MMX Data Types, Wrap-around and Saturation Arithmetic, Multimedia Application Programming, Pentium III (P-III) CPU MCQ’s

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This set of Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on “MMX Data Types, Wrap-around and Saturation Arithmetic, Multimedia Application Programming, Pentium III (P-III) CPU”.

1. Four words can be packed into 64-bit by using the data type,
a) unpacked word
b) packed word
c) packed doubled word
d) one quad word

2. The number of double words that can be packed into 64-bit register using packed double word is
a) 2
b) 4
c) 6
d) 8

3. In the data type, packed byte, the number of bytes that can be packed into one 64-bit quantity is
a) 2
b) 4
c) 8
d) 16

4. The data type, “one quad word” packs __________ into 64-bit.
a) two 32-bit quantities
b) four 16-bit words
c) one 32-bit and two 16-bit quantities
d) one single 64-bit quantity

5. In a multitasking operating system environment, each task should return to its own processor state which is
a) contents of integer registers
b) contents of floating point registers
c) contents of MMX registers
d) all of the mentioned

6. When an MMX instruction is getting executed, the floating-point tag word is marked
a) 11
b) 10
c) 00
d) 01

7. If the result of an operation is overflowed(exceeded than 16 bits) or underflowed then, only the lower 16-bits of the result are stored in the register and this effect is known as
a) overflow/underflow effect
b) wrap-around effect
c) exceeding memory effect
d) none

8. Which of the following exception generated by MMX is the same type of memory access exception as the X86 instructions?
a) page fault
b) segment not present
c) limit violation
d) all of the mentioned

9. In a preemptive multitasking O.S., the saving and restoring of FP and MMX states are performed by
a) Control unit
b) O.S.
c) MMX instructions
d) MMX registers

10. Pentium III is used in computers which run on the operating system of
a) windows NT
b) windows 98
c) unix
d) all of the mentioned

11. The Pentium III has the operating frequencies as
a) 300MHz,350MHz,400MHz
b) 400MHz,450MHz,500MHz
c) 350MHz,400MHz,450MHz
d) 450MHz,500MHz,550MHz

12. The instruction of MMX that is essential when a floating-point routine calls an MMX routine or viceversa is
a) MOV
b) PADD
c) EMMS
d) None of the mentioned

13. The architecture of CPU of Pentium III is suitable for
a) multimedia
b) image processing
c) speech processing
d) all of the mentioned

14. The Pentium III consists of
a) dual independent bus architecture
b) 512 Kbyte cache
c) eight 64-wide Intel MMX registers
d) all of the mentioned

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