Basically no boot device could be 1 of three things listed below.
1. You have connected an incorrect external device and the system responds to boot from this however no operating system is available. Hence the error. What to do : You have disconnect, reset and select the correct bootable device.
2. You have a faulty hardware specifically your bootable harddisk, corrupted or malfunctioning. You have to reformat and correct the bios installed on the disk.
3. You have not selected correct bootable device. - Select the correct harddisk, if you have partition, be sure to select the one with the Operating system is installed to.
<span>c. as seen from the Earth without the effect of the atmosphere</span>
Answer:
#here is function in python
#function that return integer if input can be converted to int
#if not it will return a string "Cannot converted!!"
def get_integer(inp):
try:
return int(inp)
except:
return "Cannot convert!!"
print()
#call the function with different inputs
print(get_integer("5"))
print(get_integer("Boggle."))
print(get_integer(5.1))
print()
Explanation:
Define a function get_integer() with a parameter.In this function there is try and except.First try will execute and if input can be converted to integer then it will convert it into integer and return it.If it will not able to convert the input into integer then except will return a string "Cannot convert!!".In the function get_integer(), there is no use of any conditionals or type function.
Output:
5
Cannot convert!!
5
