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WorksheetsMPMC UNIT 1 QUIZ
Total questions: 20
Worksheet time: 10mins
Which is the microprocessor comprises?
Register section
One or more ALU
Control unit
All of the mentioned
A 16-bits address bus can generate _____addresses.
32767
25652
65536
None of the mentioned
Which of the following is a 16-bit register?
AL
AX
AH
All of the mentioned
_______ register is used as a default counter in case of string and loop instructions.
AX
BX
CX
DX
The number of address and data lines of 8086_________.
8 and 8
16 and 16
20 and 16
16 and 20
_______ is the most important segment and it contains the actual assembly language instructions to be executed by the microprocessor.
Data segment
Code segment
Stack segment
Extra segment
In 8086 the overflow flag is set when______.
The sum is more than 16 bit
Carry and sign flags are set
Signed numbers go out of their range after an arithmetic operation
During subtraction
Memory size of 8086 microprocessor
1MB
4KB
256 bytes
128bytes
The number of General Purpose Registers present in 8086 microprocessor
4
14
10
34
The starting address of the segment is called
base address
offset address
effective address
none of the above
NMI stands for
Not memory instruction
not maskable instruction
non maskable instruction
none of the above
After using Shift Arithmetic Right instruction the BL register containing 10101001 becomes
11010100
01010011
The BIU contains FIFO register of size ____________bytes
8
6
4
12
Which one is NOT a 16-bit register in Intel 8088?
AX
SP
DI
BL
How many buses are connected as part of the 8085A microprocessor?
8
5
3
2
Which of following instruction subtract memory and carry
from a,b
AB[a,x,y]
SBC[a,b]
SUB[a,b,d]
tst[a,b]
A machine language instruction format consists of -
Operation code field
Operation code field & operand field
Operand field
none of the mentioned
consider the following
I) Sign flag
II) Trap flag
III) Parity flag
IV) Auxiliary carry flag
Which one of the above flags is/are present in 8085 microprocessor?
(I) only
(I)&(II) only
(II) & (III) only
(I),(III)&(IV)
The___________ translates a byte from one code to another code
XLAT
XCHNG
POP
PUSH
Which one of these is NOT the addressing mode on Intel 80x86 (including 8088)?
Memory
Register
Based Indexed
Immediate
