MIS001 A1 Computer Hardware Windows ’98 and Internet Explorer Chapter 1 Components of Your...
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MIS001 A 1
Computer HardwareWindows ’98 and Internet Explorer
Chapter 1Components of Your
Computer
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MIS001 A 2
Contact me Instructor Xiaobing Zhao Office BUS-2121 Telephone 278-6614 E-mail [email protected] Office hour Fri. 3:00-5:00 Web site
www.csus.edu/mis
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MIS001 A 3
Required Text
Chanaka Ekanayake
Computer Hardware Window’s 98 and Internet Explorer
ISBN 0-536-61475-X
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MIS001 A 4
Course Objective
The purpose of this course is to introduce the fundamentals of using microcomputer hardware and software, focusing on the most widely used hardware and operating system in the world: IBM PC’s and Windows 98.
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MIS001 A 5
Grading
This course is graded on a Credit (CR) or No Credit (NC) basis. No letter grades will be assigned. To receive Credit (CR) for this course, you must earn a minimum of 70 out of a possible 105 points. There will be 100 points possible on the final exam and 5 points possible for the course assignment.
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MIS001 A 6
Class Structure
LectureTah.1002
9:00
Lab ExerciseTah. 1009
10:15 10:30 11:45
LectureTah.1002
9:00
Lab ExerciseTah. 1009
10:15 10:30 11:45
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MIS001 A 7
What is a computer?
It is an electronic device that performs arithmetic and logic operations according to certain instructions
Input Output
Data Information
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MIS001 A 8
Types of Computers
Mainframes Minicomputers Microcomputers
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MIS001 A 9
Mainframes
Large size Large capacity in tera bytes (1
tera byte = 1000 GB) High speed in MIPS (Millions of
Instructions Per Second) Cost a lot
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MIS001 A 10
Minicomputers Medium size Medium capacity Medium speed Cheaper than mainframes
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MIS001 A 11
Microcomputers Small size Small capacity Slower speed Cheap PC’s and laptops are
Microcomputers
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MIS001 A 12
Components of a Computer Input Devices Output Devices Processing Unit Auxiliary Storage Devices
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MIS001 A 13
Input Devices Keyboard Mouse
Left click to select an item Right Click to show the shortcut menu Double click to open a file or run a
program Scanner Bar code readers
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MIS001 A 14
Output Devices Monitors
CRT (Cathode Ray Tube) LCD (Liquid Crystal Display)
Printers DeskJet LaserJet
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MIS001 A 15
Monitors Image consists of small dots or
pixels More pixels means clearer image Examples (800x600, 1280x1024)
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MIS001 A 16
Processing Unit Brain of computer Intel family of processors: 8080,
8086, 8088, 80286, 80386, 80486, Pentium, Pentium II, Pentium III, Pentium IV
MMX - additions to the CPU programming that allow it to process multimedia tasks better and faster (such as graphics and sound)
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MIS001 A 17
Processing Unit CPU clock controls how fast CPU
performs calculations It is measured in MHZ (Million
cycles per second)Examples:
66 MHZ233 MHZ |800 MHZ
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MIS001 A 18
Processing Unit
Arithmetic and Logic Unit (ALU)
Control Unit (CU)
Primary Storage
Unit
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MIS001 A 19
Memory Main memory
RAM Secondary memory
Hard disc Floppy disc ROM
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MIS001 A 20
RAM RAM (Random Access Memory)
Contents of RAM will be lost once power is turned off (volatile memory)
Allows reading and writing Computer’s primary storage of data
to be processed
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MIS001 A 21
ROM ROM (Read Only Memory)
Allows reading only It does not lose the information stored
when power is turned off PROM, EPROM, EEPROM
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MIS001 A 22
Auxiliary Storage Memory Hard drives Floppy drives CD’s Zip drives CD-R, CD-RW
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MIS001 A 23
Hard Drive Internal or External Size in MB or GB Lower the access time, the faster the
hard drive reads data (example 9ms)
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MIS001 A 24
Floppy Drive Two types
5.25” (size) 360 KB (capacity)
3.5” (size) 1.44 MB (capacity)
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MIS001 A 25
Floppy Drive Write Protection - Read only
5.25” - put a sticker on upper right notch 3.25” - push bottom right notch down
Advantages of floppy drives Inexpensive Portable
Disadvantages of floppy drives Slow access time Low capacity
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MIS001 A 26
Zip Drive The ZIP drive uses special high
capacity disks (Zip disks) that can store from 100Mb to 1 GB of information.
Operates about as fast as most standard hard drives.
Extremely convenient for transferring or storing substantially large amounts of data or backup operations
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MIS001 A 27
CD ROM Drive Speeds: 4X, 6X, 8X, 10X,
16X, 20X, 24X Now drives both read and write CD-ROM can store up to 650 MB
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MIS001 A 28
Modem Device that allows transfer of data
over phone lines (Internet access, faxing, etc.).
Speed of modem measured in bits per second or bps (14.4 Kbps, 28.8 K bps, 56 kbps).
56K Modems are now popular
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MIS001 A 29
Computer Software System Software
Windows 98; Windows 2000; Windows NT
UNIX, LINUX Application Software
MS Access; MS Word; MS PPT; MS Excel
WordPerfect 8
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MIS001 A 30
LAN # 7Sun system
LAN # 6Layout Division
LAN # 5CAD Division
LAN # 4High-frequency Group
LAN # 3Mixed-signal group
LAN # 2Linear Group
LAN # 1Power Managem ent Group
IBM Compatible
Communication Networks
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MIS001 A 31
Network Topologies Star
Bus
Ring
Net
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MIS001 A 32
Communication Networks Local Area Network (LAN)
Share equipments, such as printer, scanner Network Interface Card (NIC) Intranet
Wide Area Network (WAN) Internet
Extranet Two or more intranets Partnership
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MIS001 A 33
Internet and World Wide Web Internet
Several wide area network connected together:
HTTP: Hyper Text Transfer Protocol Protocol: works as a medium
URL address HTML documents
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MIS001 A 34
This Week
No assignment