T4Tutorials .PK

Chapter 11 INTRODUCTION TO DIGITAL TROUBLESHOOTING MCQs

1. . Finding a fault in a digital circuit is a/an

(A) Art


(B) Science


(C) None of these


(D) Skill




2. . Basic principles of finding faults in analog and digital systems

(A) No link with each other


(B) Hundred percent same


(C) Mismatched


(D) Similar




3. . Hardware failure is a/an _____ fault

(A) Logic


(B) External


(C) Internal


(D) Parametric




4. . Undesired change in performance of a system due to increase in ambient air temperature is a/an _____ fault

(A) Dynamic


(B) Internal


(C) External


(D) Logic




5. . A fault which results in failure to meet AC or DC specifications in a circuit but does not cause functional failure is known as

(A) Dynamic


(B) Static


(C) Parametric


(D) Logic




6. . ________ faults are prominent in combinational logic circuits

(A) Parametric


(B) Logic


(C) Dynamic


(D) Static




7. . ________ faults take place only at a specific speed

(A) Parametric


(B) Dynamic


(C) Static


(D) Logic




8. . The ________ is used for detecting the presence and direction of current flow on a PCB track

(A) Current Tracer


(B) Logic Pulser


(C) Logic Probe


(D) Logic Clips




9. . The ________ is used to investigate the logic state of a single line

(A) Logic Probe


(B) Logic Pulser


(C) Logic Clips


(D) Current Tracer




10. . The ________ is an extension of Logic Probe

(A) Logic Analyzer


(B) Logic Clips


(C) Signature Analyzer


(D) Logic Pulser




11. . In Signature Analyzer a ______ word is produced from each output

(A) Hexadecimal


(B) Octal


(C) Decimal


(D) Binary




12. . A Logic Analyzer may have __________ display

(A) Timing diagram


(B) Word


(C) Both a & b


(D) Neither a nor b




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