. In Word, the default alignment for paragraphs is _____.
Options: a. left-aligned, or flush margins at the left edge and uneven edges at the right edge
b. centered, or equidistant from both the left edge and the right edge
c. right-aligned, or flush margins at the right edge and uneven edges at the left edge
d. justified, or flush margins at both the left and right edges
Which one of the following statements is true for the currents in a series RC circuit?
Options: The current always has the same amplitude and phase for every part of the circuit, The total current is equal to the sum of the currents for the resistance and capacitance, The total current is greater than the sum of the currents for the resistance and capacitance, The total current is less than the sum of the currents for the resistance and capacitance
Options: a. Is used to delete all the records of all tables in a database
b. Will repeat the recent delete operation to all the records of current table
c. Is available in edit relatiionship dialog box which makes sure that all the related records will be deleted automatically whn the record from parent table is deleted
d. None of above
Options: Subset of a Cartesian product of a list of attributes
B. Subset of a Cartesian product of a list of domains
C. Subset of a Cartesian product of a list of tuple
D. Subset of a Cartesian product of a list of relations
Ans:– B ,
A device or system not directly connected to the CPU is
. If you are working in English (US), Chinese or Japanese, Excel 2002 can speak data as you enter it, to help you verify accuracy. How do you activate this feature?
Options: a. Point to speech on the tools menu, and then click show text to speech toolbar. b. Click validation on the data menu c. Point to speech on the tools menu, and then click speech recognition d. All of above
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?
A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The subnet masks should be set to 255.255.255.0.
Options: 1 only, 2 only, 3 and 4 only, 1 and 5 only
Options: converting digital signals to analog signals, converting analog signals to digital signals, combining many low speed channels into one high speed channel, dividing the high-speed signals into frequency bands