CPU 1
Any external device that provides input and output for the computer
Peripheral
RAM
It is the main memory where all data, instructions and programs currently being processed are stored.
What is fetching (to fetch)?
This operation of the control unit involves getting information from memory.
One byte.
Eight bits
CIR
Current Instruction Register
It is a type of primary memory that holds its content permanently.
ROM
What is registers?
Small& fast circuits that store intermediate values from calculations or instructions inside the CPU.
Program Counter holds ____
Address of the next instruction
1 KB
1024 bytes
HDD
Hard Disk Drive
It is the memory where programs and data are kept on a long-term basis.
Secondary Memory
Cache
A small high-speed memory in the CPU that holds most frequently used instructions which makes the CPU run faster.
What is executing?
This operation of the control unit involves carrying out the command.
1024 MB
1 GB
SSD
Solid State Drive
A small program that allows the computer to know what to do and find the operating system to boot the computer after power is restored.
BIOS - Basic input output system
What is the Arithmetic Logic Unit (ALU)?
Performs the execution part of the machine cycle such as addition, subtraction, multiplication, division and logical operations
What is storing?
This operation of the control unit involves writing the result to memory.
1024 GB
1 TB
CLI
Command Line Interface
Computer memory that is accessed directly by the CPU. It includes several types of memory, such as the processor cache, RAM and system ROM.
Primary Memory
What is the Central Processing Unit (CPU)?
Interprets and carries out the basic instructions that operate a computer (brain of the computer)
The Accumulator does this.
Stores the results of executed instruction
1 bit is either these two
0s and 1s
GUI
Graphical User Interface