Digital Signal Processing Computer MCQs

Question 1

The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the:

Accepted Answer

program counter

Answer

stack pointer

Answer

instruction pointer

Answer

accumulator

Question 2

The 8085A is a(n):

Accepted Answer

8-bit parallel CPU

Answer

16-bit parallel CPU

Answer

8-bit serial CPU

Answer

none of the above

Question 3

Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.

Accepted Answer

binary machine code

Answer

hexadecimal machine code

Answer

assembly language

Answer

all of the above

Question 4

Which bus is a bidirectional bus?

Accepted Answer

data bus

Answer

address bus

Answer

address bus and data bus

Answer

none of the above

Question 5

Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?

Accepted Answer

control bus

Answer

data bus

Answer

address bus

Answer

address decoder bus

Question 6

What kind of computer program is used to convert mnemonic code to machine code?

Accepted Answer

assembler

Answer

debug

Answer

C++

Answer

Fortran

Question 7

Which of the following are the three basic sections of a microprocessor unit?

Accepted Answer

control and timing, register, and arithmetic/logic unit (ALU)

Answer

operand, register, and arithmetic/logic unit (ALU)

Answer

control and timing, register, and memory

Answer

arithmetic/logic unit (ALU), memory, and input/output

Question 8

Which of the following is not a basic element within the microprocessor?

Accepted Answer

Microcontroller

Answer

Arithmetic logic unit (ALU)

Answer

Register array

Answer

Control unit

Question 9

Which method bypasses the CPU for certain types of data transfer?

Accepted Answer

Direct memory access (DMA)

Answer

Software interrupts

Answer

Interrupt-driven I/O

Answer

Polled I/O