Acronyms 1 C182 Flashcards
PaaS
Platform as a Service
Provides cloud customers with an easy-to-configure operating system and on-demand computing capabilities
PaaS
IPOS
Input, Process, Output, Storage
MDR
Memory Data Register
Hold the data that is being transferred to or from memory
MDR
CIR
Current Instruction Register
Holds the current instruction during processing
CIR
The wires that serve as electrical roadways, transmitting information between the CPU and other components
Buses (Bus Lines)
The smallest unit of storage
Bit
PII
Personally Identifiable Information
IaaS
Infrastructure As a Service
A cloud computing technology useful for heavily utilized systems and networks
IaaS
SaaS
Software as a Service
A subscription service where you purchase licenses for software that expire at a certain date
SaaS
UEFI
Unified Extensible Firmware Interface
A method used to boot some systems. Replaced Basic Input/Output System (BIOS)
UEFI
ALU
Arithmetic Logic Unit
CU
Control Unit
Very small, Extremely fast bulk of memory in the CPU
Processor Registers
MAR
Memory Address Register
Holds the memory location of data that needs to be accessed
MAR
AC
Accumulator
Holds the ALU (Arithmetic Logic Unit) results
AC (Accumulator Register)
PC
Program Counter
Holds the address of the next instruction
PC (Program Counter)
RAM
Random Access memory
ROM
Read-Only Memory
The primary or main memory
RAM
Stored instructions for crucial system activities
ROM
A pathway from memory to processing unit that carries the address in memory to and from which data is transferred
Address Bus
The lines on the system bus that the CPU uses to send and receive data
Data Bus
This bus carries commands and control signals to and from every component of a computer
Control Bus
Sends out a pulse of electricity at regular intervals. Electric components need these pulses in order to operate
System Clock
System Speed is measured in two primary measurements
Megahertz
Gigahertz
