Posts

Troubleshooting Motherboard

Image
  Troubleshooting Motherboard Introduction to Troubleshooting Motherboard: Motherboard is often called the “heart” of a computer — it connects and coordinates every other component, from the CPU and RAM to storage drives and expansion cards. When it develops problems, the entire system can fail, leading to issues like no power, random crashes, or hardware not being detected. Types of Troubleshooting Motherboard: In a Troubleshooting Motherboard is to be have a Nine types. They are:      1. Check the Power Supply      2. Check the CPU      3. Check the Memory       4. Check the Graphic Card      5. Check the Monitor       6. Test with minimal components,isolating the possible cause      7. Clear CMOS      8. Buzzer to troubleshoot      9. Q&A. 1.Check the Power Supply: Please check if the connection of the power cord and electric socket...
Post a Comment
Read more

DISPLAY CONTROLLER

Image
                DISPLAY CONTROLLER INTRODUCTION  WHAT IS DISPLAY CONTROLLER: A display controller in a PC is a component, often an integrated circuit, that handles the process of generating video signals and managing the display output. It interprets display commands, prepares pixel data, and sends the appropriate signals to the monitor to create the visual output. Essentially, it's the bridge between the computer's processing and the visual display. KEY COMPONENTS: 1. Frame Buffer : Stores a full image frame before sending it to the display. 2. Timing Generator (TCON): Keeps the display update cycle in sync. 3. Video DAC or Encoder: Translates pixel data into electrical signals for analog or digital displays. 4. Scaler: Adjusts resolution or aspect ratio to match the display’s capabilities. 5. Overlay/Composition Engine: Combines images, videos, and graphics into a final frame Intel 8279 – display controller diagram: TYPES OF ...
1 comment
Read more

CYBER ACTS

CYBER ACTS IT Act, 2000   Enacted  on 17 th May 2000- India is 12th nation in the world to adopt cyber laws IT Act is based on Model law on e-commerce adopted by UNCITRAL The law applies to the whole of India. If a crime involves a computer or network located in India, persons of other nationalities can also be indicted under the law. The IT Act, of 2000 has two schedules: First Schedule: Deals with documents to which the Act shall not apply. Second Schedule: Deals with electronic signature or electronic authentication method Objectives of the IT Act The Act provides a legal framework for electronic governance by giving recognition to electronic records and digital signatures. It also defines cyber crimes and prescribes penalties for them.  The Act directed the formation of a Controller of Certifying Authorities to regulate the issuance of digital signatures.  It also established a Cyber Appellate Tribunal to resolve disputes rising from this new law.  ...
2 comments
Read more

Digital Forensics

Image
                           Digital forensics is the process of collecting, analyzing, and preserving digital data in a way that is legally admissible, typically for use in criminal investigations or legal proceedings. It involves the recovery of data from electronic devices like computers, smartphones, and servers, even if that data has been deleted, corrupted, or hidden. The core stages of a digital forensics investigation include: Identification of resources and devices involved in the investigation. Preservation of the necessary data. Analysis. Documentation. Presentation. Types of Digital Forensics: Digital forensics can be divided into various branches depending on the source of the digital evidence: Computer Forensics : Deals with the investigation of data stored on personal computers, laptops, or servers. This includes analyzing file systems, hard drives, and detecting deleted files. Mobile Device For...
2 comments
Read more