gen of comp

generation of a computer
1g(1940-56)-vaccum tubes
2g(1956-63)-transistors
3g(1963-71)-ic
4g(1971-present)-microprocessor
5g(present&beyond)-artiicial intelligence

memories

8b=1B
1024B=1kb
1024kb=1mb
1024mb=1gb
1024gb=1tb
1024tb=1pb
1024pb=1eb
1024eb=1zb
1024zb=1yb
1yb=1152921504606847000mb

memory types

bit(b)
byte(B)
kilobyte(kb)
mega byte(mb)
giga byte(gb)
tera byte(tb)
peta byte(pb)
eta byte(eb)
zetta byte(zb)
yotta byte(yb)

super computer

The "K Computer," built by Fujitsu and the Riken national laboratory, runs at 8.162 petaflops, and now declared as the worlds super computer...

function keys

f1-hlp
f2-rename
f3-srch
f4-find
f5-refresh
f6-adres bar
f7- spel chk
f8-safe mode
f9-measure
f10-menu activat
f11-fulscren
f12-save as

usb

USB is abbreived as universal serial bus. in a usb port by adding connectors v can use 127 usb ports...

intel processors

1 The 4-bit processors
1.1 Intel 4004: first single-chip microprocessor
1.2 4040
2 The 8-bit processors
2.1 8008
2.2 8080
2.3 8085
3 Microcontrollers
3.1 Intel 8048
3.2 MCS-48 Family
3.3 Intel 8051
3.4 MCS-51 Family
3.5 MCS-96 Family
4 The bit-slice processor
4.1 3000 Family
5 The 16-bit processors: origin of x86
5.1 8086
5.2 8088
5.3 MCS-86 Family
5.4 80186
5.5 80188
5.6 80286
6 32-bit processors: the non-x86 microprocessors
6.1 iAPX 432
6.2 i960 aka 80960
6.3 i860 aka 80860
6.4 XScale
7 32-bit processors: the 80386 range
7.1 80386DX
7.2 80386SX
7.3 80376
7.4 80386SL
7.5 80386EX
8 32-bit processors: the 80486 range
8.1 80486DX
8.2 80486SX
8.3 80486DX2
8.4 80486SL
8.5 80486DX4
9 32-bit processors: P5 microarchitecture
9.1 Original Pentium
9.2 Pentium with MMX Technology
10 32-bit processors: P6/Pentium M microarchitecture
10.1 Pentium Pro
10.2 Pentium II
10.3 Celeron (Pentium II-based)
10.4 Pentium III
10.5 Pentium II and III Xeon
10.6 Celeron (Pentium III Coppermine-based)
10.7 Celeron (Pentium III Tualatin-based)
10.8 Pentium M
10.9 Celeron M
10.10 Intel Core
10.11 Dual-Core Xeon LV
11 32-bit processors: NetBurst microarchitecture
11.1 Pentium 4
11.2 Xeon
11.3 Mobile Pentium 4-M
11.4 Pentium 4 EE
11.5 Pentium 4E
11.6 Pentium 4F
12 64-bit processors: IA-64
12.1 Itanium
12.2 Itanium 2
13 64-bit processors: Intel 64 – NetBurst microarchitecture
13.1 Pentium 4F
13.2 Pentium D
13.3 Pentium Extreme Edition
13.4 Xeon
14 64-bit processors: Intel 64 – Core microarchitecture
14.1 Xeon
14.2 Intel Core 2
14.3 Pentium Dual Core
14.4 Celeron
14.5 Celeron M
15 32-bit processors: Intel 32 – Intel Atom
16 64-bit processors: Intel 64 – Nehalem microarchitecture
16.1 Intel Pentium
16.2 Core i3
16.3 Core i5
16.4 Core i7
16.5 Xeon

android

Android is a mobile operating system. it is designed to perform multi task operations. 3g in android is better than 3g in symbian. net speed is good in android. android phones acts as mini computer now-a-days

abbreviation

FAT-file allocate table
NTFS-new technology format system
DLL-dynamic link library
IDE-integrated device electronics
CMOS-complementary metal oxide semiconductor
WIFI-wireless fidility
BIOS-basic input output system

c drive

Keep atleast 300 mb of ur c drive free & let computer 2 use. if u r using windows 7 or vista leave 600mb free, else ur system wil becum slow.

windows os

windows1.0,windows2.0,windows2.1x,windows3.0,windows3.1x,windows95,windows98,windows me,windows nt,windows xp,windows vista,windows7,windows2008,....

cobol

COBOL is COmmon Business Oriented Language. It is designed or business purpose. now it is mostly used language...

notepad

open notepad and press function key f5. now wait and see what is happening...

shutdown quickly

In windows os in order to shutdown quickly hold shift while pressing shutdown