Microelectronics (EE Review - ESAS)
Microelectronics Mastery Quiz
Test your knowledge of microelectronics and embedded systems with our comprehensive 25-question quiz designed for electronics enthusiasts and professionals alike!
Engage with topics such as:
- Hamming Codes
- Operational Amplifiers
- Integrated Circuits
- RAM and Memory Types
A 7-bit Hamming code is received as 1111101. What is the corrected code? Assume even parity.
1111101
1111110
1111111
0111111
Shift registers:
Are either static or dynamic memory
Are volatile memories
Are sequential memories
Have all of the above characteristics
For the summing op amp shown in the figure below, determine the output voltage (Vo)
+6.5 V
-5.6 V
+5.6 V
-6.5 V
Which of the following is not a basic element within the microprocessor?
Arithmetic logic unit (ALU)
Control unit
Register array
Microcontroller
A function table is required in very large numbers. The memory most suitable for this purpose would be ______.
PROM
ROM
EPROM
EAROM
A kilobyte is
About 1,000,000 bytes
About 1,000 bytes
Equivalent to a novel
Equivalent to about one typewritten line.
What are the characteristics of an inverting operational amplifier (op-amp) circuit?
Input impedance is low while the output impedance is high.
It has input and output signals 180 degrees out of phase.
Input and output signals are 90 degrees out of phase.
It has input and output signals in phase.
Which of the following is the preferred method of cleaning solder from plated through circuit board holes?
Use a vacuum device.
Use a dental pick
Use a soldering iron tip that has a temperature above 900 degrees F.
Use an air jet device.
What is the main advantage of using MOSFET rather than bipolar transistor circuitry in IC?
Fewer power supply connections are required with MOS ICs.
Higher operating speed than bipolar circuits.
System designers are more familiar with MOS circuitry.
Much greater complexity (more gates and flip-flops in less chip area) than bipolar circuits – therefore better economy.
Which of the following IC types must be physically removed from the circuit to have its memory contents changed?
EEPROM
EPROM
ROM
RAM
Which of the following is not an advantage of CMOS?
Low current requirements
Ability to handle high power levels
Relative immunity to noise pulses
Ability to work at high speed
In which of the following devices would you be least likely to find an integrated circuit as the main component?
A battery-powered calculator
A low-power audio amplifier
A radio broadcast transmitter’s final amplifier
A notebook computer
Gain of a closed-loop op-amp circuit is determined by:
The op-amp`s external feedback network.
The maximum operating frequency divided by the square root of the load impedance.
The op-amp`s internal feedback network.
Supply voltage and slew rate.
Which type of digital IC is least susceptible to noise?
Emitter-coupled logic
Transistor-transistor logic
Base-coupled logic
N-channel-coupled logic
Which of the following is not a jump instruction?
JMP (unconditional jump)
JO (jump if overflow)
JB (jump back)
In a RAM:
It`s hard to get data out or put it in
It`s easy to get data out, but hard to put it in
It`s easy to get data out and put it in
It`s easy to get data out, but easy to put it in
If each successive code differs from its preceding code by a single bit only, then this code is called _____.
Gray code
Binary code
BCD code
Weighted code
Which type of IC is used to determine whether voltage levels are the same or not?
A multiplexer/demultiplexer
An op amp
A timer
A comparator
Which type of component is generally not practical for fabrication in an IC?
Diodes
Resistors
Inductors
Capacitors
Because of the small size of ICs compared with equivalent circuits made from discrete components:
Fewer calculations need be done in a given time
Higher switching speeds are attainable
Higher output power is possible
More heat is generated
Most linear ICs are
Unimportant in the semiconductor business because their use is limited to only a few highly specialized systems
Very straight in physical appearance – hence the name, “linear”
Essentially amplifiers of various kinds
Switching type circuits as opposed to digital types
Which of the following is not an advantage of ICs over discrete components?
Ease of maintenance
Lower current consumption
Greater power capability
Higher component density
In which way a host on the internet finds another host?
IP address
E-mail
HTML
URL
An op amp usually employs negative feedback to:
Control the gain
No! Op amps do not employ negative feedback
Allow oscillation over a wide band of frequencies
Maximize the gain
During a read operation the CPU fetches ________.
Data itself
A program instruction
Another address
All of the choices
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