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
Options: they emit light of a constant intensity, their distance from the earth does not change with time, they are very far away from the earth resulting in decrease in intensity of light, they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
Options: using several computers to control one large machine, using one computer to control several machines, complete elimination of a need for a human operator., eliminating computers from the manufacturing process
Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?
Options: The router is not configured for the new host., The VTP configuration on the switch is not updated for the new host., The host has an invalid MAC address., The switch port the host is connected to is not configured to the correct VLAN membership.
1.It is an electronic commerce in services, i.e. the provision of services with the assistance of telecommunications and telecommunications-based tools. It excludes traffic in physical goods, and hence is concerned with applications of electronic business where, at least in principle, the entire activity can be performed electronically.
Options: (A)Electronic data interchange (EDI) (B) Electronic Publishing (C) Electronic Services Delivery (ES(D) (D) None of these 1