CMPS 002 - Computer Literacy

Prof. Paulo Franca

CyberSlug Rules!

Classes

Class Syllabus

Grading Policy

Labs

• Assignments
• Schedule

Interact

Login

• enter system
• get attendance
• submit work
• take lab quiz
• check scores

Help

Help me!

Links

• UC Santa Cruz
• School of Engineering
• ACM
• IEEE

Staff only

Datacare   Ahshay

MEMORY

• Binary - transistors (on or off, 1 or 0, 5 volts or zero volts)
• RAM = Random Access Memrory - Volatile - when power goes out, contents lost
• ROM = Read Only Memory - Non-Volatile - remembers even if lose power
• Static Memory - Non-Volatile
• Tradeoffs
  • cost
  • speed
  • RAM is cheap and fast
  • ROM is more expensive and slower
  • Static memory is expensive and fast
• Most PC have:
  • ROM - to store Basic computer functions
  • ROM - so computer knows how to communicate with the world when it is powered on
  • RAM - like the scratch paper for the computer and software
  • Usually RAM is denoted in MB: 4, 8, 16, 32 etc with increasing cost of course
  • Usually ROM is in KB 32, 64, 128, 256, 512

CPU - ROM - RAM = basics of a computer

Motherboard - where all the parts fit together