File:Punched tape puncher.JPG

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File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

History of computing hardware

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon PowerShot A60
Exposure time	1/60 sec (0.016666666666667)
F-number	f/4.8
Date and time of data generation	14:56, 24 March 2005
Lens focal length	16.21875 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	14:56, 24 March 2005
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	14:56, 24 March 2005
Image compression mode	5
Shutter speed	5.90625
APEX aperture	4.53125
Exposure bias	0
Maximum land aperture	4.53125 APEX (f/4.81)
Metering mode	Pattern
Flash	Flash fired, auto mode
Colour space	sRGB
Focal plane X resolution	7,766.9902912621
Focal plane Y resolution	7,741.935483871
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard

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