MES Jr. Grade • Paper-II
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.
MES Jr. Grade • Paper-II
The objects transformed using the equation P’=S*P should be
A)
Scaled
B)
Repositioned
C)
Both a and b
D)
Neither a nor b
Option A: Scaled. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
Which rule will not affect the friend function?
A)
private and protected members of a class cannot be accessed from outside
B)
private and protected member can be accessed anywhere
C)
protected member can be accessed anywhere
D)
none of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'none of these' (Option D).
MES Jr. Grade • Paper-II
The only state transition that is initiated by the user process itself is :
A)
block
B)
wakeup
C)
dispatch
D)
none of these
Option A: block. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
Which of the following concept is often expressed by the phrase, ‘One interface, multiple methods’?
A)
Abstraction
B)
Polymorphism
C)
Inheritance
D)
Encapsulation
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Encapsulation' (Option D).
MES Jr. Grade • Paper-II
Which one is not a type of basic fill styles?
A)
Hollow
B)
solid color
C)
Pattern
D)
Dark
Option D: Dark. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
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).
MES Jr. Grade • Paper-II
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).
MES Jr. Grade • Paper-II
The link between two processes P and Q to send and receive messages is called :
A)
communication link
B)
message-passing link
C)
synchronization link
D)
all of these
Option B: message-passing link. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
Scheduling is done so as to:
A)
increase CPU utilization
B)
decrease CPU utilization
C)
keep the CPU more idle
D)
None of these
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'increase CPU utilization' (Option A).
MES Jr. Grade • Paper-II
Runtime polymorphism is achieved by
A)
Friend function
B)
Virtual function
C)
Operator overloading
D)
Function overloading
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Function overloading' (Option D).
MES Jr. Grade • Paper-II
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.
MES Jr. Grade • Paper-II
Exception handling is targeted at
A)
Run-time error
B)
Compile time error
C)
Logical error
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).
MES Jr. Grade • Paper-II
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).
MES Jr. Grade • Paper-II
The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called
A)
Rasterization
B)
Encoding
C)
Scan conversion
D)
True color system
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Rasterization' (Option A).
MES Jr. Grade • Paper-II
In 2D-translation, a point (x, y) can move to the new position (x`, y`) by using the equation
A)
x`=x+dx and y`=y+dx
B)
x`=x+dx and y`=y+dy
C)
X`=x+dy and Y`=y+dx
D)
X`=x-dx and y`=y-dy
Option B: x`=x+dx and y`=y+dy. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
Which one of the following is not true?
A)
kernel is the program that constitutes the central core of the operating system
B)
kernel is the first part of operating system to load into memory during booting
C)
kernel is made of various modules which can not be loaded in running operating system
D)
kernel remains in the memory during the entire computer session
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'kernel remains in the memory during the entire computer session' (Option D).
MES Jr. Grade • Paper-II
The Cartesian slope-intercept equation for a straight line is
A)
y = m.x + b
B)
y = b.x + m
C)
y = x.x + m
D)
y = b + m.m
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'y = b.x + m' (Option B).
MES Jr. Grade • Paper-II
The interval from the time of submission of a process to the time of completion is termed as
A)
waiting time
B)
turnaround time
C)
response time
D)
throughput
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'waiting time' (Option A).
MES Jr. Grade • Paper-II
Member functions, when defined within the class specification
A)
Are always inline
B)
Are not inline
C)
Are inline by default, unless they are too big or too complicated
D)
Are not inline by default
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Are not inline' (Option B).
MES Jr. Grade • Paper-II
Which of the following do not belong to queues for processes ?
A)
Job Queue
B)
PCB queue
C)
Device Queue
D)
Ready Queue
Option B: PCB queue. This matches the standard definition or established fact for the concept asked.
MES Jr. Grade • Paper-II
In graphical system, the array of pixels in the picture are stored in
A)
Memory
B)
Frame buffer
C)
Processor
D)
All of these
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'All of these' (Option D).
MES Jr. Grade • Paper-II
The two kinds of semaphores are:
A)
mutex & counting
B)
binary & counting
C)
counting & decimal
D)
decimal & binary
Based on established principles in Basic Computer Knowledge, the correct and most appropriate choice is 'mutex & counting' (Option A).
MES Jr. Grade • Paper-II
The members of a class by default are
A)
Public
B)
Protected
C)
Private
D)
Mandatory to specify
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Protected' (Option B).
MES Jr. Grade • Paper-II
If the boundary is specified in a single color, and if the algorithm proceeds pixel by pixel until the boundary color is encountered is called
A)
Scan-line fill algorithm
B)
Boundary-fill algorithm
C)
Flood-fill algorithm
D)
Parallel curve algorithm
Based on established principles in Computer Science & Engineering, the correct and most appropriate choice is 'Flood-fill algorithm' (Option C).
