PPT-Memory Devices

Khaled A Al Utaibi alutaibiuohedusa Agenda Introduction Memory Pin Connections ROM Memory RAM Memory Memory Organization Types of Memory Access Data Alignment Introduction DRAM. Input Devices M M e e m m o o r r y y P P r r o o g g r r a a m m & & D D a a t t a a Output Devices D D S S P P P P r r o o c c e e s s s s o o r r i i n n t t e e r r f f a a c c e e i i n n t t e e I/O Hardware. Application I/O Interface. Kernel I/O Subsystem. Transforming I/O Requests to Hardware Operations. I/O Hardware. Incredible variety of I/O devices. Common concepts. Port . Bus. (. daisy chain . by . Molybdenum . Disulphide. . and . Graphene . in . Ultrathin Heterostructured Memory Devices. James C. Hone, Columbia University, DMR 1122594. Atomically thin two-dimensional materials have emerged as promising candidates for . Storage Technology. Electronic devices that store, retrieve, and save instructions and data.. Today’s microcomputers or PCs include several types of . storage devices. .. Capacity. and . speed. . Chapter 5 Storing data of . norton. book. Chapter 6 of . capron. and . johnson. book. Three major types of storage devices. . magnetic page 174 of Norton book . Optical. Page 183 . norton. Solid state page 189 . Prof. Sokol. Computer and Information Science. Brooklyn College. 2. What is a Computer?. A . COMPUTER. is an electronic device that can:. Receive information. Perform processes. Produce output. Store info for future use.. NARSINGHPUR. CS PROJECT . PRESENTATION. INPUT ,OUTPUT AND. MEMORY DEVICES. DATA TO BE PROCESSED BY A COMPUTER USUALLY ORGINATE AS WRITTEN DOCUMENTS . THE DATA HAS TO BE FIRST CONVERTED TO A FORM OFWHICH CAN BE READ BY AN INPUT UNIT OF THE COMPUTER. THIS FORM IS CALLED AS MACHINE-READABLE FORM.. Prof. Sokol. Computer and Information Science. Brooklyn College. 2. What is a Computer?. A . COMPUTER. is an electronic device that can:. Receive information. Perform processes. Produce output. Store info for future use.. University. . Advising. Services. Memory and Concentration. Memory. Knowledge. Concentration. Managing Memory. Mneumonic Devices. Effeciency. Memory. Sensory memory . Short-term memory . Long-term memory . Behavior: input, output, storage. Partner: human or machine. Data rate: bytes/sec, transfers/sec. I/O bus connections. I/O Device Summary. I/O System Characteristics. Dependability is important. Particularly for storage devices. . Circuit . board: . Motherboard . or system board. :. All devices must connect . ________________. External devices . ______________. Wireless . devices . connect _________________. 2. The CPU. Central processing unit (CPU): . Behavior: input, output, storage. Partner: human or machine. Data rate: bytes/sec, transfers/sec. I/O bus connections. I/O Device Summary. I/O System Characteristics. Dependability is important. Particularly for storage devices. Chapter 3 Operating Systems Concepts 1 A Computer Model An operating system has to deal with the fact that a computer is made up of a CPU, random access memory (RAM), input/output (I/O) devices, and long-term storage. The memory unit . supports . two fundamental operations: Read and . Write. . The . read operation read . a previously stored . data . and . the write operation stores . a . value . in memory. See .