# ISRO Scientist/Engineer Question Paper Computer Science 2013

##### 6. Question

Consider the following pseudo code:

x: integer := 1

y: integer := 2

procedure add

x:= x+y

procedure second (P: procedure)

x: integer :=3

P()

procedure frist

y: integer := 3

second(add)

first()

write_integer (x)

What does it print if the language uses dynamic scoping with deep binding?

Answer

##### 7. Question

Which logic gate is used to detect overflow in 2s complement arithmetic?

Answer

##### 8. Question

In an array of 2N elements that is both 2-ordered and 3-ordered, what is the maximum number of positions that an element can be from its position if the array were 1-ordered?

Answer

##### 9. Question

If the frame buffer has 8 bits per pixel and 8 bits are allocated for each of the R,G,B components, what would be the size of the lookup table?

Answer

##### 10. Question

When two BCD numbers 0x14 and 0x08 are added what is the binary representation of the resultant number?

Answer