Respuesta :

nightbot6919

Answer: Some features are,

Vacuum-tube technology

Unreliability

Supported only by machine language

Overpriced

A lot of heat generation

Slow input and output devices

Bigger in size

Pick any

Hope this helps!

amandagonzalez24

Answer:

Machine language.

Magnetic tapes and magnetic drums.

Paper tape and punched cards.

Very slow and very large in size (often taking up entire room).

Explanation:

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