Practice Tricky Microprocessors Multiple Choice Questions with Answers Quiz-1

Q.1.

Which of the following is not a transcendental instruction?

a) FSIN
b) FCOS
c) FMUL
d) FPTAN

Explanation

Q.2.

The transcendental instruction that supports computation of sine and cosine is

a) FCOSSIN
b) FSNE
c) FSINFCOS
d) FSINCOS

Explanation

Q.3.

The instruction that computes tan(x) is

a) FTAN
b) FTNGNT
c) FPTAN
d) FXTAN

Explanation

Q.4.

The instruction that computes arctan(x) is

a) FTAN
b) FACTN
c) FARCTAN
d) FPATAN

Explanation

Q.5.

The instruction, F2XMI, is used to compute

a) 2X
b) 2X-1
c) 2X+1
d) 2X+2

Explanation

Q.6.

The instruction, FYL2XP, supports to compute the expression

a) Y*logX
b) Y*log2X
c) Y*log(2X+1)
d) Y*log2(X+1)

Explanation

Q.7.

The size of a general purpose floating point register of floating point unit is

a) 4 bytes
b) 40 bytes
c) 8 bytes
d) 80 bits

Explanation

Q.8.

For floating point operations, the bits used by mantissa in a floating point register is

a) 32
b) 64
c) 72
d) 79

Explanation

Q.9.

The multimedia applications mainly require the architecture of

a) single instruction stream single data stream
b) multiple instruction stream single data stream
c) single instruction stream multiple data stream
d) multiple instruction stream multiple data stream

Explanation

Q.10.

The size of each MMX (Multimedia Extension) register is

a) 32 bits
b) 64 bits
c) 128 bits
d) 256 bits

Explanation

Q.11.

After a sequence of MMX instructions is executed, the MMX registers should be cleared by an instruction,

a) CLEAR
b) RESET
c) EMM
d) EMMS

Explanation

Q.12.

The number of pixels that can be manipulated in a single register by the CPU using MMX architecture is

a) 4
b) 6
c) 8
d) 10

Explanation

Q.13.

After executing the floating point instructions, the floating point registers should be cleared by an instruction,

a) CLEAR
b) EFPR
c) EMMF
d) EMMS

Explanation

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