/Explained Simply

Straight to the point articles covering the basic theory on various technology topics

Trees vs. Graphs

Trees and graphs are data structures used to resolve various complex problems. Knowing the difference between them is useful in terms of better understanding of the non-linear way of storing data. Definition: Trees and graphs are both abstract data structures. They are a non-linear collection of objects, which means that there is no sequence between [...]

By |2019-04-07T13:20:21+03:00January 1st, 2019|Categories: Explained Simply|Tags: , , |0 Comments

Recursion vs. Iteration

Both algorithms repeatedly execute a set of instructions. Recursion is a function that call itself repeatedly. Iteration is when a loop is executed repeatedly while certain condition is true. Differences between recursion and iteration: Recursion is a process applied on a function, iteration does not require a function.Infinite recursion can lead to system crash (stack [...]

By |2018-12-06T23:24:08+03:00December 7th, 2018|Categories: Explained Simply|Tags: , , |0 Comments

Stacks vs. Queues

Stacks and queues are both very commonly used data structures. They dynamically store and retrieve data items in two different ways. Let’s take a look at these two principles, so we can understand what differences they have and where their uses may be applicable. Definition: Stacks and queues are both abstract data structures and the [...]

By |2019-04-07T13:26:28+03:00December 6th, 2018|Categories: Explained Simply|Tags: , , |0 Comments

What is Recursion?

In the film "Edge of Tomorrow", the main character, Major William Cage, fights against aliens and gets to relive the same day over and over again. Each time he dies, accidentally or with purpose, he is brought back to the same point in time. This special ability allows him to overcome the challenges he is [...]

By |2018-12-05T21:04:58+03:00December 5th, 2018|Categories: Explained Simply|Tags: |0 Comments

Instruction Set Architecture

Instruction Set Architecture (ISA) specifies the instructions that a microprocessor can execute. It can be viewed as a programmer's manual. It clearly defines everything needed for writing either a compiler or machine language program for a microprocessor supporting particular ISA.  The ISA itself does not contain hardware implementations details. There can be microprocessors with different [...]

By |2019-02-08T20:03:43+03:00December 4th, 2018|Categories: Explained Simply|Tags: |0 Comments

Microprocessor Arithmetic Logic Unit

The arithmetic logic unit (ALU) is at the hearth of the microprocessor. It is designed to perform both arithmetic and logical operations on integer binary numbers. Principle of operation The ALU does not need a clock signal as it is a pure combinational digital circuit. The output will change asynchronously in response to change on the [...]

By |2019-04-07T13:17:29+03:00December 3rd, 2018|Categories: Explained Simply|Tags: |0 Comments

Microprocessor Building Blocks

The microprocessor (also known as Central Processing Unit(CPU) ) is a computational machine. It executes arithmetic, logical, control and input/output operations. It is programmable and follows the instructions programmed into its memory. Principle of Operation In order for the processor to perform the task required by a particular instruction, it follows a process called the instruction [...]

By |2019-04-07T13:18:04+03:00December 3rd, 2018|Categories: Explained Simply|Tags: |0 Comments

Memory Addressing Modes

Addressing Mode refers to the way the actual location of an instruction's operand is specified. It is used in the decode phase of the instruction cycle to extract the operand of the instruction so the proceeding execute phase can start. The main purpose of having different addressing modes is to provide flexibility when referencing the memory location of [...]

By |2019-04-07T13:19:36+03:00December 2nd, 2018|Categories: Explained Simply|Tags: , |0 Comments

Microprocessor Instruction Cycle

The microprocessor (also known as Central Processing Unit (CPU)) can be defined simply as a calculation machine. It executes predefined operations called instructions. The steps the CPU performs in order to execute an instruction is called an instruction cycle (also known as fetch-execute cycle or fetch-decode-execute cycle). Understanding the instruction cycle is a great starting point for [...]

By |2019-04-07T13:20:06+03:00December 2nd, 2018|Categories: Explained Simply|Tags: , |0 Comments

Microprocessor Instructions

A microprocessor instruction is a description of an operation that has to be performed on a data. The data is called operand. An instruction may have one or more operands. The microprocessor executes instructions in a process called instruction cycle. Each microprocessor is designed to operate on a specific set of instructions defined in its instruction set [...]

By |2019-04-07T13:20:40+03:00December 2nd, 2018|Categories: Explained Simply|Tags: |0 Comments
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