MODULE 3-4 Flashcards
function is very specific and they couldn’t be programmed
fixed program computer
can be programmed to carry out many different tasks
stored program computer
STORED PROGRAM CONCEPT
- von-neumann model
- general purpose system
- parallel processing
also known as the princeton architecture
von-neumann architecture/model
IAS 3 BASIC UNITS
- cpu
- main memory unit
- I/O device
handles all processor control
control unit
examples of devices that requires CU
cpu and gpu
digital circuit that provides arithmetic and logic operation
ALU
a very fast computer memory
register
stores the results of calculations
accumulator
keeps track of memory location
program counter
stores the memory locations of instructions
memory address register
stores instructions fetched from memory
memory data register
stores most recent fetched instruction
current instruction register
instructions that is not to be executed immediately is placed in ________.
instruction buffer register
2 major types of memory
- RAM
- ROM
data is transmitted from one part of computer to another
bus
carries data among the memory unit
memory bus
it carries the address of the data
address bus
carries control commands
control bus
considered as the most important part of the computer
CPU
used to manage the operation of the CPU
control unit
digital electronic circuit placed inside the CPU to execute integer calculation
ALU
this unit can store instructions, data , and intermediate results
memory or storage unit
