Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

 a straight line.
  a circle.
 an ellipse.
 sinisoidal.

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Measurement and Instrumentation
A 8085 microprocessor consist of

 Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and Memory.
 Arithmetic and Logic Units (ALU), Control Unit (CU) and Registers.
 Arithmetic and Logic Units (ALU), Control Unit (CU), Registers and I/O devices.
 Arithmetic and Logic Units (ALU), Control Unit (CU) and I/O devices.

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