'Read block' diaporamas de présentation

RFID Training HF 13.56MHz ISO-14443A

RFID Training HF 13.56MHz ISO-14443A. ?? HF 1MHz~400MHz. ???????? 13.56MHz ISO-14443A Mifare ? ISO-15693 ??????????????????? 1 0-100 ? ? ??????????????????? ??? ??????????????????????????? ???????? ??? ? ???? ? ????????? ? ???? ? ???? ? ???? ? ???? ????????????????????

1.19k views • 62 slides

CS 554: Advanced Database System Notes 02: Hardware

CS 554: Advanced Database System Notes 02: Hardware. Hector Garcia-Molina. Outline. Hardware: Disks Access Times (disk) Optimizations (disk access time) Other Topics: Storage costs Using secondary storage Disk failures. Hardware. DBMS. Data Storage. CPU. P. Typical Computer.

611 views • 61 slides

581 views • 40 slides

Virtual Memory April 3, 2001

Virtual Memory April 3, 2001. 15-213. Topics Motivations for VM Address translation Accelerating translation with TLBs. class20.ppt. Motivations for Virtual Memory. Use Physical DRAM as a Cache for the Disk Address space of a process can exceed physical memory size

474 views • 32 slides

Writing and Reading Files

Writing and Reading Files. std@kmitnb.ac.th. Methods for processing disk files. File Control Blocks (FCBs) Supported by DOS Can address drives and filenames Cannot address directories File Handles Accessing of the file Return codes to identity errors. Operations using File Handles.

468 views • 29 slides

Disks

420 views • 27 slides

NFC Forum Type 5 Tag Platform Operations with the TRF7970A

NFC Forum Type 5 Tag Platform Operations with the TRF7970A. NFC/RFID Training Module (2014) S2 MCU NFC/RFID Applications Team. Overview of NFC Forum Type 5 Tag Platform Operations.

471 views • 13 slides