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Vacuum Tubes

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DEFINITION: Also see cathode ray tube ( CRT ), the specialized kind of vacuum tube that is in most desktop display monitors.A vacuum tube (also called a VT,  electron tube or, in the UK, a valve ) is a device sometimes used to amplify electronic signals. In most applications, the vacuum tube is obsolete, having been replaced decades ago by the bipolar transistor and, more recently, by the field-effect transistor  … 
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Vacuum TubesWhite Papers (View All Report Types)
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Reworking the Infrastructure for IT Efficiency
sponsored by IBM
WHITE PAPER: This whitepaper focuses on the ability of pre-integrated, pre-configured, and pre-optimized hardware platforms to help improve efficiency in modern data centers.
Posted: 12 Nov 2013 | Published: 31 Jul 2013

IBM

Roadmap to an Omni-Channel-Aware POS Update
sponsored by Toshiba
WHITE PAPER: Today's multi-channel retail environment demands tools that will help support customer interactions across a variety of platforms. This comprehensive e-book provides an in-depth look at the three essential components of converting to an omni-channel aware POS.
Posted: 12 May 2014 | Published: 12 May 2014

Toshiba

Sharpening Your Competitive Edge with B2B Managed Services
sponsored by OpenText GXS
WHITE PAPER: Find out what an effective B2B managed services solution should provide so you can improve the capabilities of your business, and the efficiency of your supply-and-demand chain.
Posted: 30 May 2014 | Published: 30 May 2014

OpenText GXS

Slow and Steady Wins the Race to the Private Cloud
sponsored by IBM
WHITE PAPER: Access this exclusive, expert whitepaper to uncover the ins-and-outs of IBM SmartCloud – and how you can benefit from adopting this cloud deployment solution.
Posted: 26 Feb 2014 | Published: 28 Feb 2013

IBM

SQL Server HA and DR: A Simple Strategy for Realizing Dramatic Cost Savings
sponsored by SIOS Technology Corp
WHITE PAPER: Read this exclusive white paper to find out how you can tackle SQL Server downtime without busting your disaster recovery protection and high availability budget.
Posted: 21 Apr 2014 | Published: 31 Jan 2014

SIOS Technology Corp

The giant’s advantage: Why cloud computing levels the playing field for small businesses
sponsored by GFI Cloud
WHITE PAPER: In this white paper, you will find effective cloud computing solutions that will help your business grow—not only for technical purposes, but also with the relationship between your team.
Posted: 15 Jul 2014 | Published: 15 Jul 2014

GFI Cloud

Top 5 SQL Server Cluster Setup Mistakes
sponsored by Idera
WHITE PAPER: Uncover the top 5 SQL Server cluster setup mistakes and learn how to avoid them.
Posted: 18 Jul 2014 | Published: 18 Jul 2014

Idera

Top Ten Considerations For A Successful Windows 8 Deployment
sponsored by Dell and Microsoft
WHITE PAPER: Windows 8 boasts a number of upgrades and enhancements, and for the users of legacy Windows versions, time is running out to migrate.
Posted: 05 Oct 2012 | Published: 05 Oct 2012

Dell and Microsoft

Vendor Duo Can Provide the Private Cloud-Based Flexibility Solution you Need
sponsored by VMware and IBM
WHITE PAPER: Explore this game-changing resource to uncover the key features of a private cloud solution duo, which can provide your users with secure, available-access to your business-critical knowledge – and make virtualized business intelligence a reality for your organization.
Posted: 09 Apr 2014 | Published: 28 Feb 2014

VMware and IBM

Running SAP NetWeaver on the Oracle Exalogic Elastic Cloud: An Architectural Overview
sponsored by Oracle Corporation
WHITE PAPER: This white paper underscores the importance of a cohesive SAP infrastructure. Explore a recommended architecture and the process involved in implementing it.
Posted: 02 Aug 2012 | Published: 01 Sep 2011

Oracle Corporation

Small Business Firewall Software Vs. Hardware Firewalls
sponsored by Cisco Systems, Inc.
WHITE PAPER: Small business firewall software and hardware firewalls are the methods used to protect computers against hacker attacks and other Internet threats.
Posted: 02 Feb 2009 | Published: 02 Feb 2009

Cisco Systems, Inc.

