etymology
Originally the word called computer was words to hint at the person who performed an arithmetic calculation. This use is still effective (but I become very rare in the English zone). The second edition Oxford English Dictionary(OED2) Then I write down the first year spent as words to hint at the calculation device that this word is mechanical with 1897. Some qualifiers that computer gets are introduced by OED2 to distinguish the computer of the different type by 1946. analogue, digital, a word such as electronic are included in these modifiers. However, it is clear that these words were already used before 1946 by various citations.