<span>Pinhole cameras were one of the most sophisticated devices of the period, it made tasks much easier it basically worked exactly like the human eye and is something just like tracing.
Hope it helps! :)</span>
Answer:
The algorithm:
Input days
sum = 0
for i = 1 to 
input text
sum = sum + text
end for
average = sum/days
print average
The program in pascal:
var days, sum, text, i:integer;
var average : real;
Begin
write ('Days: '); readln(days);
sum:=0;
for i := 1 to
do 
write ('Text: '); readln(text);
sum:=sum+text;
end;
average := (sum/days);
writeln ('The average text is' , average);
End.
Explanation:
This declares all variables
var days, sum, text, i:integer;
var average : real;
This begins the program
Begin
This gets the number of days from the user
write ('Days: '); readln(days);
Initialize sum to 0
sum:=0;
This iterates through the days
for i := 1 to
do begin
This gets the text for each day
write ('Text: '); readln(text);
This sums up the texts
sum:=sum+text;
End loop
end;
Calculate average
average := (sum/days);
Print average
writeln ('The average text is' , average);
End program
End.
The answer is <span>output. </span>A file to which information is written is referred to as an output file. It is <span>a computer </span>file<span> that contains data that are the </span>output<span> of a device or program. </span>
Most computer devices are connected to the computer through port
Keyboard through usb port
Printer through usb port
Hand point device through usb port
Also computer equipped with LPT port for printers and COM port for additional devices like external modems e.t.c
Answer:
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