Solihull Council Marks a Decade with Red Hat Open Source Technology , Saving over £1 Million
sponsored by Red Hat and HP
WHITE PAPER: In this informative paper, learn why a government industry has relied on the same Linux solution for the past ten years, using an open source model to simplify software and hardware implementations, reduce costs, and more.
Posted: 10 Apr 2013 | Published: 10 Apr 2013

Red Hat and HP

Support PCI Security Compliance with Enhanced Solutions from IBM
sponsored by IBM
WHITE PAPER: This white paper briefly describes PCI requirements, the benefits of compliance and the penalties for noncompliance.
Posted: 13 Feb 2009 | Published: 13 Feb 2009

IBM

Symantec NetBackup 5000 Appliance: Turnkey Deduplication Solution for the Enterprise
sponsored by Symantec Corporation
WHITE PAPER: Most IT organizations today are challenged with the problem of rapid data growth. Read this white paper to find the right data management solution for your organization.
Posted: 28 Dec 2010 | Published: 28 Dec 2010

Symantec Corporation

System Recovery-Breaking through the Dissimilar Hardware Restore Challenge
sponsored by Symantec Corporation
WHITE PAPER: This paper discusses how Symantec Backup Exec System Recovery Restore Anyware can dramatically change the way organizations perform a wide range of IT tasks, including bare-metal system recovery and restoration to dissimilar hardware.
Posted: 20 Mar 2008 | Published: 01 Dec 2007

Symantec Corporation

Taking a SIP: What Executives Should Know about IP Transformation in the Contact Center
sponsored by Genesys
WHITE PAPER: This white paper is intended for executives who are seeking to understand why SIP (Session Initiation Protocol) is a must-have technology for the contact center today, and how SIP-enabled IP solutions can help align you with your goals.
Posted: 04 Sep 2008 | Published: 04 Sep 2008

Genesys

The Corporate PC Refresh Project
sponsored by Cibecs
WHITE PAPER: This comprehensive white paper explores the many challenges organizations need to address in order to ensure smooth implementation, coordination and management of their PC refresh initiatives.
Posted: 06 Jul 2011 | Published: 06 Jul 2011

Cibecs

The Cost and Benefits of On-Demand Vs. On-Premise Procurement Software
sponsored by coupa.com
WHITE PAPER: While there are dozens of procurement software solutions available, there are really only two types offered: "on-premise" procurement software and newer "ondemand" procurement software. This paper outlines an approach to compute and compare them.
Posted: 10 Sep 2008 | Published: 10 Sep 2008

coupa.com

The State of the i
sponsored by Connectria Hosting
WHITE PAPER: Access this white paper to learn about the developments of IBM i on Power Systems. Discover how to achieve valuable benefits like reliability, simplified installation and administration, continuing hardware innovations and much more.
Posted: 18 May 2012 | Published: 18 May 2012

Connectria Hosting

Thirty-One Best Practices for the Service Desk
sponsored by GoToAssist
WHITE PAPER: This paper discusses about the thirty one best practices which can serve as the starting point for various evaluation and improvement process.
Posted: 20 May 2008 | Published: 28 Jun 2005

GoToAssist

Top 3 Reasons for IT to Adopt Desktop Virtualization
sponsored by VMware
WHITE PAPER: This whitepaper explains the three major reasons organizations should absolutely consider VDI for the business.
Posted: 07 Oct 2013 | Published: 07 Oct 2013

VMware

Two Billion Entry Directory Benchmark
sponsored by Oracle Corporation
WHITE PAPER: This benchmark evaluates Oracle Internet Directory performance under scales and throughput rates representative of those encountered in production use in both the communications industry and as part of large scale delivery architectures.
Posted: 10 Apr 2008 | Published: 01 Mar 2008

Oracle Corporation

Unlocking the Full Power of Massive Parallelism: Solving the Network Bottleneck in MPP Databases
sponsored by Aster Data Systems
WHITE PAPER: This paper describes the technical limitations inherent in the architecture of traditional databases and other MPP (massive parallel processing) alternatives.
Posted: 09 Dec 2008 | Published: 09 Dec 2008

Aster Data Systems

Using Virtualization and Digital Control Technologies to Increase Data Center Operating Efficiency
sponsored by Liebert Corporation
WHITE PAPER: This paper focuses on tools that are being developed to balance work load in the data center to improve thermal management.
Posted: 20 Feb 2008 | Published: 01 Jan 2007

Liebert Corporation

Virtualization in Education
sponsored by IBM Line of Business
WHITE PAPER: This white paper discusses how virtualization technology can help connect educators and students to applications and information from almost any device.
Posted: 12 Jun 2008 | Published: 01 Oct 2007

IBM Line of Business
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VACUUM TUBES DEFINITION (continued): …  . However, tubes are still used in some high-power amplifiers, especially at microwave radio frequencies and in some hi-fi audio systems.Tubes operate at higher voltages than transistors. A typical transistorized amplifier needs 6 to 12 volts to function; an equivalent tube type amplifier needs 200 to 400 volts. At the highest power levels, some tube circuits have power supplies delivering several kilovolts.Vacuum tubes are making a comeback among audiophiles who insist that tubes deliver better audio quality than transistors. These old-fashioned components are more electrically rugged than their … 
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