User Manuals: IBM 1620 1 Transistorized Computer

User Manuals: IBM 1620 1 Transistorized Computer

Manuals and User Guides for IBM 1620 1 Transistorized Computer. We have 1 IBM 1620 1 Transistorized Computer manual available for free PDF download: Manual

IBM 1620 1 Manual

IBM 1620 1 Manual (99 pages)

Brand: IBM | Category: Computer Hardware | Size: 8 MB

Table of Contents

Table of Contents
3
IBM 1620 Data Processing System
5
1620 Data Processing Unit, Modell
7
Data Representation
7
Magnetic Core Storage
8
Character Representation
10
1620 Instructions
11
Stored Program Concept
11
Instruction Characteristics
11
Indirect Addressing
13
Instruction Types
16
Arithmetic Instructions
16
Automatic Division
21
Automatic Floating Point Operations
27
Compare Instructions
33
Branch Instructions
34
Internal Data Transmission Instructions
38
Additional Instructions
40
Input/Output Instructions
43
1311 Disk Storage Drive Instructions
47
Program Control Instructions
55
Console Typewriter
56
1620 Console
59
Control, Switches, Keys and Signal Lights
59
Program Switches and Indicators
61
1620 Console Operating Procedure
68
Program Testing
71
Instruction (I) Cycle
71
Execution (E) Cycle
72
Arithmetic Operations
72
Internal Data Transmission
77
Input/Output Data Flow
77
1620 Data Flow
78
Appendix A - Instruction Summary
80
Appendix B - Arithmetic Tables
82
Appendix D - Significance of P and Q Addresses
87
Appendix E - IBM Card
88
Appendix F - 1621 Paper Tape
90
Types of Tape Splices
91
Appendix G - Program Load Routine
93
Paper Tape Load Routine
93
Card Load Routine
94
Index
96

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