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CS 1105-01 Digital Electronics & Computer Architecture - AY2025-T4

CS 1105-01 Digital Electronics & Computer Architecture - AY2025-T4

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What type of register allows data to be loaded serially and read out in parallel?

4-bit Parallel-in Serial-out

4-bit Serial-in Parallel-out

4-bit Synchronous Binary Counter

4-bit Parallel-in Parallel-out

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In a three-state buffer, what does the third state represent?

Disconnected (high impedance) state

Intermediate voltage level

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Which of the following best summarizes the importance of interrupt handling in a computer system?

It allows the CPU to ignore external events.

It prevents the CPU from performing multiple tasks simultaneously.

It increases the system’s power consumption.

It enables the system to respond quickly to high-priority tasks.

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In the implementation of logic functions, what advantage does using a multiplexer offer?

Reduces power consumption

Simplifies the logic circuit by reducing the number of required gates

Increases the speed of the logic circuit

Automatically checks for parity errors

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What is the main purpose of an encoder in digital circuits?

To convert multiple input signals into a smaller set of outputs

To generate a parity bit

To select one of many inputs

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Which of the following is a key difference between Programmable Logic Devices (PLDs) and Application-Specific Integrated Circuits (ASICs)?

PLDs are fixed and cannot be reprogrammed, while ASICs are reprogrammable.

PLDs are used only in memory design, while ASICs are used in digital circuits.

PLDs are typically more expensive than ASICs.

PLDs can be reprogrammed, while ASICs are custom-designed for a specific task.

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Which of the following is a significant challenge when translating a program from a low-level language to a high-level language?

Enhancing the code readability

Increasing the code’s execution time

Retaining the original program structure

Converting comments to machine instructions

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What is the primary function of a master-slave D flip-flop?

To buffer D inputs

To operate at high speed

To change state on the positive clock edge

To synchronize two states using clock edges

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Which of the following is a primary function of an Instruction Set Architecture (ISA)?

To determine the speed of the processor's clock

To specify the set of operations that a processor can execute

To define the physical design of the processor

To manage the power consumption of the processor

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During program translation, which phase focuses on converting high-level control structures (like loops) into equivalent assembly language constructs?

Semantic analysis

Code generation

Lexical analysis

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