Переведите предложения, содержащие всевозможные формы причастий: participle i, participle ii, perfect participle active и perfect participle passive. 1. electromechanical memories depend upon moving mechanical parts for their operation. 2. the time required for the computer to locate and transfer data to and from a storage medium is called the access time. 3. being not visible software makes possible the effective operation of computer system. 4. having invented magnetic tapes the germans used them as the secondary storage medium. 5. when properly programmed computers don't make computational errors. 6. having been introduced in the early 1960s magnetic disc storage has replaced magnetic tape storage. 7. the control unit interpreting instructions is one of the important parts of any computer system. 8. data recorded in the form of magnetized dots can be arranged to represent coded patterns of bits. 9. as contrasted with magnetic tapes magnetic discs can perform both sequential and random processing. 10. while having no moving mechanical parts electronic memories can transfer data at very high speed.