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| Osnovni podaci > Događaji, projekti i ostvarenja > Izložba starih računala - 2004 > Izbor slika sa izložbe | |
Izbor slika sa izložbe1. ZUSE - Z23 | |
|
IMPLEMENTATION |
Transistors |
|
FREQUENCY |
150.000 Hertz - electronic |
|
NUMERIC UNIT |
Floating point unit - Fix point unit, 40 Bit word length |
|
AVERAGE CALCULATION SPEED |
20 operations floating point per second, 30 operations fix point per second |
|
INPUT |
Keyboard, punch tape up to 1000 characters per second |
|
OUTPUT |
Punch tape up to 300 characters per second, teletypewriter with 7.5-10 characters per second |
|
WORD LENGTH |
40 Bit |
|
NUMBER OF ELEMENTS |
2700 transistors, 6800 diodes |
|
NUMBER OF STEP SWITCHES |
none |
|
MEMORY |
Magnetic cylinder 6000 rpm, approx. 8912 memory slots, 256 memory slots ferrite core |
|
POWER CONSUMPTION |
Approx. 3000 watts |
|
WEIGHT |
Approx. 1000 kg |
|
AREA OF APPLICATION |
Science and technology |
|
NUMBER OF MACHINES SOLD |
80 inside Germany, 18 outside |
|
COST IN DEM |
200.000 |
|
COMMENTS |
First machine delivered in 1961. Manufactured in Bad Hersfeld. |
Logička shema računala ZUSE Z23
Kodna tablica petkanalne bušene trake
2. Cromemco C3
|
NAME |
System I / II / III |
|
MANUFACTURER |
Cromemco |
|
TYPE |
Professional Computer |
|
ORIGIN |
U.S.A. |
|
YEAR |
1976 |
|
CPU |
Z80 |
|
RAM |
32 KB (up to 512 KB with a pagination mechanism) |
|
ROM |
Unknown |
|
TEXT MODES |
25 x 80 |
|
GRAPHIC MODES |
754 x 482 monochrome / 377 x 241 16 colors. A special video card was available with 3 video processors which allows the same resolutions but respectively with 8 and 4096 colors. |
|
I/O PORTS |
8 bit ADC or DAC, Centronics, Disk controller, S100 Bus, 21-card-slot |
|
BUILT IN MEDIA |
Dual 8" Persci electrically driven floppy drives |
|
OS |
CP/M |
3. Sinclair ZX 81
|
NAME |
ZX 81 |
|
MANUFACTURER |
Sinclair |
|
TYPE |
Home Computer |
|
ORIGIN |
United Kingdom |
|
YEAR |
1981 |
|
BUILT IN LANGUAGE |
Sinclair Basic |
|
KEYBOARD |
Touch-sensitive keyboard, 40 keys |
|
CPU |
Zilog Z80A |
|
SPEED |
3.5 MHz |
|
RAM |
1 kb (901 bytes available, up to 64 KB) |
|
ROM |
8 kb |
|
TEXT MODES |
32 x 24 (but 2 lines are reserved for system messages and commands) |
|
GRAPHIC MODES |
64 x 44 |
|
COLORS |
Black and white |
|
SOUND |
None |
|
SIZE / WEIGHT |
167 x 175 x 40 mm / 350gr |
|
I/O PORTS |
Z80 Bus, tape, video |
|
POWER SUPPLY |
9V DC , 600 mA (centre polarity = +ve) |
|
PRICE |
Kit :Ł50 (UK, june 1981) / Ready-built : Ł70 (UK, june 1981) |
4. Sinclair ZX SPECTRUM
|
NAME |
ZX SPECTRUM |
|
MANUFACTURER |
Sinclair |
|
TYPE |
Home Computer |
|
ORIGIN |
United Kingdom |
|
YEAR |
April 1982 |
|
END OF PRODUCTION |
1984 |
|
BUILT IN LANGUAGE |
Sinclair Basic |
|
KEYBOARD |
QWERTY rubber keyboard (40 keys) with up to 6 functions by keys ! |
|
CPU |
Zilog Z80 A |
|
SPEED |
3.5 MHz |
|
RAM |
16k or 48k (42k left for programming) |
|
ROM |
16k (Basic & OS) |
|
TEXT MODES |
32 x 24 |
|
GRAPHIC MODES |
256 x 192 |
