ISRO CS 2011

Question 61

One SAN switch has 24 ports. All 24 supports 8 Gbps Fiber Channel technology. What is the aggregate bandwidth of that SAN switch?

• 96 Gbps
• 192 Mbps
• 512 Gbps
• 192 Gbps

Question 62

Find the output of the following Java code line

System.out.println(math.floor(-7.4))

• -7
• -8
• -7.4
• -7.0

Question 63

Belady\'s anomaly means

• Page fault rate is constant even on increasing the number of allocated frames
• Page fault rate may increase on increasing the number of allocated frames
• Page fault rate may increase on decreasing the number of allocated frames
• Page fault rate may decrease on increasing the number of allocated frames

Question 64

In an RS flip-flop, if the S line (Set line) is set high (1) and the R line (Reset line) is set low (0), then the state of the flip-flop is

• Set to 1

• Set to 0

• No change in state

• Forbidden

Question 65

In HTML, which of the following can be considered a container?

• SELECT
• Value
• INPUT
• BODY

Question 66

In a system using single processor, a new process arrives at the rate of six processes per minute and each such process requires seven seconds of service time. What is the CPU utilization?

• 70%
• 30%
• 60%
• 64%

Question 67

A symbol table of length 152 is processing 25 entries at any instant. What is occupation density?

• 0.164
• 127
• 8.06
• 6.08

Question 68

A problem whose language is recursive is called?

• Unified problem
• Boolean function
• Recursive problem
• Decidable

Question 69

Logic family popular for low power dissipation

• CMOS
• ECL
• TTL
• DTL

Question 70

What is the matrix that represents rotation of an object by θ degree about the origin in 2D?

• cos θ    −sin θ
  sin θ     cos θ

• sin θ   −cos θ
  cos θ    sin θ

• cos θ   −sin θ
  cos θ    sin θ

• sin θ   −cos θ
  cos θ    sin θ