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ISRO 2007 Computer Science Questions with Solution

Recent questions tagged isro2007

8 votes
3 answers
62
ISRO2007-15
Consider the following pseudo-code x:=1; i:=1; while (x <= 1000) begin x:=2^x; i:=i+1; end; What is the value of i at the end of the pseudo-code? 4 5 6 7
Consider the following pseudo-codex:=1; i:=1; while (x <= 1000) begin x:=2^x; i:=i+1; end;What is the value of i at the end of the pseudo-code?4567
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8 votes
4 answers
63
ISRO2007-14
The principal of the locality of reference justifies the use of virtual memory interrupts main memory cache memory
The principal of the locality of reference justifies the use ofvirtual memoryinterruptsmain memorycache memory
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5 votes
2 answers
64
ISRO2007-13
By using an eight bit optical encoder the degree of resolution that can be obtained is (approximately) $1.8^\circ$ $3.4^\circ$ $2.8^\circ$ $1.4^\circ$
By using an eight bit optical encoder the degree of resolution that can be obtained is (approximately)$1.8^\circ$$3.4^\circ$$2.8^\circ$$1.4^\circ$
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5 votes
3 answers
68
ISRO2007-09
Eigen vectors of $\begin{bmatrix} 1 && \cos \theta \\ \cos \theta && 1 \end{bmatrix}$ are $\begin{bmatrix} a^n && 1 \\ 0 && a^n \end{bmatrix}$ $\begin{bmatrix} a^n && n \\ 0 && a^n \end{bmatrix}$ ... $\begin{bmatrix} a^n && na^{n-1} \\ -n && a^n \end{bmatrix}$
Eigen vectors of $\begin{bmatrix} 1 && \cos \theta \\ \cos \theta && 1 \end{bmatrix}$ are$\begin{bmatrix} a^n && 1 \\ 0 && a^n \end{bmatrix}$$\begin{bmatrix} a^n && n \\ ...
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6 votes
2 answers
69
ISRO2007-08
A read bit can be read and written by CPU and written by peripheral by peripheral and written by CPU by CPU and written by the peripheral
A read bit can be readand written by CPUand written by peripheralby peripheral and written by CPUby CPU and written by the peripheral
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8 votes
2 answers
70
ISRO2007-07
If a graph requires $k$ different colours for its proper colouring, then the chromatic number of the graph is $1$ $k$ $k-1$ $k/2$
If a graph requires $k$ different colours for its proper colouring, then the chromatic number of the graph is$1$$k$$k-1$$k/2$
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11 votes
2 answers
71
ISRO2007-06
A graph with $n$ vertices and $n-1$ edges that is not a tree, is Connected Disconnected Euler A circuit
A graph with $n$ vertices and $n-1$ edges that is not a tree, isConnectedDisconnectedEulerA circuit
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5 votes
3 answers
72
ISRO2007-05
The characteristic equation of an $SR$ flip-flop is given by : $Q_{n+1}=S+RQ_n$ $Q_{n+1}=R\bar{Q}_n + \bar{S}Q_n$ $Q_{n+1}=\bar{S}+RQ_n$ $Q_{n+1}=S+\bar{R}Q_n$
The characteristic equation of an $SR$ flip-flop is given by :$Q_{n+1}=S+RQ_n$$Q_{n+1}=R\bar{Q}_n + \bar{S}Q_n$$Q_{n+1}=\bar{S}+RQ_n$$Q_{n+1}=S+\bar{R}Q_n$
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9 votes
5 answers
73
ISRO2007-04
When two numbers are added in excess-$3$ code and the sum is less than $9$, then in order to get the correct answer it is necessary to subtract $0011$ from the sum add $0011$ to the sum subtract $0110$ from the sum add $0110$ to the sum
When two numbers are added in excess-$3$ code and the sum is less than $9$, then in order to get the correct answer it is necessary tosubtract $0011$ from the sumadd $001...
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7 votes
2 answers
74
ISRO2007-03
The circuit shown in the given figure is a full adder full subtracter shift register decade counter
The circuit shown in the given figure is afull adderfull subtractershift registerdecade counter
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6 votes
2 answers
75
ISRO2007-02
The circuit shown in the following figure realizes the function. $(\overline{A+B}+C)(\overline{D}\;\overline{E})$ $(\overline{A+B}+C)(D\overline{E})$ $(A+ \overline{B+C})(\overline{D}E)$ $(A+ B+\overline{C})(\overline{D} \;\overline{E})$
The circuit shown in the following figure realizes the function.$(\overline{A+B}+C)(\overline{D}\;\overline{E})$$(\overline{A+B}+C)(D\overline{E})$$(A+ \overline{B+C})(\o...
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10 votes
4 answers
76
ISRO2007-01
The Boolean expression $\text{Y = (A}+\overline{\text{B}}+\overline{\text{A}}\text{B})\overline{\text{C}}$ is given by $\text{A}\overline{\text{C}}$ $\text{B}\overline{\text{C}}$ $\overline{\text{C}}$ $\text{AB}$
The Boolean expression $\text{Y = (A}+\overline{\text{B}}+\overline{\text{A}}\text{B})\overline{\text{C}}$ is given by$\text{A}\overline{\text{C}}$$\text{B}\overline{\tex...
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47 votes
9 answers
79
GATE CSE 2004 | Question: 18, ISRO2007-31
In an $SR$ latch made by cross-coupling two NAND gates, if both $S$ and $R$ inputs are set to $0$, then it will result in $Q = 0, Q' = 1$ $Q = 1, Q' = 0$ $Q = 1, Q' = 1$ Indeterminate states
In an $SR$ latch made by cross-coupling two NAND gates, if both $S$ and $R$ inputs are set to $0$, then it will result in$Q = 0, Q' = 1$$Q = 1, Q' = 0$$Q = 1, Q' = 1$Inde...
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42 votes
5 answers
80
GATE CSE 2003 | Question: 60, ISRO2007-45
A program consists of two modules executed sequentially. Let $f_1(t)$ and $f_2(t)$ ... $\int_0^t f_1(x)f_2(t-x)dx$ $\max\{f_1(t),f_2(t)\}$
A program consists of two modules executed sequentially. Let $f_1(t)$ and $f_2(t)$ respectively denote the probability density functions of time taken to execute the two ...
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