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1. An improvement to an existing product. Some companies, especially technology companies, offer upgrades to customers for free or at a discount.

2. An improvement to the quality of securities in a portfolio. For example, one may sell a stock with a given risk and return and buy another stock with a higher return at the same level of risk. Alternatively, a security may upgrade by itself; for example, its issuer may announce higher than expected earnings, and, therefore, a higher dividend.

3. An increase in a bond rating. For example, if a bond goes from a junk rating to an investment-grade rating, the bond is said to be upgraded. This usually occurs when the issuer reduces its exposure to one or more risks.


to replace an existing COMPUTER system (HARDWARE and/or SOFTWARE) by a more powerful model capable of processing data faster or storing larger amounts of data. When upgrading, computer users can experience problems of compatibility with existing programs and machines.
References in periodicals archive ?
1 firmware upgrade is available at no cost as part of the company's lifetime warranty on firmware.
This demonstration highlights tecStream's capability to support HD devices such as IEEE1394 HDTVs through a simple firmware upgrade.
The enterprise configuration includes Fibre Channel drives with 4Gb/s FC interface, improved availability with non-disruptive firmware upgrades and doubled capacity with up to 380 TB of storage.
Remote firmware upgrades enable the user to update software releases without disruption to the system configuration.
It can push firmware upgrades to a single device, groups of devices, or all devices attached to the network to support new services or enhance existing services.
Motive's technology will also be used to recognise and resolve technical issues, fully optimise network performance, automatically activate new services, apply firmware upgrades and enhance customer service.
Combining CodeGuard security with encryption software libraries enables a secure kernel that ensures tamper-resistant firmware upgrades and application deployments in the field.
The multi-function printer satisfies South Coast Casino's quality and performance requirements with reliability features such as ITH(TM) (Intelligent Ticket Handling) technology to eliminate torn, smeared, or crumpled tickets, 50% more paper capacity than other printers, and a dedicated port for firmware upgrades.
for protection of on-board data and to facilitate distribution/sale of software, firmware upgrades, or "recipes.
Applications for uMaster's Fast Flash Programming utility are in board manufacture and high-volume board firmware upgrades.
BAM capabilities include, automated line diagnostics and troubleshooting (SELT/DELT); automated subscriber provisioning; bulk firmware upgrades and remote network trouble-shooting.