You can use the ____ command to move multiple files from one directory to another at once.

A. mv
B. dir
C. ln
D. grep


Answer: A

Computer Science & Information Technology

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Which of the following is NOT true about memory and storage?

A. A storage device records and/or retrieves items to and from storage media. B. Hard disks and solid-state disks generally have the largest storage capacities. C. Most memory keeps data and instructions permanently. D. Storage devices often also function as a source of input and output.

Computer Science & Information Technology

Consider two graphs G 1 and G 2 having 20 nodes each. Both of the graphs have a common Laplacian eigenvalue 4.5, which also is the largest Laplacian eigenvalue of G 2. Is it possible to find a signal defined on graph G 2 that has a 2-Dirichlet form value greater than 2-Dirichlet form of the eigenvector corresponding to the eigenvalue 4.5? Is it possible to find such signal defined on graph G 1 ?

Note: There is a small error in the problem mentioned in the book. This is the correct version.

Computer Science & Information Technology

To return to the ____ screen from any application, press the Windows key on your computer keyboard.

A. notification B. Show Desktop C. Start D. Pinned

Computer Science & Information Technology

The ____ command is used to undo all changes and restore a file back to the last saved state.

a. Revert b. Return c. Restore d. Roll back

Computer Science & Information Technology