CompTIA A+ Flashcards
1st Step in CompTIA trouble shooting theory?
Identify the problem
2nd step in CompTIA trouble shooting theory?
Establish a theory of probable cause
3rd step in CompTIA trouble shooting theory?
Test theory of probable cause
4th step in CompTIA trouble shooting theory?
Establish a plan of action and implement solution
5th step in CompTIA trouble shooting theory?
Verify full system functionality and if applicable implement preventive measures
6th step in CompTIA trouble shooting theory?
Document findings, actions, and outcomes
ESD?
Electro Static Discharge
System Unit?
The physical enclosure that houses the main components of a computer
Modern Processors are distinguished by what two features?
Clock speed and Cores
1cycle per second? 1 million cycles per second? 1Billion cycles per second
1 hertz, 1 Megahertz & 1 Gigahertz
APU?
Accelerated Processing Unit
Intel CPUs use what kind of connection?
Land Grid Arrays
AMD CPUs use what kind of connection?
Pin grid arrays
ISA?
Instruction Set Architecture
What is a Zero Insertion Socket?
A mounting bracket for the CPU
SDRAM?
Synchronous Dynamic Random Access Memory
DDRRAM?
Double Data Rate RAM
DDR2RAM
Double Data Rate 2 RAM
Always multiply the RAM speed rating by __ when getting PC speed rating?
8
Double sided RAM?
A RAM stick with RAM on both front and back of the stick
Channel?
The slots where the RAM sticks are inserted into
Dual Channel Memory?
Slots that require two RAM sticks of equal size to be installed for PC to function
ECC?
Error Correction Code
SODIMM?
Small Outline Dual Inline Memory Module
SPD?
Serial Presence Detect is a small chip on a RAM stick that allows computer to read what kind of RAM the PC has installed
Swapfile is equal to?
Virtual Memory
DDR4 RAM has how many pins?
288 pins
DDR3 RAM has how many pins?
240 pins