'Random access file' diaporamas de présentation

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File systems: outline

File systems: outline. Concepts File system implementation Disk space management Reliability Performance issues NTFS NFS. File Systems. Answers three major needs: Large & cheap storage space Non-volatility: storage that is not erased when the process using it terminates

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File systems: outline

File systems: outline. Concepts File system implementation Disk space management Reliability Performance issues NTFS NFS. File Systems. Answers three major needs: Large & cheap storage space Non-volatility: storage that is not erased when the process using it terminates

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File Processing

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File Processing

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File Processing

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File Processing

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Chapter 11 File Processing

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Introduction

Introduction. Files Long-term storage of large amounts of data Persistent data exists after termination of program Files stored on secondary storage devices Magnetic disks Optical disks Magnetic tapes Sequential and random access files. Data Hierarchy.

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CSC141- Introduction to Computer Programming

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Files and Streams (part 2)

Files and Streams (part 2). Based on slides from Deitel & Associates, Inc. Revised by T. A. Yang. Outline. Text files Binary files Related Java classes: java.io.FileReader (for reading streams of characters) java.io.FileWriter (for writing streams of characters)

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Starting Out with Java: Early Objects Fourth Edition by Tony Gaddis

Chapter 10.3: Advanced File I/O. Starting Out with Java: Early Objects Fourth Edition by Tony Gaddis. Advanced Topics: Binary Files. The way data is stored in memory is sometimes called the raw binary format . Data can be stored in a file in its raw binary format.

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Mark and Reset

Mark and Reset. The abstract classes InputStream and Reader provide: void mark (int byteLimit) * Marks the current position in this input stream. A subsequent call to the reset method repositions this stream at the last marked position so that subsequent reads re-read the same bytes.

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Computer Programming in C Chapter 7

Computer Programming in C Chapter 7. 2013 ? ???? ????? ????????. 7 ? . Input/Output and Built-in Functions. ?? Standard I/O Formatted I/O File Access Variable Length Argument List Low Level I/O Memory Management . 1. I/O ? ?? ?? . Standard I/O Standard Input: Input from Keyboard

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