This Portion of Electrical and Electronic Instrumentation contains Data Acquisition System MCQs (Multiple Choice Questions and Answers) / Objective Type Questions and Answers.
This Section covers below lists of topics.
- Basic Components of Data Acquisition Systems
- Components of a Typical PC-based Data Acquisition System
- Analog Input Subsystem
- Analog Output Subsystem
- Digital Input and Output Subsystem
- IEEE 488 Interface
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. The function of data acquisition system is
- acquiring physical phenomena from the real world
- sending signal to real world
- processing and analysing of signal
- all of the above
D. all of the above
2. Identify the element which is not part of a data acquisition system:
- Digital to analog converter
- Filter
- Display
- Timer
C. Display
3. Which A/D converter has highest conversion time?
- Flash type
- Dual slope integrating
- Successive approximation
- Ramp/Counting
B. Dual slope integrating
4. How many devices can be connected in a single IEEE 488 bus?
- 15
- 16
- 32
- Infinite
A. 15
5. A signal has minimum and maximum values of –5 V and +5 V respectively. To record a 0.01 V change of the signal value, what bit length of A/D converter is required?
- 4 bit
- 8 bit
- 10 bit
- None of these
C. 10 bit
6. The function of notch filter is
- pass high frequency signal
- pass a particular band of signal
- pass low frequency signal
- none of these
D. none of these
7. If a signal has a bandwidth of 20 Hz to 20 kHz, what will be the minimum sampling frequency to acquire the signal so that the signal can be reproduced properly?
- 20 Hz
- > 20 Hz but < 20 kHz
- < 20 kHz
- > 20 kHz
D. > 20 kHz
8. The correct TTL logic levels are
- 0–0.8 V and 2.0–5.0 V
- 0–0.4 V and 2.4–5.0 V
- 0 V and 5 V
- 0–0.1 V and 4.9–5.0 V
A. 0–0.8 V and 2.0–5.0 V
9. An IEEE 488 bus contains
- 8 data lines and 1a Address lines
- 5 control lines, 3 handshake lines and 8 data lines
- 3 control lines, 5 handshake lines and 8 data lines
- 5 control lines, 3 hand shake lines, 8 data lines and 4 address lines
B. 5 control lines, 3 handshake lines and 8 data lines
10. Which may not be the feature of a data acquisition application software?
- Manage the data stored in computer memory
- Plot acquired data
- Report relevant information such as the number of samples acquired
- Acquire data from real world
D. Acquire data from real world
