Related Questions

By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is
A 39.2%
B 48.8%
C 84.8%
D 88.4%
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is
A 39.2%
B 48.8%
C 84.8%
D 88.4%
While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?
A UNDELETE *.*
B UNDELETE/ALL
C UNDELETE/LIST
D UNDELETE
E None of the above
DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?
A 4
B 26
C 1
D 16
E None of the above
While working with MS-DOS, which command is used to force DOS to recheck all clusters when reformatting a disk?
A FORMAT/B
B FORMAT/S
C FORMAT/8
D FORMAT/C
E None of the above
Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?
A cls
B close
C quit
D exit
E None of the above
After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?
A Use the DOS+ command
B Use the SETVER command
C Restore the old DOS version
D Contact the application's vendor support line
E None of the above
How many times the keys of a typewriter have to be pressed in order to write numbers from 121 to 1346?
A 3675
B 4018
C 4021
D 4025
In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?
A F8
B F5
C F4
D Fl
E None of the above
Zinat's father contributes to his daughter's saving by giving he 10% of her total saving. If zinat saves Tk. 100 in june , Tk. 250 in july and TK. 130 in August , how much will she have in savings in tk. at the end of that time. ?
A 528
B 524
C 539
D 480

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