Terralogic Software Solutions Interview Questions and Answers

Explanation of differences between functions and tasks in simulation time units and arguments

• Functions execute in one simulation time unit, while tasks can contain time-controlling statements

• Tasks can enable other tasks or functions, while functions cannot enable tasks

• Functions have at least one input type argument and no output or inout type argument, while tasks can have zero or more arguments of any type

• Functions return a single value, while tasks do not necessarily return...read more

Verilog task is a block of code that executes sequentially while Verilog function returns a value.

• Tasks are used for procedural operations while functions are used for mathematical operations.

• Functions can be called from within tasks or other functions while tasks cannot be called from within functions.

• Functions can have input and output arguments while tasks cannot have any arguments.

• Example of a task: task myTask; ... endtask

• Example of a function: function [31:0] myFunction...read more

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Instrumentation is the process of measuring and collecting data to monitor the performance and behavior of a system.

• Instrumentation involves the use of sensors, devices, and software to gather data.

• It is used to track and analyze various parameters such as temperature, pressure, speed, and more.

• Instrumentation is crucial in industries like manufacturing, aerospace, automotive, and healthcare.

• Examples of instrumentation include temperature sensors in a chemical plant, speedome...read more

Threshold is a predetermined limit or level that triggers a specific action or response.

• Threshold is a boundary or limit that separates one state from another.

• It is often used in decision-making processes to determine when a certain action should be taken.

• For example, in product management, a threshold can be set to trigger a notification when the number of user complaints exceeds a certain number.

• Thresholds can also be used in performance monitoring, where a certain level of...read more