1. Introduction to Computers Lesson 1 CES Industries, Inc.

2. Central Processing Unit CPU CES Industries, Inc.

3.  8088 – 4.77 MHz – 8-16 bit – 1981  8086 – 4.77 MHz – 16-16 bit - 1981  8087 – math coprocessor add-on  80286 – AT – 6-16 MHz – 1984  80287 – math coprocessor add-on  80386 – 16-40 MHz – 32 bit – 1986  80387 – math coprocessor add-on History of Processing CES Industries, Inc.

4.  80486 “SX” 25-100 MHz – 1988 – 32 bit (coprocessor  80487 “overdrive” – math coprocessor add-on for “SX”  80486 “DX” 33-66 MHz with built in FPU – 32 bit  80586 Pentium I “P5” chip – 32/64 bit, 50-200 MHz with built in FPU – 1992  Pentium I MMX – 32/64 bit, multimedia extensions, 166-233 MHz – 1996  Pentium II – 32/64 bit with built in 128K L1 cache, 233-550 MHZ – 1997  Pentium III – 32/64 bit, 400 MHz – 1.3 GigaHz, 128K, L1 cache on die, 1 st processor with dual pipeline ALU and accurate BPU  Pentium IV – 32/64 bit, 1.3-2.2 GigaHz, 1 st processor with 256 K on die cache, dual BPU, dual pipeline instruction, 42 million transistors on ¾ inch square chip. Core voltage is 1.5 volts. CES Industries, Inc. History of Processing

5.  IBM PC/XT (5 ¼” DD)(dual drives, 5 Megabyte hard drive)  IBM PC/AT – 1985 (5 ¼” DD)(dual drives, 20 Megabyte Hard drive, EGA graphics)  PS/2 – 1987 (3 ½” DD)(20 Megabyte hard drive, labeled clone “killer” by IBM. Introduced propriety MCA Bus) History of IBM Computers CES Industries, Inc.

6. Multimedia Combination of video and audio and interaction between user and program.

7.  Powering up of the computer system and successfully loading the operating system. Bootup CES Industries, Inc.

8. Puts information on disk so operating system knows where and how files are stored Formatting a disk

9. 1. Keyboard (input device) 2. Floppy Disk Drive (input or output) 3. Printer (output) 4. Monitor (output) 5. Mouse (input) I/O devices CES Industries, Inc.

10. 1. RAM 2. Disk Drives (hard or floppy) 3. CD-RW 4. DVD-R/RW/RAM 5. Solid-State Media 6. “Digital Film” Memory/Storage CES Industries, Inc.

11.  The process by which the computer loads a program into memory and follows the instructions. Example: How Computers Work Run a program CES Industries, Inc.