Tech 21 Century

  • About
  • MY BOOKS
  • Home
  • Electronics
    • Apple Products
    • Gadgets
    • Mobile Phones
  • General Tech
    • Tech News
    • Smart Home Tech
    • Technology Certifications
    • VoIP
    • Web Hosting
  • Software
    • Windows
    • Mobile Apps
    • Software Product Reviews
    • Top Software Products
    • Video Conversion Software
  • Product Reviews
    • Computers and Peripherals
    • Home Routers and Modems
    • Mesh WiFi
    • Smart Home
    • VPN
  • Security
  • Computers
  • Gaming
  • Internet
  • Video Streaming

Mp4 video Format and Mp4 video editor

Video and audio standards and formats are always changing to offer better quality and more efficient disk space utilization. MP4 is one of such newer standards. It uses a compressed file system to provide better and more enjoyable video and audio quality at less the normal size of earlier standards. This multimedia file format is […]

Filed Under: Video Conversion Software

AVS4YOU Coupon Code

70% OFF AVS4YOU Software Regular Price $199.00 Sale Price $59.00 SPECIAL DISCOUNT $47 USD with Coupon TECH-YP0A-AVS (Limited Time Offer)   Regular Price $69.00 Sale Price $39.00 SPECIAL DISCOUNT $31 USD with Coupon TECH-YP0A-AVS (Limited Time Offer)   If you enjoy working with audio and video files, this software suite might be just what you need […]

Filed Under: Video Conversion Software

AVS4YOU Review

If you are looking for an unbiased avs4you review which includes also real testimonials collected from all over the Internet, then you’ve come to the right place. In this article I will try my best to enlighten you on some subtle and finer nuances of this software suit of products and also give you the […]

Filed Under: Software Product Reviews

How To Convert PAL DVD To NTSC

PAL and NTSC are two different video formats used by different countries and regions of the world. NTSC is mainly used in the US, Japan and Canada, while PAL is used in Europe and Africa. Most of the times, a DVD video in one format cannot be played on a player on the other format. […]

Filed Under: Video Conversion Software

How to protect your wireless network

Since wireless networks do not require cables, they are convenient and easy to install, so homes with high-speed Internet access and wireless internal networks are growing rapidly (especially the new wifi mesh systems from vendors like Netgear, Linksys, and Eero as discussed here). Since the wireless network uses radio signals to transmit data, it may […]

Filed Under: Security

VoIP Technology Explained

VoIP protocols and technologies are divided into two major categories: Distributed and Centralized. The MGCP protocol is an example of Centralized VoIP protocol since it supports a centralized client / server architecture. On the other hand, H.323 and SIP protocols are categorized as Distributed since the voice distribution is based on inter-node ad hoc network. […]

Filed Under: VoIP

Voice in IP networks

Currently there is an increased interest in the implementation of triple play communications (voice, video and data) in corporate computer networks. This is because the technologies that support these solutions show their economic viability in a time when traditional telephone services reached their highest point. The introduction of IP telephony technology in the information infrastructure […]

Filed Under: VoIP

The importance of data encryption

In monetary terms, the value of the data in a computer often exceeds the actual cost of the hardware and software of the machine. Therefore, encrypting the information data in our computer system is of utmost importance. Encryption plays an important role in protecting data, not only for maintaining confidentiality of information but also to […]

Filed Under: Security

How to install Backtrack 4 R1 in VMWARE

So I decided to have a look at the latest Backtrack release (Backtrack 4 R1) which is claimed to be the best version released so far from the backtrack community. With the new Linux kernel version 2.6.34 and with significant overall improvements, this release is worth checking out. I always use the virtual machine option […]

Filed Under: Security

Review of Whole House FM Transmitter

UPDATE: There is a new version of this product: Whole House FM Transmitter 3.0 with new and improved features compared to the old one I live in a sunny country in Europe and my house has a big backyard where I, my wife and two kids spend a lot of time outside almost any season […]

Filed Under: Electronics

« Previous Page
Next Page »

Search this Site

Copyright © 2026 | Contact | Privacy Policy & Disclaimers | Amazon Affiliate Disclaimer | Terms of Service