Theorem 5.3 Let U and V be vector spaces over F. Then the set of all linear. transformations of U to V with addition and scalar multiplication defined as. above is a linear vector space over F. Proof We leave it to the reader to show that the set of all such linear transfor-.
Rework (electronics) Electronic assembly (PCBA) Rework (or re-work) is the term for the refinishing operation or repair of an electronic printed circuit board (PCB) assembly, usually involving desoldering and re-soldering of surface-mounted electronic components (SMD).
In computer technology, refurbished refers to old or used computer equipment that has been restored to like-new working condition and/or appearance.It may also refer to any computer device that has been sent back to the factory to fix a flaw.efurbished Generally Refers to Hardware. The term typically refers to the hardware components of a computer that have been either replaced with similar components or updated with newer technology than the device originally came with.