Define or explain each of the following:

a) a seguential access file

b) interactive use of a computer
c) multiprogramming

d) a terminal

e) dan index to a file

 f) file organization

g) dan inverted file

In a program called XK201, show all the statements reguired to read
a record from tape number 10 whose record layout is as follows:

Position nje Variable Name Form
1-9 NSS integer
10-37 N1,N2,N3,N4,N5,N6,N7 alphabetic
38-39 NEXMPT integer
40-45 SALARY XXXAXX
46-50 : DEDS : XXXAXX
51-57 mai ue;  XXDO, IX

Suppose a bank has a file containing data on the status of each
customer's checking account, organized by social security number.
Each day they need to print out this record for a number of cus-
tomers, given the reguired social security number.

a) If this file is on magnetic tape, devise a procedure that will
result in printing the desired checking account records.

b) Prepare an overall flow chart for the computer program that
Causes these records to be printed.

c) Suppose this customer checking account file is a direct access
file rathern than a tape file. Modify the procedure in part a)
to use the direct access file to print these records.

d) Prepare an overall flow chart for the computer program that
Causes these records to be printed from the direct access
file. ta