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Chapter 1 Fundamentals and Operations of Computers
TOPIC 1COMPUTER FUNCTIONS AND TYPES
TYPES OF COMPUTERS
Figure  1-2.Example  of  a  maintenance  console  panel  of  a  digital  computer
Figure  1-4.Example  of  a  minicomputer
Figure  1-5.Example  of  a  microcomputer
OPERATIONAL USES OF COMPUTERS
Tactical Support Systems
SNAP SYSTEMS
OPERATOR CONTROLS
Figure  1-9.Computer  switching  and  control  panel  used  on  a  CDS/NTDS  system
ONLINE AND OFFLINE MODES OF OPERATION
BATTLE SHORT MODE OF OPERATION
OPERATIONAL REQUIREMENTS OF COMPUTER SYSTEMS
Shipboard  EMI  Control
MINICOMPUTERS
Summary - 14091_29
Chapter 2 Computer Configurations and Hardware
Individual Functional Block Diagrams
Figure  2-3.Example  of  an  individual  functional  layout  of  a  single  cabinet  configuration
PHYSICAL LAYOUTS OF COMPUTERS
Figure 2-5.Physical layout of a single mainframe computer set
Backplane or Motherboard
Computer Frames/Cabinets
Modular-Designed Computer Frames/Cabinets
Figure 2-10 Example of a modular designed frame computer
Cage or Rack-Designed Computer Frames/Cabinets
Motherboard or Backplane Designed Computer Frames/Cabinets
Safety and Security Degisn Features of Computer Frames/Cabinets
Subassemblies used in computers
Keyed Printed Circuit Boards
Computer Connectors and Cables
Two Piece Plug and Receptable PCB Connectors
Figure  2-19.Rectangular  multipin  connectors
Internal Connectors
Internal Connector Receptacles
Internal Conductors (Wires)
External Connectors
Figure 2-27 Example of a jack keyed for a connector plug
Cable Architecture
Figure  2-31.Grounding  a  cable
COAXIAL  CABLES
COMPUTER COOLING SYSTEMS
PRINTED CIRCUIT BOARDS
Chapter 3 Computer Operator Control and Controlling Units
INDICATORS (LIGHTS)
Position Switches
Toggle  Switches
Figure  3-2.Example  of  a  typical  controlling  unit
Table 3-1.Part of a Table Detailing Controls and Indicators of a Typical Controlling Unit
POWER/TEMPERATURE PANELS
CONTROL AND MAINTENANCE PANELS
DISPLAY CONTROL UNITS
COMPUTER CONTROL PANELS
KEYBOARDS
TELETYPES
REMOTE CONSOLES AND REMOTE OPERATOR CONTROL UNITS
SUMMARYCOMPUTER OPERATOR CONTROLS AND CONTROLLING units
Figure  3-12.Example  of  a  remote  console.
CHAPTER 4 COMPUTER  COMPONENTS  AND  CIRCUITS
TOPIC 1COMPUTER NUMBER systems
Figure 4-1.Illustration equivalences between binary, octal, hexadecimal, and decimal numbers.
TOPIC 2COMPUTER LOGIC
IC PACKAGING
Figure 4-4.example schematics of bipolar ICs.
TOPIC 4DIGITAL ICS
DIGITAL IC CONVENTION
DIGITAL IC GROUPS
Flip-Flops
Decision-Making Functions
DATA ROUTING CIRCUITS
Figure 4-17.Example of command enable used in a circuit.
Figure  4-19.Example  of  a  demultiplexer  circuit.
Memory-Type Functions
REGISTERS
Figure  4-26.example  of  a  double-line  parallel  transfer,
LINEAR IC FAMILY TYPES
LINEAR IC GATES
Line Driver and Receiver Integrated Circuits
Systems Interface Circuits
TOPIC 6TIMING CIRCUITS
TIMING CIRCUIT FUNCTIONS
TOPIC 7COMPUTER DATA TYPES AND FORMATS
TOPIC 8POWER SUPPLIES
Computer Power Supply Controlling Devices
Computer Power Supply Protection
Microcomputers - 14091_102
External Computer Protection Devices
Summary-Computer Components and Circuits
Power Supplies
Chapter 5 Central Processing Units and Buses
TOPIC 1CONTROL SECTION
Timing
Master  Clock
Main Timing Signals
INSTRUCTION AND CONTROL
Figure  5-4Example  of  instruction  translation  and  execution  circuitry.
