3.the SERIAL-ACCESS DEVICE and DIRECT-ACCESS DEVICE
B.)this learnings are significant to me because this is usable for us as an information technology students .specially if we are going to apply in offices,companies and others.even though in a store,file organization is very important to them to make there stocks organize.
C.)i would like to react/comment but not in our subject which is "file organization" but for our classmates who always there during our laboratory in "visual basic " na hindi naman nila schedule.for me as a professional,we know what is our rules,regulations and agreements in our subjects.dahil hindi na po kami nakaka gamit ng computer dahilan sa iba ang gumagait ng computer na hindi naman nila schedule.
D.)I also know that file organization had a similarity to Microsoft excel.because we are going to separate and construct a personal data of individual.