Worksheetsmodel lab mpmc
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
8086 microprocessor ic has ____ pins ?
a)
24
b)
38
c)
40
d)
42
2.
8086 kit is connected to ?
a)
keyboard
b)
power adapter
c)
both keyboard and power adapter
d)
none of the abve
3.
which marks the end of code segment ?
a)
code ends
b)
data ends
c)
code segment ends
d)
code finish
4.
In addition program which is a valid command
a)
ADD AX,BX
b)
ADD AX,0004
c)
ADD AX, [BX]
d)
ALL THE ABOVE
5.
In addition program why CLC command is used for add command ?
a)
to clear they carry flag as addition may yield a car
b)
to complement the carry
c)
its not mandatory
d)
none of the abve
6.
In subtraction program borrow is indicated by
a)
carry flag set
b)
sign flag set
c)
zero flag set
d)
all flag reset
7.
In multiplication program higher byte of the result is stored in
a)
BX
b)
DPTR
c)
MEMORY
d)
DX
8.
In Division operation 8086 can obtain
a)
only quotient
b)
quotient and remainder
c)
only remainder
d)
none of the abve
9.
8086 processor has ____ interrupts
a)
256
b)
32
c)
45
d)
56
10.
8086 performs _____ logic gate operations
a)
4
b)
6
c)
7
d)
nil
11.
In searching and programs which is the key instruction ?
a)
JNZ
b)
JNC
c)
CMP
d)
mov
12.
In String manipulation programs REP is used for
a)
repeating the same program
b)
repeating the succeding instruction process till the count becomes 0
c)
repeating till the loop exits
d)
none of the abve
13.
8051 is a _____ bit controller
a)
16
b)
8
c)
32
d)
4
14.
In 8051 programs # before a number specifies
a)
the number is the data
b)
number is the address
c)
number is the offset
d)
none of the abve
15.
dptr points to
a)
external program memory
b)
external data memory
c)
both internal and external data memory
d)
only program memory
16.
subb stands for
a)
subtract binary
b)
subtract with borrow
c)
subtract and borrow
d)
subtract the borrow
17.
8051 has how many ports ?
a)
1
b)
2
c)
3
d)
4
18.
in stepper motor experiment incresing the delay
a)
decreses the speed
b)
increases the speed
c)
rotates the motor clockwise
d)
none of the abve
19.
In traffic light controller experiment how many states can be assigned ?
a)
1
b)
3
c)
15
d)
n
20.
In DAC experiment the output is seen in the
a)
display of the processor
b)
display of the controller
c)
CRO
d)
none of the abve
100 %