Figure 5-6.Example of an arithmetic detecting circuit used to indicate a subtraction overflow condition
Figure  5-8.Block diagram of an operation to determine an absolute address
Instruction Operation Levels
MICROCOMPUTER INTERRUPT TYPES
Class II Interrupts
INTERRUPTS  AND  INTERRUPT  CODES
Terminate  Current  Program  Execution
CONTROL MEMORY
CACHE MAPPING TECHNIQUES
READ-ONLY MEMORY (ROM)
Basic InPut/Output System (BIOS)
INSTRUCTIONS
ALU OPERATIONS
Figure  5-15.Floating-point  numbers:  A.  Fractional  number;  B.  Very  large  number
Figure 5-16.Floating-point numbers: A. Single precision; B. Double-precision
Operation  Types
BUS TYPES
Computer Interconnection System
BUS OPERATIONS - 14091_132
Processor  Bus
Summary-Central Processing Units and Buses
BUS OPERATIONS - 14091_135
Chapter 6 Computer Memories
MEMORY ORGANIZATION
Memory Modules
MEMORY OPERATIONS
Figure  6-5.Memory  address  with  an  8-bit  word.
Memory Cycle
Memory Fault Detection
MEMORY TYPES
Topic 2 Read/Write Memories
CORE STORAGE LAYOUT
Figure  6-11.64   64  array  memory  quadrant
Core Address Selection
FILM MEMORY
PACKETS
Sense/Digit Line
Figure 6-18.Example portion of a film array
Figure  6-20.Memory  location  words
Mated Film Storage Read/Write Cycle
WRITE  (RESTORE)  CYCLE.
READ/WRITE  CYCLE  CIRCUITS
Figure  6-24.RAM  chip
Static RAM (SRAM)
Figure  6-29.SRAM  MOS  cell.
Dynamic RAM (DRAM)
Figure  6-32.DRAM  storage  cell
Dynamic RAM Organization and Operation
ROM (NDRO) Modules
READ-ONLY MEMORY (ROM) OPERATIONS
Figure  6-36.Hardwired  magnetic  ROM.
READ-ONLY MEMORY TYPES
DYNAMIC RANDOM ACCESS MEMORY
READ-ONLY  MEMORY  (ROM)
Chapter 7 Input/Output (I/O) and Interfacing
TOPIC 2INPUT/OUTPUT (I/O) ORGANIZATION
INPUT/OUTPUT  PROCESSOR
Figure  7-3.Example  of  a  repertoire  of  IOC  commands
Figure  7-4.IOA,  top  view  with  I/O  connectors.
Figure  7-5.I/O  connectors,  rear  of  computer  cabinet.
Figure  7-6.IOA/IOC  interface
INPUT/OUTPUT DATA ARRANGEMENT
INPUT/OUTPUT   INSTRUCTIONS
Command Instructions
OPERATING MODES
INPUT/OUTPUT  FUNCTIONS
Control Circuits
CATEGORIES OF I/O OPERATIONS
INTERRUPT DRIVEN I/O
Direct Memory Access (DMA) - 14091_184
METHODS OF CONNECTIONS
I/O INTERFACING STANDARDS
I/O INTERFACING COMPONENTS
READ/WRITE  CONTROL
Line Drivers/Receivers
NTDS Input/Output (MIL-STD-1397)
Small Computer System Interface (ANSI X3.131)
RS-232 (EIA RS-232 and MIL-STD 188)
IEEE 802.3 (Ethernet DIX)
Figure  7-23.Daisy  chain  in  an  Ethernet.
Enhanced Small Device Interface (ESDI)
I/O SERIAL DATA OPERATIONS
DCE/DTE Serial I/O Cable Signals
RS-232 Pin Description
I/O  PARALLEL  DATA  OPERATIONS
Single Cable Sequence of Events
Computer to External Equipment (Two Cables)
EXTERNAL INTERRUPT (EI) SEQUENCE OF EVENTS
Intercomputer I/O Operations
INTERCOMPUTER DATA TRANSFER
DIRECT MEMORY ACCESS (DMA) - 14091_205
INTERCOMPUTER  I/O  OPERATIONS
Chapter 8 Computer Instructions and Man/Machine Interfaces
Topic 1-Computer Instructions
Application/Operational  Programs
Instructions Classified by Function
Instruction Language Interpretation
Figure  8-2,  A.Examples  of  instruction  interpretations  for  two  mainframe  computers
INSTRUCTION FORMATS
Mainframe Computer Instruction Formats
Figure 8-5.Illustrations of instruction word formats I, II, and III
INSTRUCTION OPERAND ADDRESSING
Indexed Operand Addressing
Relative Operand Addressing
Multiple-Word Instructions
Figure  8-17.Display  panels  and  data  entry  keyboards  on  a  display  control  unit  (DCU).
MAN/MACHINE OPERATING MODES
Microcomputers - 14091_222
Figure  8-19.Jumper  connections
EXECUTE INTERNAL DIAGNOSTICS - 14091_224
INITIATE OPERATIONAL PROGRAMS - 14091_225
PATCH OR REVISE SOFTWARE
EXECUTE INTERNAL DIAGNOSTICS - 14091_227
EXECUTE BOOTSTRAP
Mainframes
EXECUTE INTERNAL DIAGNOSTICS - 14091_230
INITIATE OPERATIONAL PROGRAMS - 14091_231
PATCH   OR   REVISE   SOFTWARE
Chapter 9 Magnetic Tape Storage
MAGNETIC TAPE CONSTRUCTION
Tape Storage and Handling
Tape  Control
Identifying and Correcting Problems with Magnetic Tapes
DATA STORAGE ON MAGNETIC TAPE
Writing/Reading Magnetic Tape
Data Organization and Timing
Data Files on Tape
Figure  9-13.A  magnetic  tape  unit
Topic 2 Magnetic Tape Devices
MAGNETIC TAPE UNIT OPERATIONS
MTU Offline Operations
Figure  9-17.An  MTU  system  control  panel.
