I H~ di~u h~lllh. i
with a 1 Me)t h~ di~u Mnh lam vi~c vai me)t M I
th6ng may tint. I
N6 dua chuang trlnh lIng dl,lng d~ va truy~n thOng d6ng nha't vai ph~n clIng may vi tinh va vei chuang trlnh lIng dvng kha c.
Day nghla la nhling ca nhan ma dang vie't chuang trlnh lIng dl,lng kh6ng phai
hi~u nhung dia chi thie't bi , nhling bit
tr~ng thai, nhling tir l~nh , va nhung chi tie't C1,1th~ ph~n clIng nhu the'.
1O5! Operating system can support either H~ di~u Mnh c6 th~ h6 tn;Jho?c 121may I ROM-based or disk-based vi tint du<jcdlfa (bdi) ROM hay la du<jcI
microcomputer dlfa (bdi) dla.
~
Phh lOn M di~u banh la M di~u banh
dla du<jc g9i ( DOS) ma thl du<jc t~o
thanh bdi hai lo~i khac nhau cua nhling chuang trlnh.
1071 These are resident program and transient I I
Day la chuang trInh thu'ong tnl va nhling
I !(nonresident) programs chuang trInh t~m tnl ( kh6ng thuong tnl ). i1081The resident program is loaded intoi Chuang trInh thu~ng tni du<jcn~p vao be) 1081The resident program is loaded intoi Chuang trInh thu~ng tni du<jcn~p vao be)
memory when the operating system is nM khi ma Mdieu Mnh du<jckhdi oe)ng.
booted
1091 It uses a fixed amount of memory and is N6 sU' dvng me)t luQng co' oinh cua bQ
in memory any time t~e microcomputer nha va atrong bi) nha ba't ClI thai gian
is used nao may vi tinh duQc sU'dung.
110: The resident program provides functions Chuang trlnh thuong tni cung ca'p nhlingwhich must respond quickly or are used ChlICnang ma phai oa p lIng nhanh hay lit which must respond quickly or are used ChlICnang ma phai oa p lIng nhanh hay lit
fre uently I ouac sU'dl,ll1gthuong xuyen.
111
\
' The transient part of the operating Bi) ph~n t~m tru cua h~ oi~u Mnh cung system provides functions not used as ca'p nhung ChlIC nang khOng sU' d1,1ng
I often thuon xu en.
1121 Each transient function is a separate M6i ChlICnang t~m tru 121mQt chuangprogram which is loaded when it is trInh rieng bi~t ma duQc n~p khi ma no program which is loaded when it is trInh rieng bi~t ma duQc n~p khi ma no
needed duQc dn.
113IFor example, before a floppy disk can be Vi dl,lnhu' , truoc khi mQt dla m~m co th~used it must be formatted duQc sU'd1,1n no hiii duQc dint d~n . used it must be formatted duQc sU'd1,1n no hiii duQc dint d~n .
1141 Formatting is done by using operating Dinh d~ng duQc lam bdi vi~c sU' dl,lngi systems, language translator i systems, language translator
I
! program development tools
101 i operating system
1021 1
1An operating system works computer system
1031 It gives application programs easy anduniform communications with the uniform communications with the I microcomputer hardware and with other
I application programs
1041 This means individuals , writingapplication programs do not have to application programs do not have to understand device addresses, status bits, command words, and such hardware- , specific details
1O6! Most operating systems are called disk operating system (DOS) which is made up of two different kinds of programs
system disk format utility
115IBecause format is only used once in awhile, it is transient function while, it is transient function
116IThe resident part of the operating systemis the first program loaded into memory is the first program loaded into memory when the computer is booted
1171 ROMbased boot software is used to loadthe operating system the operating system
118 lOne of the first functions the operatingsystem performs is to initialize the system performs is to initialize the microcomputer hardware
1191 This makes sure each device works in aknown wa known wa
ti~n ich d~ng dla M di~u tanh.
Bdi vi d~ng duQc chi sii' d1;lngm(>td6i khi , nen no la chilc nang t<;1mtn1.
B(>ph?n thuong tnl cua h~ di~u tanh la chuang trinh d~u tien ma duQc n<;1pvao b(>nhd kill ma may tinh dU<;1Ckhdi d(>ng. Phh m~m khdi d(>ngROMbased duQc sii' d1;lngd€ n<;1pM di~utanh.
M(>t trong nhling chilc nang d~u tien M di~u tanh th1!c hi~n la khdi t<;10phfin cling may vi tinh.
Day baa dam m6i thie't bi lam vi~c trong