Pugh, Emerson W. IBM's 360 and early 370 systems / Emerson W. Pugh, Lyle R. Johnson, and John H. Palmer. — Cambridge, Massachusetts; London, England: MIT Press, 1991. — 1 PDF (xx, 819 p.): ill. — (History of computing). — Доступ по паролю из сети Интернет (чтение, печать). — Mode of access: World Wide Web. — <URL:https://ieeexplore.ieee.org/xpl/bkabstractplus.jsp?bkn=6267498>. — Текст: электронный
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2020
|
Quarter 2
|
0
|
0
|
0
|
1
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2021
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
2022
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2023
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
50
|
50
|
|
Quarter 3
|
0
|
0
|
0
|
3
|
3
|
|
Quarter 4
|
0
|
0
|
0
|
4
|
4
|
|
Year 2024
|
Quarter 1
|
0
|
0
|
0
|
1
|
1
|
|
Quarter 2
|
0
|
0
|
0
|
2
|
2
|
|
Total
|
0
|
0
|
0
|
61
|
61
|
