Which of the following is not a disadvantage of trying to modify a sequential access file?
a. Modifying data can potentially destroy other data.
b. It may be necessary to rewrite every record in the file to make a slight change.
c. Things that are stored in the same number of “raw data” bytes internally may not take up the same amount of space in a file.
d. Overwriting a record with another record of the same size is very difficult.
d. Overwriting a record with another record of the same size is very difficult.
You might also like to view...
Malware that collects personal information or displays advertisements is called:
A) shareware B) spyware C) patch software D) freeware
Match the following Common Criteria designators on the left with the correct descriptors on the right
1. EAL1 a. Formally verified design and tested 2. EAL2 b. Semi-formally designed and testing 3. EAL3 c. Methodically tested and checked 4. EAL5 d. Structurally tested 5. EAL7 e. Functionally tested