← MES Jr. Grade
Past Questions
The state of a process is defined by:
A)
the final activity of the process
B)
the activity just executed by the process
C)
the activity to next be executed by the process
D)
the current activity of the process
Option A: the final activity of the process. This matches the standard definition or established fact for the concept asked.
The algorithm which displays line-type attributes by plotting pixel spans is
A)
Raster line algorithm
B)
Raster scan algorithm
C)
Random line algorithm
D)
Random scan algorithm
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Raster line algorithm' (Option A).
The color code “000” is for
A)
White
B)
Black
C)
Blue
D)
Green
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Green' (Option D).
Which of the these is the functionality of ‘Encapsulation’?
A)
Binds together code and data
B)
Using single interface for general class of actions.
C)
Reduce Complexity
D)
All of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'All of these' (Option D).
Inter process communication :
A)
allows processes to communicate and synchronize their actions when using the same address space
B)
allows processes to communicate and synchronize their actions without using the same address space
C)
allows the processes to only synchronize their actions without communication
D)
none of these
Option B: allows processes to communicate and synchronize their actions without using the same address space. This matches the standard definition or established fact for the concept asked.
What are the essential operators in c++?
A)
+
B)
|
C)
<=
D)
All of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'All of these' (Option D).
By operating system, the resource management can be done via
A)
time division multiplexing
B)
space division multiplexing
C)
both time and space division multiplexing
D)
none of these
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'time division multiplexing' (Option A).
Semaphores are mostly used to implement:
A)
System calls
B)
IPC mechanisms
C)
System protection
D)
None of these
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'System calls' (Option A).
A word whose individual bits represent a control signal is
A)
Command word
B)
Control word
C)
Co-ordination word
D)
Generation word
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Co-ordination word' (Option C).
The addressing mode which makes use of in-direction pointers is
A)
Indirect addressing mode
B)
Index addressing mode
C)
Relative addressing mode
D)
Offset addressing mode
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Offset addressing mode' (Option D).
Which of the following is false about a circular linked list?
A)
Every node has a successor
B)
Time complexity of inserting a new node at the head of the list is O(1)
C)
Time complexity for deleting the last node is O(n)
D)
None of these
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Time complexity of inserting a new node at the head of the list is O(1)' (Option B).
What is the number of edges present in a complete graph having n vertices?
A)
(n*(n+1))/2
B)
(n*(n-1))/2
C)
n
D)
Information given is insufficient
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'n' (Option C).
The fastest data access is provided using
A)
Caches
B)
DRAM’s
C)
SRAM’s
D)
Registers
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'DRAM’s' (Option B).
A dynamic RAM consist of
A)
6 transistors
B)
2 transistor and 2 capacitor
C)
1 transistor and 1 capacitor
D)
1 capacitor only
Based on established principles in the relevant subject area, the correct and most appropriate choice is '6 transistors' (Option A).
How do you initialize an array in C?
A)
int arr[3] = (1,2,3);
B)
int arr(3) = {1,2,3};
C)
int arr[3] = {1,2,3};
D)
int arr(3) = (1,2,3);
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'int arr[3] = (1,2,3);' (Option A).
ANSI stands for
A)
American National Standards Institute
B)
Architectural National Standards Institute
C)
Asian National Standards Institute
D)
None of these
Based on established principles in General Knowledge (unspecific), the correct and most appropriate choice is 'None of these' (Option D).
QuickSort can be categorized into which of the following?
A)
Brute Force technique
B)
Divide and conquer
C)
Greedy algorithm
D)
Dynamic programming
Option B: Divide and conquer. This matches the standard definition or established fact for the concept asked.
NFA, in its name has ’non-deterministic’ because of :
A)
The result is undetermined
B)
The choice of path is non-deterministic
C)
The state to be transited next is non-deterministic
D)
All of these
Option C: The state to be transited next is non-deterministic. This matches the standard definition or established fact for the concept asked.
In case of, Zero-address instruction method the operands are stored in
A)
Registers
B)
Accumulators
C)
Push down stack
D)
Cache
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Push down stack' (Option C).
The computer architecture aimed at reducing the time of execution of instructions is
A)
CISC
B)
RISC
C)
ISA
D)
ANNA
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'CISC' (Option A).
The Grammar can be defined as: G=(V, S, p, S) In the given definition, what does S represents?
A)
Accepting State
B)
Starting Variable
C)
Sensitive Grammar
D)
None of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Sensitive Grammar' (Option C).
A language is regular if and only if
A)
accepted by DFA
B)
accepted by PDA
C)
accepted by LBA
D)
accepted by Turing machine
Option A: accepted by DFA. This matches the standard definition or established fact for the concept asked.
Which of the following is not true in Boolean algebra?
A)
x + 1 = 1
B)
x + x` = 1
C)
x . x` = 0
D)
x . x = 1
Based on established principles in Electrical / Electronics Engineering, the correct and most appropriate choice is 'x . x` = 0' (Option C).
Which of these best describes an array?
A)
A data structure that shows a hierarchical behaviour
B)
Container of objects of similar types
C)
Container of objects of mixed types
D)
All of these
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'All of these' (Option D).
In linked list each node contain minimum of two fields. One field is data field to store the data second field is?
A)
Pointer to character
B)
Pointer to integer
C)
Pointer to node
D)
Node
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Pointer to node' (Option C).