Questions with Complete Solutions - Hamro CSIT

Generate the LR(0) item sets for the following grammar.
A → BB
B → bB | a

Not Answered No Subject Asked on 2081(new) Exam

Discuss about Directed Acyclic Graph with an example. Represent the expression A = (B + C) – (D – E) using 3AC, Quadruple and Triple.

Not Answered No Subject Asked on 2081(new) Exam

What are the roles of macros and preprocessor? Discuss about one pass and multi pass compiler.

Not Answered No Subject Asked on 2081(new) Exam

Differentiate between synthesized and inherited attributes with example.

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What is a symbol table? Discuss the general structure of an LR parser.

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Create the LR(1) parsing table for following grammar.
S → AA
A → 0A
A → ε

Not Answered No Subject Asked on 2081(new) Exam

A beam of hydrogen atoms is used in a Stern-Gerlach type experiment. The atoms emerge from the oven with a velocity v = 10⁴m/sec. They enter a region 20 cm long where there is a magnetic field gradient $$ \frac{dB}{dz} = 3 \times 10^4 \text{ T/m} $$. The field gradient is perpendicular to the incident velocity of the atoms. The mass of the hydrogen atom is $$ 1.67 \times 10^{-27} \text{ kg}$$. What is the separation of the two components of the beam as they emerge from the magnet?

Not Answered First Semester Asked on 2081 Exam

The output of a digital circuit (\( y \)) is given by this expression:

\[
y = \left( AB + \overline{CB} \cdot A \right) \cdot \overline{B + C}
\]

Where \( A \), \( B \), and \( C \) represent inputs. Draw a circuit of the above equation using OR, AND, and NOT gates and hence find its truth table.

Not Answered First Semester Asked on 2081 Exam

The energy gaps of some alkali halides are KCl = 7.62 eV, KBr = 6.3 eV, KI = 5.6 eV. Which of these are transparent to visible light? At what wavelength does each become opaque?

Not Answered First Semester Asked on 2081 Exam

A beam of hydrogen atoms is used in a Stern-Gerlach type experiment. The atoms emerge from the oven with a velocity \( v = 10^4 \, \text{m/s} \). They enter a region 20 cm long where there is a magnetic field gradient \( \frac{dB}{dz} = 3 \times 10^2 \, \text{T/m} \). The field gradient is perpendicular to the incident velocity of the atoms. The mass of the hydrogen atom is \( m = 1.67 \times 10^{-27} \, \text{kg} \). What is the separation of the two components of the beam as they emerge from the magnet?

Not Answered First Semester Asked on 2081 Exam

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