|
COLORS |
8 with two tones each (normal and bright) |
|
SOUND |
1 voice / 10 octaves (Beeper) |
|
SIZE / WEIGHT |
23 x 14,4 x 3 cm / 550g |
|
I/O PORTS |
Expansion port, tape-recorder (1200 bauds), RF video out |
|
POWER SUPPLY |
External PSU, 9v DC, 1.4A (centre polarity = -ve) |
|
PERIPHERALS |
ZX printer, ZX microdrives |
|
PRICE |
16k: 282 |
5. Executive 816 Briefcase Computer
|
NAME |
Executive 816 Briefcase Computer |
|
MANUFACTURER |
AMust Computer Corp. |
|
TYPE |
Briefcase Computer |
|
ORIGIN |
USA |
|
YEAR |
1982 |
|
BUILT IN LANGUAGE |
None |
|
KEYBOARD |
QWERTY, mechanical keyboard, 100 keys. 4 arrow keys. 5 FUNCT. |
|
CPU |
Z80A |
|
SPEED |
4 MHz |
|
RAM |
64 KB |
|
ROM |
None |
|
TEXT MODES |
80 chars x 25 lines |
|
GRAPHIC MODES |
None |
|
COLORS |
None |
|
SOUND |
None |
|
OS |
CP/M |
|
I/O PORTS |
2 x RS232-C, Centronics Parallel printer port, Z-80 Expansion Bus, Shugart – compatible 5"/ 8" FDD |
|
POWER SUPPLY |
Internal PSU |
|
PERIPHERALS |
2 x 5'' floppy disc unit, / 800Kb |
6. Commodore C 64
|
NAME |
C 64 |
|
MANUFACTURER |
Commodore |
|
TYPE |
Home Computer |
|
ORIGIN |
U.S.A. |
|
YEAR |
1982 |
|
END OF PRODUCTION |
1993 |
|
BUILT IN LANGUAGE |
Basic |
|
KEYBOARD |
Full-stroke 66 keys with 4 function keys |
|
CPU |
6510 |
|
SPEED |
0.985 MHz (PAL) / 1.023 MHz (NTSC) |
|
COPROCESSOR |
VIC II (Video), SID (Sound) |
|
RAM |
64 KB |
|
ROM |
20 KB |
|
TEXT MODES |
40 columns x 25 lines |
|
GRAPHIC MODES |
several, most used : 320 x 200 |
|
COLORS |
16 + 16 border colours |
|
SOUND |
3 voices / 9 octaves, 4 waveforms (sound output through TV) |
|
SIZE / WEIGHT |
40.4 (W) x 21.6 (D) x 7.5 (H) cm / 1820 g |
|
I/O PORTS |
RGB (composite, chroma/luma and sound in/out), 2 x Joystick plugs, Cardridge slot, Tape interfarce (300 bps), Serial, User Port, TV RF output |
|
BUILT IN MEDIA |
Cassette unit. Provision for 170 KB 5.25'' floppy disc unit (1541) |
|
POWER SUPPLY |
External power supply unit |
|
PRICE |
$595 (USA, 1982) - Ł229 (U.K. 1984) |
7. Schneider CPC 6128
|
NAME |
CPC 6128 |
|
MANUFACTURER |
Amstrad / Schneider |
|
TYPE |
Home Computer |
|
ORIGIN |
United Kingdom |
|
YEAR |
Summer 1985 |
|
END OF PRODUCTION |
1990 |
|
KEYBOARD |
All grey QWERTY / AZERTY mechanical keyboard, Numeric keypad with arrow keys |
|
CPU |
Zilog Z80 |
|
SPEED |
4 MHz |
|
RAM |
128 kb (2 banks of 64ko) |
|
VRAM |
16 kb |
|
ROM |
48 KB |
|
TEXT MODES |
20 x 25 with 16 colors, 40 x 25 with 4 colors, 80 x 25 with 2 colors |
|
GRAPHIC MODES |
160 x 200 with 16 colors, 320 x 200 with 4 colors, 640 x 200 with 2 colors |
|
COLORS |
27 |
|
SOUND |
3 channels, 7 octaves +1 noise channel |
|
I/O PORTS |
Printer port, Expansion port, 1 Joystick plug (Atari standard), Floppy Disc Port, DIN plug for Amstrad monitor, Headphone / Sound stereo jack output, DIN plug for external tape recorder |
|
BUILT IN MEDIA |
3'' disk-drive built-in |
|
OS |
AMSDOS or CP/M |
|
POWER SUPPLY |
Disk drive Power in (5v DC), Computer power in (12v DC) |
|
PRICE |
Monochrome - 684 |