1. if a has 33 1/2 % richer than B , B is less than A by.
a.16 1/3 b.27 c. 38 d. 42
2. 10% of an officer deducted for hr, 15% rent, 20% of the rest for savings, n remaining for ….. that is equal to 1431… find the total amt…(RS AGG)
3. If M min spent on each sub n there r s subjects , time spent in am hour in all is ..
a.1/MS b. 60/MS c. 60M/s d. MS/60
ans: b.
4.i dn’t remember…but simple..
5.”"”"
a
6.Area of |————|\
b | | \
|____________|__ \
b
i have jus tried to make a fig.. i hope u got it a rect attached with a triangle find area ..
ans : a*b+ 1/2 *b*b
=b(a+b/2) sq.meters
7. 8. 9 . 10…. qiute simple..
Electronics
1. 8254 counter :
down ctr
up ”
up-down ”
programmable”
2.an x bit processor is defined by
a.prog ctr size
b.address bits
c.ale signal
d.none of the above
ans..d
3. A bjt in cb mode is
a. power ampl.
b. current ”
c. voltage ampl.
d. power / current ”
4. find odd one:
z 80
8085
8086
8088
ans: 8086 (16 bit)
5. match..
a. interrupt 1> I/O device
b. hold 2>memory
c. wait 3> DMA ctroller
ans: a-1 , b – 3, c – 2
6.PPI is: 8255
7.Keypad ctroller is 8279
8……20
were all simple but may be the cutoff was out of out
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