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CP Plus Quality Controller Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is a processor and tell me 2 types

Ans.

A processor is a central processing unit that executes instructions and performs calculations in a computer system.

  • A processor is the brain of a computer system, responsible for executing instructions and performing calculations.

  • It is made up of various components, including the arithmetic logic unit (ALU), control unit, and registers.

  • Processors can be classified into two main types: microprocessors and microcontrollers.

  • Microprocessors are used in general-purpose computers an...read more

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Q2. How many bits stores a register

Ans.

A register stores a fixed number of bits, typically determined by the architecture of the computer system.

  • The number of bits in a register can vary depending on the computer architecture.

  • Common register sizes include 8 bits, 16 bits, 32 bits, and 64 bits.

  • Registers are used to store data temporarily during processing.

  • Example: In a 32-bit computer system, a register can store 32 bits of data.

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Q3. Tell me three type of addressing modes

Ans.

The three types of addressing modes are immediate, direct, and indirect.

  • Immediate addressing mode: The operand is directly specified in the instruction itself. Example: ADD #5

  • Direct addressing mode: The operand is the address of the data. Example: ADD 500

  • Indirect addressing mode: The operand is the address of a memory location that contains the address of the data. Example: ADD @500

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Q4. How many bits flipflop stores

Ans.

A flip-flop stores one bit of information.

  • A flip-flop is a basic building block of digital circuits.

  • It can store either a 0 or a 1.

  • It has two stable states, which represent the two possible values.

  • Examples of flip-flops include D flip-flop, JK flip-flop, and T flip-flop.

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Q5. What is microprocessor

Ans.

A microprocessor is a small electronic device that functions as the central processing unit (CPU) of a computer.

  • Microprocessors are made up of millions or billions of transistors.

  • They execute instructions and perform calculations in a computer system.

  • Examples of microprocessors include Intel's Pentium series and AMD's Ryzen processors.

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Q6. What is program counter

Ans.

The program counter is a register that stores the address of the next instruction to be executed by the processor.

  • Program counter is a part of the processor's control unit.

  • It keeps track of the execution of instructions in a program.

  • The value of the program counter is incremented after each instruction is executed.

  • If a branch or jump instruction is encountered, the program counter is updated to the new address.

  • Example: If the program counter has a value of 100, it means the n...read more

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