Processors For Dummies

Front 1

What's the difference between a Data Bus & an Address Bus?

Back 1

1. A data bus carries data
2. An address bus is used to specify a physical address in memory.
eg. When a processor needs to read or write to a memory location, it specifies that location on the Address Bus, & the value to be read or written is sent on the data bus.

Front 2

Cache memory is integrated right into the processor’s chip and is made up of...

Back 2

SRAM

Front 3

What's the difference between Real Mode memory & Protected Mode?

Back 3

A real-mode processor sees memory as a whole unit and deals with it as a single entity. In other words, if you have 512MB of RAM, the real-mode processor sees that as one block of memory. This is limiting because to run multiple programs at the same time, each program has to be assigned its own independent block of that 512MB - so these CPUs can't do multitasking.

2. Protected Mode Ps segregate system memory into diff parts & assign applications to each part of memory.

Front 4

After the Pentium was developed, Intel introduced a feature called ____.

___ added 57 new instructions that were built into the processor and told the system how to work with audio, video, and graphics.

Back 4

MMX

Front 5

_____ allows a processor to logically act as two different processors by being able to execute simultaneous threads.

Back 5

HTT or Hyperthreading Technology or HT technology

Front 6

When did Intel unveil HTT?

Back 6

With the Pentium 4