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 CS401 Quiz Assembly Language

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Join date : 2011-06-17
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PostSubject: CS401 Quiz Assembly Language   Tue Jun 21, 2011 5:49 am

Assembly Language (Quiz)

Size Mismatch Error is a syntax error:
False
True

Unconditional jump
Execute in every condition whether true or false
If the condition is true
If the condition is false
None of the given

Bydefault CS is associated with
SS
BP
CX
IP

Register whose each bit specify a different meaning is
Accumulator Register
Pointer Register
Index register
Flag register

Which type of Rotation it is "Every bit moves one position to the right and the bit ropped from the right is inserted at the left. This bit is also copied into the carry flag."
ROL
RCR
RCL
None of the given

Assembly language is not a low level language.
True
False

In JA jump is not taken after a CMP if the unsigned destination is larger than the unsigned source.
True
False

Group of bits processor uses to inform memory which element to read/write is collectively known as
Control bus
Data bus
Address bus
RAM

Memory to Memory operation is allowed
True
False

90 is the op-code of
Do nothing
Add
Subtract
Multiplication

We can not add two base register i.e. (bx bp) or cant use in an instruction
True
False

Intel follow
Littel endian
Big endian
Both littel endian and big endian
None of the given

SHL and SAL are same
True
False

Register whose each bit specify a different meaning is
Accumulator Register
Pointer Register
Index register
Flag register

The first 16-bit processor produced by “Intel” was 8085
True
False

The first 16-bit processor produced by “Intel” was 8085
True
False

The extension of assembly languague file is
.doc
.com
.lst
.asm

By default CS is associated with
SS
BP
CX
IP

When a large number is subtracted from a smaller number, a borrow is needed; in this case which
flag will be set

ZF
CF
SF
OF

All the addressing mechanisms in iAPX88 return a number called _____________ address.

Effective address
Physical address
Direct address
None of the given

In direct addressing the memory address given in the instruction is
Fixed
Variable
Register
Empty

Which type of shifting is "Inserts a zero from the left and moves every bit one position to the right and copies the rightmost bit in the carry flag."
SHL
SAL
SAR
None of the given

mov [1234],ax is an example of
Direct addressing
Base register indirect
Base index
None of the given

Registers are also called scratch pad ram
True
False

we can not Subtract index register from the base register( bx - si )in assembly language
True
False

Register are storage cell
Outside the processor
Both inside and outside the processor
Inside the processor
None of the given

By default CS is associated with
SS
BP
CX
IP

In direct addressing the memory address given in the instruction is
Fixed
Variable
Register
Empty

The basic function of register is to
Hold the operand
Hold the operator
Hold both the operator and operand
None of the given

Instruction Pointer holds the address of the
Previous instruction to be executed
Current instruction
Next instruction to be executed
None of the given

Register to Register Operation is not allowed
True
False

Address is alway go from
Processor to memory
Memory to processor
Memory to memory
None of the given

CX register mostly use a
Counter register
Flag register
Base register
Desination register

The jump is taken if the last arithmetic operation changed the sign unexpectedly.
JO
JNO
JNZ
JZ


In JA jump is not
taken after a CMP if the unsigned destination is larger than the unsigned
source.

True
False

Which type of rotation it is "The carry flag is inserted from the left, every bit moves one position to the right, and the right most bit is dropped in the carry flag.
"

RCR
ROL
RCL
ROR


Which type of
rotation it is "The carry flag is inserted from the left, every bit moves one position to the right, and the right most bit is dropped in the carry flag.
"

RCR
ROL
RCL
ROR

This jump is taken if the last arithmetic operation produced a number in its destination that has
even parity , Which jump is taken

JP
JPE
JNP
both JP and JPE

In direct addressing the memory address given in the instruction is

When a large number is subtracted from a smaller number, a borrow is needed; in this case which flag will be set
ZF
CF
SF
OF

The extension of assembly language file is
.doc
.com
.lst
.asm

Assembly language is not a low level language.
True
False

The basic function of register is to
Hold the operand
Hold the operator
Hold both the operator and operand
None of the given


All the addressing
mechanisms in iAPX88 return a number called _____________ address.

Effective address
Physical address
Direct address
None of the given

BP by default associated with
CS
IP
SS
SP


SHL and SAL are same
True
False

Group of bits
processor uses to inform memory which element to read/write is collectively known as

Control bus
Data bus
Address bus
RAM
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