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30 votes
6 answers
3
GATE CSE 1990 | Question: 3-x
Indicate which of the following well-formed formulae are valid: $\left(P\Rightarrow Q\right) {\wedge} \left(Q \Rightarrow R\right) \Rightarrow \left(P \Rightarrow R\right)$ ...
Indicate which of the following well-formed formulae are valid:$\left(P\Rightarrow Q\right) {\wedge} \left(Q \Rightarrow R\right) \Rightarrow \left(P \Rightarrow R\right)...
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46 votes
2 answers
6
GATE CSE 1990 | Question: 3-vii
It is undecidable whether: An arbitrary Turing machine halts after $100$ steps. A Turing machine prints a specific letter. A Turing machine computes the products of two numbers None of the above.
It is undecidable whether:An arbitrary Turing machine halts after $100$ steps.A Turing machine prints a specific letter.A Turing machine computes the products of two numb...
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9 votes
3 answers
7
GATE CSE 1990 | Question: 4-iii
State whether the following statements are TRUE or FALSE with reason: The flags are affected when conditional CALL or JUMP instructions are executed.
State whether the following statements are TRUE or FALSE with reason:The flags are affected when conditional CALL or JUMP instructions are executed.
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23 votes
6 answers
8
GATE CSE 1990 | Question: 5-b
Show with the help of a block diagram how the Boolean function : $f=AB+BC+CA$ can be realised using only a $4:1$ multiplexer.
Show with the help of a block diagram how the Boolean function :$f=AB+BC+CA$can be realised using only a $4:1$ multiplexer.
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12 votes
2 answers
17
GATE CSE 1990 | Question: 3-ix
The number of ways in which $5\; A's, 5\; B's$ and $5\; C's$ can be arranged in a row is: $15!/(5!)^{3}$ $15!$ $\left(\frac{15}{5}\right)$ $15!(5!3!)$.
The number of ways in which $5\; A's, 5\; B's$ and $5\; C's$ can be arranged in a row is:$15!/(5!)^{3}$$15!$$\left(\frac{15}{5}\right)$$15!(5!3!)$.
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14 votes
3 answers
18
GATE CSE 1990 | Question: 2-viii
Match the pairs in the following questions: ...
Match the pairs in the following questions:$$\begin{array}{|ll|ll|} \hline (a) & \text{A heap construction} & (p) & \ \Omega(n\log_{10}n) \\\hline (b) & \text{Construct...
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29 votes
3 answers
19
GATE CSE 1990 | Question: 2-ix
Match the pairs in the following questions: ...
Match the pairs in the following questions:$$\begin{array}{ll|ll} (a) & \text{Lexical analysis} & (p) & \text{DAG's} \\\hline (b) & \text{Code optimization} & (q) & \tex...
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