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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 ?
In response to the needs of a wide range of users, the new firmware upgrades will add such features as a new image-quality setting that facilitates video recording with reduced noise even in low-light conditions2, as well as numerous functions that deliver enhanced basic performance, such as the ability to stream live video over an IP network.
TV One is pleased to announce a 4 input HD-SDI card in addition with a firmware upgrade for the C3-340, CORIOmatrix.
In addition to the data capability, the firmware upgrade for IsatPhone Pro will include service enhancements.
The firmware upgrade also provides a faster AF speed on the camera, which ensures that users never miss that perfect moment.
Thanks to these new features, Canon's new firmware upgrade will enable improved efficiency for the latest video production and editing workflows in response to the high-level demands of a variety of professionals in the industry.
Over-the-air (OTA) firmware upgrade has become a must -have feature for Bluetooth product developers, allowing the firmware on an accessory like a smart watch or activity tracker to be upgraded wirelessly via an app on the phone.
0 firmware upgrade for its range of AT-9000 series eco-friendly Gigabit Layer-2 switches.
Mr Walsh said the Connections Project was delivering water faster and more efficiently, and the radio firmware upgrade was yet another step forward.
The firmware upgrade and Intel SSD Optimizer use the Windows 7 ATA Data Set Management Command (known as Trim) to help keep the Intel SSD running at continued high performance.
Because your Jini-aware tape libraries and bridges have pre-registered for such events, the customer's Jini Lookup service notifies them of the firmware upgrade availability.
As part of the alliance, Lantronix is releasing a free firmware upgrade for the Lantronix SLC console manager, enabling direct interoperability with Server Technology Power Distribution Units (PDU).