A CPU executes an instruction store in the main memory of the computer. An instruction usually consists of two parts: Op-code (Operation to be performed) and operands (on which operation to be performed ( can be address or data itself)). CPU clock controls the timing of each operation. The length of time taken to go … Read moreInternal Architecture of a General CPU
A bus is a group of current-conducting wires over which data is transferred from one device to another. Their types are : Data bus : Transfers data Size is generally proportionate to CPU power. e.g. 64 bit CPU will have 64 bit wide bus. Generally bidirectional. Address bus : Carries the address of the device. … Read moreTypes of Buses in Computer.
The main components of the CPU are– control unit (CU), arithmetic nd logical unit (ALU) and a set of registers. Control Unit : Responsible for controlling the movement of data and instructions in and out of the memory and the CPU. Decodes the fetched instruction and initiates the desired operation to be performed by the … Read moreWhat are Components of CPU?
A computer is a digital machine that generates, processes, stores and transmits information. The essential design of a computer is bases on Von Neumann architecture consisting of two components – a processor and a tore connected through a communication channel. The program instructions and associated data are loaded into the store. Therefore, such a machine … Read moreThe Computer System (Hardware View)
Java does not support native code but there is HotSpot technology that converts few parts of java instructions (byte code) into executable code in real time by compiling it. HotSpot provides Just-in-Time (JIT) compiler for bytecode. JIT compiler compiles code as it is needed. HotSpot is the memory that is provided by JVM to run … Read moreHostSpot Technology in Java
Native code is computer programming (code) that is compiled to run with a particular processor (such as an Intel x86-class processor) and its set of instructions. If the same program is run on a computer with a different processor, software can be provided so that the computer emulates the original processor. In this case, the … Read moreWhat is native code.
Java is a OOP (object oriented language). Which means we see ‘who is effected’ instead of ‘what is happening’. Java was conceived by : James Gosling Patrick Naughton Chris Warth Ed Frank Mike Sheridan at Sunmicrosystems inc. in 1991. Took 18 Months for first version At the start java’s name was oak Renamed to java … Read moreJava brief Intro
Java have two types of data types. Primitive Data Types User Defined Data Types Java is statically typed and also a strongly typed language : because we have to declare the type of each variable and one variable cannot store value of other type of variable. But languages like PHP, Python are dynamically typed because … Read moreData Types and Their Size in Java