Key Points
txtFirst + Last Name:
False, the + symbol is an illegal character for control names.
The remaining all are acceptable control in visual basic.
Hence the correct answer is btnCalc, txtAge, lblDistance.
Key Points
txtFirst + Last Name:
False, the + symbol is an illegal character for control names.
The remaining all are acceptable control in visual basic.
Hence the correct answer is btnCalc, txtAge, lblDistance.
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login Login to DiscussWhich letter will replace the question mark (?) in the following series?
D, J, ?, S, V, X.Pattern followed is,
D + 6 = J
J + 5 = O
O + 4 = S
S + 3 = V
V + 2 = X
Hence, “O” is the correct answer.
Identify the diagram that best represents the relationship among the given classes.
Girl, Boy, HumanGiven: Girl, Boy, Human

All human are boy and girl.
Hence, option 2 is the correct answer.Input Devices:
Output Devices:
Key Points
Important Points
The Central Processing Unit (CPU):
Thus, CPU is not a computer output device.
Mistake Points
Additional Information
The basic difference between Input and Output devices:
|
INPUT DEVICE |
OUTPUT DEVICE |
|
It accepts data from the user. |
It reflects processed data to the user. |
|
It is directly commanded by the user. |
It is commanded by the processor. |
|
It converts user-friendly instruction into a machine friendly. |
It converts the machine’s instructions to user intelligible. |
|
It takes the data from the user and sends it to the processor for execution. |
It takes the processed data from the processor and sends it back to the user. |
|
It helps the computer is accepting the data. |
It helps the computer is displaying the data. |
|
The design of input devices is more complex. |
The design of output devices is less complex. |
|
Ex: Keyboard, Image Scanner, Microphone, Pointing device, Graphics tablet, Joystick, Mouse, CPU |
Ex: Monitor, Printers, Plotters, Projector, Speakers. |
Milk is measured in litres.
Similarly, Rope is measured in Meters
Hence, Rope is to “Meters”The correct answer is Governor.
Key Points