Related Questions

Which access method is used for obtaining a record from a cassette tape?
A Direct
B Sequential
C Random
D All of the above
E None of the above
Resource locking is a process to prevent multiple applications from obtaining copies of the same record when the record is about to be changed.
A True
B False
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?
A Track number
B Sector number
C Surface number
D All of the above
E None of the above
Hysteresis motor is particularly useful for high-quality record players and tape-recorders because
A it revolves synchronously
B it is not subject to any magnetic or mechanical vibrations
C it can be easily manufactured in extremely small sizes of up to 1 W output
D it develops hysteresis torque which is extremely steady both in amplitude and phase
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will
A Cause withdrawing or throttling of steam
B Reduce length of effective stroke of piston
C Reduce maximum opening of port to steam
D All of these
Which of the following is used to derive the address, of a record from the record key
A comma
B hashing
C variable
D field
E None of the above
For obtaining vinyl chloride acetate, the method used, is
A Addition polymerization
B Condensation polymerization
C Co-polymerization
D None of these
The method of addition polymerization is used for obtaining:
A Polystyrene
B Polypropylene
C Polyvinylchloride
D All of these
A Ring, refers to a record chain, the last of which refers to the first record, in the chain, is called a/an
A addressing
B location
C pointer
D loop
E None of the above
One of the warmest winters on record has put consumers in the mood to spend money. Spending is likely to be the strongest in thirteen years.During the month of February. sales of existing single-family homes hit an annual record rate of 4.75 million. This paragraph best supports the statement that:
A Consumer spending will be highr, thirteen years from now than it is today.
B more people buy houses in the month of February than in any other month.
C warm winter weather is likely to affect the rate of home sales.
D during the winter months , hte prices of single-family homes are the lowest.

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