ISRO CS 2009

Question 61

On receiving an interrupt from an I/O device,the CPU

• Halts for a predetermined time
• Branches off to the interrupt service routine after completion of the current instruction
• Branches off to the interrupt service routine immediately
• Hands over control of address bus and data bus to the interrupting device

Question 62

Compared to CISC processors,RISC processors contain:

• More register and smaller instruction set
• larger instruction set
• less registers and smaller instruction set
• more transistor elements

Question 63

Which of the following is/are true of the auto-increment addressing mode? I. It is useful in creating self-relocating code II. If it is included in an Instruction Set Architecture, then an additional ALU is required for effective address calculation III. The amount of increment depends on the size of the data item accessed

• I only
• II only
• III only
• II and III only

Question 64

The shift operator E is defined as E[f(x_i)] = f(x_i + h) and E\'[f(x_i)] = f(x_i - h) then △ (forward difference) in terms of E is

• E^-1
• E
• 1 - E^-1
• 1 - E

Question 65

The formula:

• Simpson rule
• Trapezoidal rule
• Romberg\'s rule
• Gregory\'s formula

Question 66

The image is called?

• Newton\'s backward formula
• Gauss forward formula
• Gauss backward formula
• Stirling\'s formula

Question 67

then, find the value of x

• 2
• 3
• 4
• 5

Question 68

• 779
• 679
• 0
• 256

Question 69

Let f(x) be the continuous probability density function of a random variable x, the probability that a < x ≤ b, is

• f (b − a)
• f (b) − f (a)
• 
• 

Question 70

If the mean of a normal frequency distribution of 1000 items is 25 and its standard deviation is 2.5, then its maximum ordinate is

• (1000/√2π).e^-25
• 1000/√2π
• (1000/√2π ).e_-2.5
• 400/√2π