To simplify retrieving cataloged or passed datasets, the programmer can give a file a unique name by coding a __________ parameter on the OS/JCL DD statement.

Which of the following is TRUE with respect to sharing files on SkyDrive?

A) To use Web Apps to share a document, you must download and install the software. B) Regardless of how a file originated, you can share it only through Web Apps. C) As you share a document, you can indicate whether the recipients can edit the document, or simply view it. D) Files that you share are limited to those created in Microsoft Office or Web Apps.

Which of the following data structures facilitate high-speed searching and sorting and efficient elimination of data items?

a) stacks. b) queues. c) binary trees. d) Both b and c.