# 10 MCQ For IBPS IT Officer Exam 2017

**1)Which of these best describes an array?**

a)A data structure that shows a hierarchical behavior

b)Container of objects of similar types

c)Container of objects of mixed types

d)All of the mentioned

e)None of these

**2)Assuming int is of 4 bytes, what is the size of int arr[15];?**

a)15

b)30

c)45

d)60

e)None of these

**3)The amount of uncertainty in a system of symbol is called**

a)Bandwidth

b)Loss

c)Entropy

d)Quantum

e)None of these

**4)Working of the WAH generally involves**

a)telephone lines

b)micro waves

c)satellites

d)all of these

e)None of these

**5)Different computers are connected to a LAN by a cable and**

a)interface card

b)modem

c)special wires

d)telephone lines

e)None of these

**6)Which of the following methods can be used to search an element in a linked list?**

a)Iterative linear search

b)Iterative binary search

c)Recursive binary search

d)All of the mentioned

e)None of these

**7)What is the time complexity of the above implementation of linear search on a linked list?**

a)O(1)

b)O(n)

c)O(n2)

d)O(n3)

e)None of these

**8)Breadth First Search is equivalent to which of the traversal in the Binary Trees?**

a)Pre-order Traversal

b)Post-order Traversal

c)Level-order Traversal

d)In-order Traversal

e)None of these

**9)Desirable characteristic(s) of a memory system is(are)**

a)Speed and reliability

b)Low power consumption

c)Durability and compactness

d)All of these

e)None of these

**10)Generally , the refreshing rate of dynamic RAMs is approximately once in**

a)Two micro second

b)Two milli second

c)Sixty four milli second

d)Four milli second

e)None of these

**Answers:**

1)b

2)d

3)c

4)d

5)a

6)a

7)b

8)c

9)d

10)b