1.1 Systems Architecture Flashcards
1
Q
Describe the CPU, and 4 components
A
Central Processing Unit, has an ALU, a CU, registers and cache
2
Q
Describe ALU
A
Arithmetic Logic Unit perform boolean logic operations
3
Q
Describe CU
A
Control unit
Manages Fetch Decode Execute cycle
4
Q
Name components of von Neumann architecture
A
MAR
MDR
Program counter
Accumulator
5
Q
MAR
A
Stores address of current memory location
6
Q
MDR
A
Holds current data
7
Q
Programm Counter
A
Increments the address of current instruction
8
Q
Accumulator
A
Stores result of calculation
9
Q
State 3 factors that affect CPU performance
A
Number of cores
Cache size
Clock speed
10
Q
What is an embedded system
A
Computer built into a larger device
