1.

ESQA meaning in Computing ?

Answer» What is Extended System Queue Area mean?

In IBM mainframe operating systems from the OS/360 and successors line, a Unit Control Block (UCB) is a memory structure, or a control block, that describes any single input/output peripheral device (unit), or an exposure (alias), to the operating system. Certain data within the UCB also instructs the Input/Output Supervisor (IOS) to use certain closed subroutines in addition to normal IOS processing for additional physical device control.

Some other operating systems have similar structures.

reference
Full Form Category
Electronic System Quality Assurance Academic & Science
Extended System Queue Area Computing
European Supervision Quality Award Regional
European Solutions in Quality Assurance Regional


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