Magnetic Tape Transport (MTT)
MTT Block Diagram
Figure  9-21.An  MTT  functional  block  diagram
CAPSTAN SERVO CONTROL
Topic 3 Maintenance Requirements
DIAGNOSTIC  PROGRAMS
MAGNETIC  TAPE  TRANSPORTS
Chapter 10 Magnetic Disk Storage
Types of Disks
ORGANIZING DATA ON DISKS
Directories
Root Directory
File  Allocation  Table
The 5.25 Inch Floppy Disk Construction
Write Protect/Write Enable Slide
Drive Electronics Circuit Board
DENSITY AND COERCIVITY
USING LOW-DENSITY DISKS IN HIGH DENSITY DRIVES
FLOPPY DISK CARE AND HANDLING
Figure  10-9.Floppy  disk  handling  precautions.
MAGNETIC DISK PACKS
Operators Panel
Table  10-8.Status/Maintenance  Panel  Fault  Codes
Figure  10-15.A  controller  block  diagram
Microprocessor
DISK CONTROL LOGIC
Spindle Assembly
Head/Arm Assemblies
Write Operation
Topic 4 Fixed Hard Disk Systems
Disk Platters
VOICE COIL HEAD ACTUATOR
Frequency Modulation (FM)
FIXED DISK INTERFACES
Enhanced Integrated Drive Electronics (EIDE)
Creating a DOS Partition
PREVENTING VIRUS INFECTIONS
FIXED DISK CARE AND HANDLING
FLOPPY  DISK  DRIVE  OPERATION
FIXED  DISK  CONTROLLERS
Chapter 11 CD-ROM Storage
DATA STORAGE STRUCTURE
Constant Linear Velocity
TOPIC 2CD-ROM DRIVES
Tracking and Focusing
INTERFACE SECTION - 14091_294
SUMMARYCD-ROM  STORAGE
Chapter 12 Printers
CHARACTER SETS
Alternate Character Sets
LINE CHARACTERISTICS
INTERFACE SECTION - 14091_301
PAPER-FEED ASSEMBLIES
TOPIC 3IMPACT PRINTERS
Chain and Band Printers
CHARACTER PRINTERS
TOPIC 4NONIMPACT PRINTERS
LASER PRINTERS
Figure  12-14.A  laser  imaging  system
Laser Printer Page Languages
SUMMARYPRINTERS
CONTROL  SECTION
Chapter 13 Data Conversion Devices and Switchboards
Figure  13-1.Analog  and  digital  quantity  comparisons
THE ANALOG-TO-DIGITAL CONVERTER
BINARY  ANGULAR  MEASUREMENT
Synchro Systems
SYNCHRO  SIGNALS
Synchro-to-Digital (S/D) Conversion
DIGITAL-TO-LINEAR/SCALAR CONVERSION
Figure  13-6.DAC  front  panel
DAC Functional Description
Figure  13-8.Mounting  base.
Base Controls and Indicators
Ready Digital (RD) Data
MULTIPLEXING  DATA CONVERTERS
KEYSET CENTRAL MULTIPLEXER
Duplexer and Input/Output (I/O) Logic
Demand Digital (DD) Inputs
Digital Input Channels and Digital Output Channels
DIC Computer Operation
Controls and Indicators (KCMX)
Computer Input Data Register Panel (A1)
Digital Control Logic Panel (A2)
Digital Input Channel (DIC) Logic Panel (A3)
Figure  13-14.Manual  switchboard
DIGITAL SWITCHBOARDS
Remotely  controlled  switchboards
Figure  13-18.Equipment  interconnection  through  the  CDS  DFCS
Power Distribution Panel - 14091_340
Figure  13-21.R3DLSO-1B/R5DLSO-1B  linear  movement  switch  assembly
Switch Control and Potential Transformer ACO Assembly
Figure 13-23.Magnetic tape interconnection through the DFCS
Relay Tester Assembly - 14091_344
Figure  13-27.CSCP  controls  and  indicators
Table  13-6.Matrix  Panel  Connection  Code
ANALOG  SWITCHBOARDS - 14091_347
Indicator Panel Assembly - 14091_348
Fuse Tinter Panel Assembly
Snap Switch Panel Assembly
Linear Movement Switches
ANALOG AND DIGITAL QUANTITIES
KCMX INPUT AND OUTPUT
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Appendix I Glossary - 14091_356
Appendix I Glossary - 14091_357
Appendix I Glossary - 14091_358
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