Материал: informatika_uchebnik_Makarova
131
4.8.
.
: –
,
–
,
–
,
–
;
= 10
3
=10
6
= 10
9
.
. 4.3.
4.5.
-
,
,
.
,
,
,
,
,
,
.
,
.
101
,
84
,
Windows
104
.
"
" (Track Ball)
.;
Data Hand System
,
5-
:
.
:
,
,
,
.
,
.
IBM PC,
101
,
. 4.11.
132
. 4.11.
IBM PC
:
,
;
;
,
;
:
,
,
,
.;
,
.
.
.
QWERTY,
.
–
(
).
,
.
(
)
:
,
<Ctrl>
<Shift>.
,
.
.
:
.
(
)
,
–
(
),
,
.
,
–
.
,
,
.
<Caps Lock> (Capitals Lock –
) <Shift> (Shift –
,
).
<Caps Lock>
.
Caps Lock
.
<Shift>
,
.
<Space>
.
.
:
;
;
.
:
;
,
.
<Num Lock> (Number Lock –
)
<Shift>.
<Num Lock>
, a <Shift>
,
.
,
Num Lock
,
:
+
/
-
.
*
0-9
(
),
,
.
133
:
;
;
;
;
(
–
)
End
(End –
)
PgUp
(
25
),
.
(Page Up –
)
PgDn
,
.
(Page Down –
)
Ins
;
,
;
,
,
(Insert –
)
Del
;
,
,
,
(Delete –
)
),
:
Esc
,
. (Escape –
,
)
Ctrl
,
(Control –
)
Alt
,
(Alter –
)
Enter
,
(Enter –
)
Backspace
(Backspace
–
)
Tab
,
(Tabulation –
)
Shift
(Shift –
)
Print Scrn
,
(Print Screen –
)
Caps Lock
(Caps Lock –
)
Num Lock
(Number Lock –
)
Scroll Lock
;
(Scroll Lock –
)
Pause/Break
(
)
,
;
(Pause/Break –
)
134
):
Ctrl+Alt+Del
DOS
Ctrl+Break
Ctrl+C
Ctrl+Num Lock
Ctrl+S
<F1> - <F12>
.
;
(
).
,
<F1>
.
<F1>
.
<F1>
,
.
,
,
.
,
.
4-
(
,
,
+5
).
:
(
)
;
(
)
20
;
(scan-
)
ASCII
;
(
)
.
(
0
1)
scan-
7
.
,
.
scan-
ASCII,
(scan-
ASCII-
)
.
,
(
<Shift>, <Ctrl> <Alt>).
:
0,5 ,
,
.
.
ASCII-
(
. 4.11)
,
16-
ASCII-
,
(
)
<Alt>.
,
ASCII-
.
. 4.3),
,
.
,
1
<Alt>
25,
.
(
)
(
).
(
,
135
),
–
.
,
–
(
–
(
),
–
).
.
:
,
,
,
.
.
,
.
:
10
21
– 14
).
.
)
25
,
.
70 - 80
;
40 - 50
.
,
,
(
,
50 - 120
30 - 60
).
,
,
, . .
.
(
,
,
–
).
.
:
.
ASCII,
(
,
,
,
).
,
–
(pixel – picture element).
.
,
.
,
,
,
.
: 640x480, 800x600,
1024x768, 1600x1200,
.
,
,
, dot pitch)
.
,
,
,
.
0,41
0,18
.
,
(
,
14
265
,
1024
265/1024 = 0,22
,
).
IBM PC
,
,
.
.
,
.