computer basic knowledge

-

 

What is a Computer?

 

A computer is a dumb machine,  and it is an  electronic device which is capable of :

  • Receiving the data 
  • Producing the output
  • Storing the information 
  • Processing the data on the basis of given set of instructions.

 It is  the made up of hardware and software components.





Hardware Components:

 

CPU (Central Processing Unit):

 The brain of the computer that executes instructions.

Memory (RAM): 

Temporary storage for data and applications.

Storage Drive:

 Long-term storage for data and programs.

 Input Devices:

Keyboard, mouse, and other devices to interact with the computer.

 Output Devices:

 Monitor, speakers, and other devices to display and play output.

 

Software Components:

 

 Operating System: Manages hardware and software resources (e.g., Windows, macOS).

 Applications: Programs that perform specific tasks (e.g., word processing, gaming).

 Utility Software: Programs that manage and maintain the computer (e.g., antivirus, backup software).

 

How  does its  Work:

 

1. Input: User inputs data or instructions through input devices.

2. Processing: CPU executes instructions and performs calculations.

3. Storage: Data is stored in memory or on the storage drive.

4. Output: Results are displayed on output devices.

 
Types of Computers:

 

 Desktop: Personal computers for individual use.

 Laptop: Portable computers for mobile use.

Server: Powerful computers for network management and data storage.

Mainframe: Large computers for enterprise-level processing and data management.

 
Why we needs computer ?

As an easier resource to  things such as communications. through all types of  communication (via internet) we can advertise sell, chat, phone call, location to location and many other things.





Application area of computers

Nowadays computers are considered as a backbone in many fields.
  • Education
  • Millitary
  • Medicines
  • Research
  • Entertainment
  • Business
  • Industry
  • Transportation
  • Office 
 If you have enjoyed this dont miss our other new sweets blogs. 
Location: Pakistan

Comments

Post a Comment

Popular posts from this blog

IT Support and Help Disk

-
Image
    IT Support and Helpdesk   An IT Desk, often referred to as a Help Desk or Service Desk, functions as a centralized support entity aimed at assisting users within an organization and addressing technical challenges. It acts as the initial point of contact for employees, customers, or other users who face difficulties with technology-related services, encompassing hardware, software, networks, and various IT systems.   Types of IT Desks:   IT Desks can be classified according to their support levels and the range of services they offer. The most prevalent types include:   1. Help Desk   • Definition: A Help Desk is primarily a support function that concentrates on resolving fundamental technical issues, such as troubleshooting software, hardware, or network-related problems. It is characterized by a more straightforward, reactive approach, where users reach out to the help desk upon encountering an issue.   • Example: A user who is...
Read more

Difference Between Data Science and Cyber Security

-
Image
  Key Distinctions Between Data Science and Cybersecurity. Data science and cybersecurity are two distinct fields, each having its own duties and areas of emphasis. Let's examine how they differ: 1. Cybersecurity:  o Goal:  Cybersecurity attempts to shield digital assets (including networks, computers, and data) from attacks, illegal access, and security lapses. o Accountabilities:  Setting up defense mechanisms like firewalls and system surveillance. Developing and implementing security policies. Detecting intrusions and eliminating threats in response to occurrences. Ensuring adherence to regulations.     o Typical Positions:  Keep an eye out for security threats on IT infrastructure and react to compromises. Responders to incidents:  Look into security lapses to reduce harm. Computer forensic analysts examine digital evidence in order to investigate cybercrimes. o Industries: banks, tech firms, medical, and other. 2. Information...
Read more

Cloud Computing Service

-
Image
  What Is Cloud Computing?   Cloud computing encompasses the utilization of hosted services, including data storage, servers, databases, networking, and software, delivered via the internet. The data resides on physical servers that are managed by a cloud service provider. In cloud computing, computer system resources, particularly data storage and processing power, are accessible on-demand, without requiring direct oversight from the user.   Rather than saving files on a local storage device or hard drive, users can store them in the cloud, allowing for access from any location with internet connectivity. The services provided through the cloud can be categorized into three main types: infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS), and software-as-a-service (SaaS). Additionally, based on the deployment model, cloud computing can be classified into public, private, and hybrid clouds.   Moreover, cloud computing can be segmented into two d...
Read more