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Aptitude Test
for Field Service Applicants
Carl Zeiss Industrielle Me?technik GmbH
Page 1
The decimal number 11 must be converted to a binary number. Which of the following answers is correct? (0144 Tech. Part 3)
1000
1001
1011
1101
A D/A converter generates an output voltage of 1mV if the bit pattern 0000 0001 is applied at its data inputs. Which output voltage occurs with a bit pattern of 0010 0001? (0163 Tech. Part 3)
129 mV
0.101 V
65 mV
0.033V
4. Which unit is labeled ROM in the flow chart
Micropro-
on the right? (0168 Tech. Part 3)
cessor
? read-write memory
Data bus
?
random memory
?
arithmetic unit
ROM
RAM
I/O
module
read-only memory
Page 2
Which memory can not be cleared (erased) electrically? (0181 Tech. Part 3)
RAM
VRAM
EEPROM
EPROM
Which of the following memory chips requires a refresh cycle? (0187 Tech. Part 3)
SRAM
DRAM
EPROM
Flash memory
Which signals occur at outputs Z1 to Z4? (0085 Tech. Part 3)
Page 3
Which of the following statements about the capacitor on the right is true?
(0310 Tech. Part 1)
It has a capacitance of 0.1nF
Its max. operating voltage is 100 V AC
It has a capacitance of 0.1MF
It has a capacitance of 0.1mF
For what type of capacitors must the polarity of the applied voltage be taken into consideration?
(0305 Tech. Part 1)
MP capacitors
Plastic film capacitors
Bipolar electrolytic capacitors
Tantalum capacitors (with solid electrolyte
In which case does a conducting-state current flow through the silicon diode? (0559 Tech. Part 2)
1
2
3
4
Page 4
General Computer and Data Technology
Which statement about the base circuit with operational amplifier on the right is true? (0760 Tech. Part 2)
The circuit has a low output impedance
The circuit has an amplification A 100
The circuit causes a phase angle rotation of 180 degrees between U1 and U2
The circuit has a low driving point impedance
In which line are the switching states of the lamps all correct?
Note: 1 = lamp switched on, 0 = lamp switched off (0675 Tech. Part 2)
Switch setting
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