Read the following statements about files in Pascal A file is a data structure which consists of a sequence of components of the same type. The number of components in a file is variable. The components in a file can be accessed only sequentially sta

Read the following statements about files in Pascal

1. A file is a data structure which consists of a sequence of components of the same type.
2. The number of components in a file is variable.
3. The components in a file can be accessed only sequentially starting from the beginning of the file.

Which of the above are correct?