Which one of the following phrases most accurately describes a purely inductive circuit?
Options: Resistances provide the only opposition to current flow, Inductive reactance provides the only opposition to current flow, Combinations of resistance and inductive reactance provide any opposition to current flow, The ac voltage lags the current by 90 degree
In laser printer technology, what happens during the conditioning stage?
Options: The corona wire places a uniform positive charge on the paper, A uniform negative charge is placed on the photosensitive drum, A uniform negative charge is placed on the toner, All of the above
Options: (A)each user can â€œseeâ€ only a small part of the entire database (B) each user can access every subschema (C) each subschema contains every field in the logical schema (D) none of the above is true 7
Options: (A)dissimilar machines with minimum modification (B) similar machines with maximum modification (C) dissimilar machines with maximum modification (D) similar machines with maximum modification 11
4.A-Fixed-Head disk, B-Movable-Head disk, 1One head per track and al head are mounted on rigid arm that extends across all tracks. 2- Only one head and head is mounted on the arm, such that it can position the track.
Options: (A)A â€“ 1, B â€“ 2 (B) A â€“ 2, B â€“ 1 (C) A â€“ 1, B â€“ 1 (D) A â€“ 2, B â€“ 2 17
What is the difference between ‘Open’ and ‘Open Exclusively’?
Options: a. Open statement opens access database files and Open Exclusively opens database files of other program like Oracle
b. Open Exclusive locks whole database so that no one can access it whereas Open locks only the record that is being accessed
c. Both Open and Open Exclusively are same
d. Open Exclusive command does not exist in MS Access