Skip to main content

A Digital Computer

 A digital computer is a digital system that performs various computational tasks. The word "Digital" implies that the information in the computer is represented by variables that take a limited number of discrete values. These values are processed internally by components that can maintain a limited number of discrete states. These discrete values are taken by the decimal digits 0 to 9.

 The first electronic digital systems was developed at 1940s late, it was primarily only used for some numerical computations.

 As we all know a digital computer uses binary number system & it can only understand a binary number. And a binary number has only 2 digits 0 & 1. Let me tell you one more interesting thing is that a binary digit is called "bit" here. That means if we use 0 it means its a bit, and vise versa.

 In a digital computer all information is only represented in group of bits. After using various programming techniques & some algorithms, these group of bits can be made to represent not only binary digits but also different-different kinds of symbols such as Alphabets ,decimal digits etc.

 A group of bits called instructions, when we see a program or any kind of activity is running on a computer that means, there are lot of instructions in back-end who are doing that job. 

 That means all the time a computer hardware & software communicates each others in only binary language and we thought it is too easy to use a computer. Actually when we using a program or a computer it firstly compile or assemble the software code to machine language and we know machine language is binary, so when this machine got these group of instructions then it communicates with their all components of this machine & then it tells that what hardware should go where, to show what user want.

But actually what is going on back end of that computer is very interesting in a computer. Very few peoples wants to know that kind of thing, because sometimes it is very complicated to understand these things.

ADVANTAGES OF DIGITAL SYSTEMS:

  • Any digital circuit can be constructed by using switching circuits, because the switching circuit has only two values 0 or 1
  • Special digital devices can be used to store digital data & can hold these data as long as necessary.
  • The fluctuation in voltage or unwanted voltage are not a critical issue for a digital system.

 

Thanks for reading this blog!!!

Labels:

Comments

Post a Comment

Popular Posts

Types of operating systems

Today there are lot of operating systems in the internet but actually they are only based on these main operating systems. What we see on internet is that windows is an OS, Linux is an OS but actually it is not really true. These are true only in simple understanding but when we explore computers more then we see there are lot of types of operating systems available in the market. These are written below...... Batch Operating System Multi-programming OS. Time-sharing or multitasking operating systems Distributed operating System Network operating System Real Time operating System Hard real--time systems Soft real--time systems Batch operating system: These operating system can not interact directly with the computer. Batch processing is a technique in which an Operating System collects the programs and data together in a batch before processing starts.   Multi-programming OS: These type of OS are able to run multiple jobs simultaneously in the memory. For it, memory is considered a...
1 comment
Read more

Know Operating Systems (Briefly)

OPERATING SYSTEM :     Today's lot of operating systems have arrived in the marketplace, but some OS gets failed because of their specifications or trends. Let me tell you what is an Operating System in short " an operating system is just a system software which help us to communicate with a machine using graphical or command line interface."     That's means when someone using his/her smartphone or computer or any type of device that's sure this device has an operating system and there is a proper way to use this device. Every Operating system has its own way or type of using it.    An OS is also making a vital role in the device because there are lot of things in a device which depends on the OS like bluetooth-connectivity, wireless-connections, display and many more things.   WORKING PROCESS :   Basically an OS is a system software so it contains all information about the hardware of this device.    Now...
Post a Comment
Read more

A technical preview of an Operating System

Operating System (OS): An Operating system consists of a set of programs which controls, co-ordinates and supervises the activities of the various components of a computer system. Its function is to link between the computer hardware and the user. An operating system is a software or a series of programmes, which performs various types of functions in order to manage and organize file so". Objectives:  There are lot of objectives of an operating system, actually it covers the birth of a perfect operating system. A user is just like a wanting animal they just want everything. But as a developer we are just tying to make our software more & more better as per user requests. These are some main objectives ------ To describe the basic organization of computer systems. To provide a grand tour of the major components of operating systems. Provide more convenient environment for users. Provide maximum utilized performance to users as per hardware existance. Computer Startup: When a c...
1 comment
Read more

Application Softwares (types of softwares)

  Application Software:   An application software always works under a system software. These softwares are generally a set of one or more programmes, designed to solve a specific problem, or do a specific task e.g. An application software for payroll processing produces pay slips as the major output, and an application software for processing examination results produces mark sheets as the major output along with some other statistical reports.    And also if a person is writing a program to solve his/her personal and particular problems is also comes under the application software. These programs included in an application software package are called application programmes and who made these programs are also known as application programmers. The most commonly known application software are 1. Word Processing Software: A word processing software enables us to make use of a computer system for creating editing, viewing, formatting, storing retrieving and painting ...
Post a Comment
Read more

Solution | Secure Workloads in Google Kubernetes Engine: Challenge Lab | 2022

  Task 0: Download the necessary files :   gsutil cp gs://spls/gsp335/gsp335.zip . unzip gsp335.zip Task - 1: Setup cluster gcloud container clusters create <cluster-name> \    --zone us-central1-c \    --machine-type n1-standard-4 \    --num-nodes 2 \    --enable-network-policy gcloud sql instances create <your-sql-instance-name> --region us-central1 Task - 2: Setup wordpress: Create database - wordpress Go to the SQL -> open the  created instance (wordpress-db-387) -> then database -> Create database  Database name :wordpress Create -> users-> add user Account User name: wordpress Add Add user - wordpress (no password) Service account gcloud iam service-accounts create <your-service-account- credentials> gcloud projects add-iam-policy-binding $DEVSHELL_PROJECT_ID \    --member="serviceAccount:< your-service-account- credentials>@$ DEVSHELL_ PROJECT_ID.i...
Post a Comment
Read more