Untitled Flashcards Set

Accumulator Register (AX)

Used for arithmetic instructions; holds the result of mathematical operations.

Base Register (BX)

Used in base operations.

Counter Register (CX)

Used for looping instructions.

Data Register (DX)

An extra register used to extend all registers.

Instruction Pointer (IP)

Holds the memory address of the next instruction to be executed.

Input (Microprocessor Component)

Accepts data and instructions for processing.

Control Unit (CU)

Manages all computer operations.

Arithmetic Logic Unit (ALU)

Performs arithmetic and bitwise operations on integer binary numbers.

Memory

Stores data and instructions temporarily or permanently.

Output

Displays the result of processed data.

Number of bits required to specify addresses in a 32GB memory (byte addressable)

35 bits.

Number of bits required to specify addresses in a 32GB memory (word addressable, 4 bytes)

33 bits.

1 bit

A single binary digit.

Nibble

4 bits.

Byte

8 bits.

Word

16 bits.

Double word

32 bits.

Quadword

64 bits.

Kilobyte

1024 bits.

Two Kilobyte

2048 bits.

Four Kilobyte

4096 bits.

Eight Kilobyte

8192 bits.

Cache Memory

A small-sized type of volatile computer memory that provides high-speed data access to the processor.

Random Access Memory (RAM)

A type of computer memory that can be accessed randomly and is volatile.

Read-Only Memory (ROM)

A type of non-volatile memory that is used primarily in the startup process.

Programmable ROM (PROM)

A type of ROM that can be programmed after manufacturing.

Erasable & Programmable ROM (EPROM)

A type of ROM that can be erased and reprogrammed.

Electrically Erasable PROM (EEPROM)

A type of ROM that can be electrically erased and reprogrammed.

Static RAM (SRAM)

A type of RAM that uses static memory cells.

Dynamic RAM (DRAM)

A type of RAM that needs to be refreshed thousands of times per second.