From Tubes To Transistors. From UNIVAC to the latest desktop PCs, computer evolution has moved very rapidly. The first-generation computers were known for using vacuum tubes in their construction. The generation to follow would use the much smaller and more efficient transistor. From Tubes...
Clement Attlee continued this arrangement when he came to power in 1945 but appointed a separate Minister of Defence for the first time in 1947. In 1964, the present form of the Ministry of Defence was established, unifying the War Office, Admiralty, and Air Ministry. The records of the War Office are kept by The National Archives under their code WO.
Once the United States entered the  war, Hoover was appointed head of the United States Food  Administration by Woodrow Wilson. Hoover became the 3rd  United States Secretary of Commerce and was in  office from March 5, 1921 to August 21, 1928.     Major Domestic Policy: Issues that were due to The  Great Depression dominated Hoover's presidency.