先行 せんこう読取 よみとりヘッド

senkō yomitori heddo

1. Not a read-ahead head.

1. Was a read-ahead head.

1. Leading read head with

1. Leading read head; Preceding read head

1. It is not the read-ahead head.; It's not the leading read head.

1. It's not the leading read head.; It isn't the leading read head.

1. Was the read-ahead head.

1. Leading read head.

1. Is not the read-ahead head.; Is not a read-ahead head.

1. Wasn't the read head.; Wasn't a predictive read head.

1. Probably the read head is advanced.; Likely a predictive read head.

1. Was not the read-ahead head.; Was not a read-ahead head.

1. Wasn't the leading read head.; Wasn't the preliminary read head.

1. Probably the read-ahead head.

1. Was not the read-ahead head.; Was not a read-ahead head.

1. If/when the leading read head…; If the leading read head were…

1. If/when the leading read head…; If the leading read head exists…

1. If/when the leading read head…; If the leading read head exists…