do?
Subtract second element from first and compare to 0
What will the following code do?
main:
mov rax, 2
mov rbx, 3
cmp rax, rbx
je foo
jg fun
jl fab
foo:
add rax, 2
fun:
sub rax, 2
fab:
jmp main
Create an infinite loop
In which register will the sum be located after the following instruction: add rdx, rax
RDX
what does the jmp instruction do?
Jumps to an instruction label
