Technical Questions asked in Cadence

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The Program Counter (PC)
1. is a register
2. during exacution of the current instruction, its content changes
3. both (a) and (c)
4. none of these
Answer: Option C

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Virtual memory
1. is a method of memory allocation by which the program is subdivided into equal portions,
2. 8 pages and core is subdivided into equal portions
3. consists of those addresses that may begenerated by a processor during execution of a computation
4. is a method of allocating processor time
5. allows multiple programs to reside in separate areas of core at a time
Answer: Option C
To scan a and b given below which scanf () statement would you use?
flat a;
double b;
1. scanf ("%f%f",&a,&b);
2. Scan f ("%Lf%Lf",&a,&b);
3. scanf("%f%Lf",&a,&b);
4. Scanf("%f%1f’,&a,&b);
Answer: Option D
Which of the following statements is incorrect?
1. C provides no input-output features
2. C provides no file access features
3. Provides no features to manipulate composite objects
4. All of these
Answer: Option D
5. Consider following program fragment:
char c = 'a'; while
while (c++ < = 'z')
putchar (xxx);
If required output is abed......xyz, then xxx should be
1. C
2. c-2
3. C-1
4. --c
Answer: Option C

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The average time required to perform a successful sequential search for an element in an array
A(l : n) is given by
1. (n + 1)/2
2. Log₂ n
3. n(n + 1)/2
4. n²
Answer: Option A

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