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Output Device- Executable File-.exe Database File-.dbf
1. Monitor 2. Printer
FTP File Transfer Protocol
3. Plotter 4. Speaker
HTTP Hyper text Transfer protocol
5. Projector
SMTP Simple Mail Transfer Protocol
Input/Output Device-
PPP Point to Point Protocol
1. Fax machine 2. Telephone
WAP Wireless Application Protocol
Storage Device-
TCP Transfer Control Protocol
1.Hard Disk
IP Internet Protocol
2.Flash Driver (USB,Pen Drivers, SD memory Card,
IPP Internet Printing Protocol
SSDs)
POP Post Office Protocol
3.Optical Drivers(CD,DVD,Blue Ray)
SLIP Serial Line Internet Protocol
4. Ram (Volatile memory-SRAM,DRAM,SDRAM)
ARP Address Resolution Protocol
5. Magnetic tapes
DHCP Dynamic Host Configuration Protocol
Memory unit:-
SNMP Simple Network Management Protocol
1. Bit= “0”& “1” 2.Nibble=4Bit
IMAP Internet Message Access Protocol
3. Byte=8Bit 4.1KB (kilo byte)=1024 bytes
RIP Routing Information Protocol
5. 1MB(megabyte)=1024KB
ZIP Zone Information Protocol
6. 1 GB(Giga byte)=1024 MB
Office Version :-95,97,2000,2003,2007,2010,2012
7. 1TB(Tera byte)=10 bytes
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Window Version:- 95, 98, NT, XP, Vista, 2000, 2003,
8. 1PB(Peta byte)=1024 TB
2007,2008
9. 1EB(Exa byte)
10.1ZB(Zeta byte)=1024FB Topology:-
11.1YB(Yota byte)=1024 ZB 1. BUS Topology 2. RING topology
Bit<Nibble<Byte<KB<MB<GB<TB<PB<EB<ZB<YB 3. STAR topology 4. Tree topology
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1 Million=1MB(10 byte) 1Billion=1GB(10 byte) 5. Mesh topology
1 Trillion=1TB(10 byte) Screen Zoom:-
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Memory Hierarchy M.S Word:- min.-10%, max.-500%
1.CPU Register M.S. Excel - min-10%, max-400%
2. CACHE Memory Size M.S Access- min-10%, max-400%
3. ROM M.S Power Point- min-33%, max-400%
5. FLASH Speed Full form of Computer-
6. Magnetic Disk /Optical Disk C-Commonly O-Operated
7. Magnetic Tape M-Machine P-Particularly
Types of Computer- U-Used for T-Technology
1. Micro Computer:-PC E-Education and R-Research
(A) Palmtop(B) Desktop(C) Laptop (D) Tablet Computer Programming languages :-
2. Mini Computer 3. Main Frame
1. Low level language- 1. Machine language
4. Super Computer 2. Assembly Language
File Extension:-
2. Middle level language 1. C Language
M.S.Word M.S.Excel
3. High Level Language 1. C++ 2.COBOL
2003-.doc 2003-.xls
3. PASCAL 4. Fortran
2007-.docx 2007-.xlsx
5. Algol 6. BASIC
2010-.docx 2010-.xlsx
7. LOGO 8. LISP
M.S Power Point-.ppt M.S Access-.mdb
9. C#(C Sharp) 10. PROLOG
M.S Paint-.bmp Notepad-.txt
11. JAVA
Batch File-.bat Web Page-html
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