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Microprocessors | SparkEasy 👉A control unit of a microcomputer - built on a single Integrated circuit, capable of performing arithmetic and logical operation and helps computers to communicate with other devices connected to it, is known as Microprocessor . It contains ALU, Control Unit, and a Register Array. Here, Arithmetic Logic Unit - performs arithmetic and logical operations on the data, which is received from an input device or memory of a computer system. Similarly, Control Unit - controls the flow of data and instructions, and Register Array - contains registers identified by letters like B, C, D, E, H, L, and accumulator. The first commercially launched microprocessor/first-generation microprocessor - the Intel 4004 , was a 4-bit microprocessor . A 4-bit broad memory location is usually called a - nibble. The Intel 4004 microprocessor's instruction set contained only 45 instructions. It weighed much less than an ounce . Intel 4004 was slow compared to the 30-ton ENIAC...

 Central Processing Unit  👉CPU is the brain of a computer system . It performs all major calculations and comparisons and activates and controls the operations of other units of the computer system. To evaluate a computer’s capabilities quickly, it is important to know how CPUs are internally structured, how different CPUs differ from each other, and how to evaluate CPU speed. These and other related concepts are described below.