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- February 14 – ENIAC (for "Electronic Numerical Integrator and Computer"), the first general-purpose electronic computer, is unveiled at the University of Pennsylvania.
1946 - ENIAC (singkatan dari "Electronic Numerical Integrator and Computer"), komputer elektronik fungsi-umum, diperlihatkan di Universitas Pennsylvania. - ENIAC was shut down on November 9, 1946 for a refurbishment and a memory upgrade, and was transferred to Aberdeen Proving Ground, Maryland in 1947.
ENIAC diperlihatkan kepada umum pada 14 Februari 1946 di Universitas Pennsylvania dan dipindahkan ke Aberdeen Proving Grounds, Maryland pada 1947. - ENIAC used common octal-base radio tubes of the day; the decimal accumulators were made of 6SN7 flip-flops, while 6L7s, 6SJ7s, 6SA7s and 6AC7s were used in logic functions.
ENIAC menggunakan tabung radio berbasis oktal yang sering digunakan pada masanya, akumulator decimalnya dibuat dari flip-flop 6SN7, sedangkan 6L7, 6SJ7, 6SA7 dan 6AC7 digunakan untuk fungsi logika. - A number of improvements were made to ENIAC after 1947, including a primitive read-only stored programming mechanism using the function tables as program ROM, after which programming was done by setting the switches.
Sejumlah perbaikan juga dilakukan kepada ENIAC sejak 1948, termasuk mekanisme pemrogram tersimpan read-only yang menggunakan Tabel Fungsi sebagai ROM program, sebuah ide yang ditawarkan John von Neumann. - This modification reduced the speed of ENIAC by a factor of 6 and eliminated the ability of parallel computation, but as it also reduced the reprogramming time to hours instead of days, it was considered well worth the loss of performance.
Perubahan ini mengurangi kecepatan ENIAC dengan faktor hingga 6 kali, namun juga mengurangi masa pemrograman hingga tinggal berjam-jam (dari sebelumnya yang mencapai berhari-hari), sehingga kekurangan kecepatan tersebut dianggap pantas.