Midterm Review Concepts

Midterm Date/Time March 7th 1:30pmThe topics that will be covered can be found in Chapters 1 6. More specifically Chapter 1, Section 2.2, Sections 3.1-3.4, Sections 4.1-4.3, Sections 5.1-5.2, Sections, 6.1-6.3Appendix: Chapter 19 & Chapter 20 will not be tested directly but you will have to understand the concepts and be able to use them on the exam to solve the problems. Chapter 3

Purpose of software

Program counter

Instruction register

MAR

MBR

Basic instruction cycle

Interrupts

Bus interconnection scheme (p.85)

Data transfer

Moors law

Performance

Chapter 4

Unit of transfer

word

Memory access methods

Access time

Cache replacement algorithms

Victim cache

Cache types, hierarchy and locations

Tag

Line

Thrashing

Write policies

write-through

write back

Chapter 5

Two types of random access memory

Can errors be corrected? If so how.

Rom

Can errors be corrected? If so how.

Parallel access

Error correction

Hamming error-correcting code

Chapter 6

RAID

RAID 0

RAID 1

RAID 2

RAID 3

RAID 4

RAID 5

RAID 6

Magnetic disks

composition

Constant linear velocity

Fixed/moveable read-write head

Multiple/single read-write head(s)

Tracks

Gaps

Winchester

Bit density

CD

DVD

Magnetic disk