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Both drums and data cells have disappeared as products, so DASD remains as a synonym of disk, flash and optical devices. Modern DASD used in mainframes only very rarely consist of single disk-drives. Most commonly "DASD" means large disk arrays utilizing RAID schemes. Current devices emulate CKD on FBA hardware.
Under the DoD Reorganization Act of 1958 (PL 85-599, effective 6 August 1958), the position of ASD (R&E) was abolished and replaced by a Director of Defense Research and Engineering (DDR&E). From 19 May 1961, until 15 July 1965, a Deputy Director of Defense Research and Engineering held the additional title of ASD(R&E), on the theory that this ...
The Deputy Assistant Secretary of the Navy for Research, Development, Test and Evaluation (abbreviated DASN (RDT&E) or DASN RDTE) serves as the principal adviser to the United States Assistant Secretary for Research, Development and Acquisition on all matters pertaining to science, technology, advanced research and development programs; system prototype programs; and management of science and ...
Block diagram of count key data track format used on IBM mainframe computers beginning with S/360 shipment in 1965. The reason for CKD track format is to allow data field lengths to vary, each recorded block of data on a DASD track, called a record has an associated count field which identifies the record and indicates the size of the key, if used (user-defined up to 255 bytes), and the size ...
The Assistant Secretary of Defense for Energy, Installations, and Environment (ASD(EI&E)), concurrently the Chief Sustainability Officer, and formerly known as the Deputy Under Secretary of Defense for Installations and Environment (DUSD(I&E)), provides management and oversight of military installations worldwide and manages environmental, safety, and occupational health programs for the ...
The Deputy Assistant Secretary of Defense for Chemical and Biological Defense executes day-to-day management, governance, and resourcing of the Chemical and Biological Defense Program and coordinates with the Executive Agent (EA) for Chemical and Biological Defense (CBD) and other Office of Secretary of Defense components using the procedures ...
Office of the Deputy Assistant Secretary of Defense for Industrial Policy – responsible for ensuring that Department policies, procedures, and actions: stimulate and support vigorous competition and innovation in the industrial base supporting defense
On February 16, 2010 William K. Lietzau was appointed as Deputy Assistant Secretary of Defense for Detainee Policy. [8] By October 2011 he had taken on responsibility for the department's Rule of Law and Humanitarian Policy portfolio, and held the title "Deputy Assistant Secretary of Defense for rule of law and detainee policy". [9]