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Which of the following statements are correct for the A/D converters: a) The advantage of using a dual-slope A/D converter in a digital voltmeter is that its accuracy is high. b) The number of comparators in a 4-bit flash A/D converters is 15. c) The minimum number of comparators required to build an 8-bit flash A/D converter is 256. d) The number of comparators required in a 3-bit comparator type A/D converters is 8.
Consider the following Analog to Digital Converters: Counter type ADC: A Dual slope ADC: B SAR type ADC: C Flash ADC: D The correct order of conversion time (T) of the ADCs shown above is:
Which of the following statements apply to provision of flash gutter and flash land around the parts to be forged? 1. Small cavities are provided which are directly outside the die impression. 2. The volume of flash land and flash gutter should be about 20%-25% of the volume of forging. 3. Gutter is provided to ensure complete closing of the die.
ABCD সামান্তরিকের AC কর্ণ। অতএব, i. ∆ ADC ≠ ∆ ABCii. ∆ ADC ≅ ∆ ABC iii. ∆ADC > ∆ ABC নিচের কোনটি সঠিক?
What is the number of comparators required for a 3-bit flash Analog to Digital Converter?
∠ABC>∠ADC হলে, ∠ABC-∠ADC=?
Which of the following types of ADC is also known as continuous conversion type ADC?
Which the following are true about the fundamental duties for Indian citizens?
1. They require us to safe guard public property
2. They require us to protect and improve the natural environment
3. They are contained in Article 51A of the Constitution of India
4. They are added by 42nd Amendment of the Constitution of India
5. They require us to develop the scientific temper and spirit of inquiry
6. There were originally 11 fundamental duties
7. They can be enforced through writs as well as promoted through constitutional methods.
User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads
Which of the following statement(s) is/are true regarding butt welding? 1. Flash butt welding is a combination of resistance, arc and pressure welding 2. Upset butt welding is used for welding rods 3. Percussion Welding is a self timing spot welding method 4. Aluminium alloys are flash welded