Explore topic-wise MCQs in Microprocessors.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

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

A. CLEAR
B. EFPR
C. EMMF
D. EMMS
Answer» E.
2.

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
Answer» D. 10
3.

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
Answer» E.
4.

The size of each MMX (Multimedia Extension) register is

A. 32 bits
B. 64 bits
C. 128 bits
D. 256 bits
Answer» C. 128 bits
5.

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
Answer» D. multiple instruction stream multiple data stream
6.

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

A. 32
B. 64
C. 72
D. 79
Answer» C. 72
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
Answer» E.
8.

The instruction, FYL2XP, supports to compute the expression

A. Y*logX
B. Y*log2X
C. Y*log(2X+1)
D. Y*log2(X+1)
Answer» E.
9.

The instruction, F2XMI, is used to compute

A. 2X
B. 2X-1
C. 2X+1
D. 2X+2
Answer» C. 2X+1
10.

The instruction that computes arctan(x) is

A. FTAN
B. FACTN
C. FARCTAN
D. FPATAN
Answer» E.
11.

The instruction that computes tan(x) is

A. FTAN
B. FTNGNT
C. FPTAN
D. FXTAN
Answer» D. FXTAN
12.

The transcendental instruction that supports computation of sine and cosine is

A. FCOSSIN
B. FSNE
C. FSINFCOS
D. FSINCOS
Answer» E.
13.

Which of the following is not a transcendental instruction?

A. FSIN
B. FCOS
C. FMUL
D. FPTAN
Answer» D. FPTAN