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WorksheetsCSI-Student Chapter Technical Quiz
Total questions: 50
Worksheet time: 28mins
Guess the output?
3
-4
4
Compile error
Which of the following operator can be used to access value at address stored in a pointer variable?
*
&
->
.
What is the output of the following code snippet?
Hi
HelloHi
Compile error
Compiler warning
What is the output of the below code snippet?
Infinite loop
Prints “Hello” once
No output
Compile error
Generally string is a sequence of characters, But in java, string is an _______.
Object
Class
Package
None of the above
Which of these is returned by “greater than”, “less than” and “equal to” operators ?
a) Integers
b) Floating – point numbers
c) Boolean
d) None of the mentioned
Which of the following declares an array of int named img?
int img;
int[] img;
new int img[];
int img = int[];
Which of the following is a valid statement?
char[] c = new char();
char[] c = new char[5];
char[] c = new char(4);
char[] c = new char[];
What will be the output of the following Java code?
3
0
6
1
Roles of DBAs are....
Schema Definition
Storage Structure and Access Definition
Defining Security and Integrity Constraint
Granting Authorization for Data Access
Monitoring Performance and Backup , Recovery
A database schema is the skeleton structure that represents the logical view of the entire database. It defines how the data is organized and how the relations among them are associated. It formulates all the constraints that are to be applied on the data.
False
True
NA
DA mean
Data Admin
Data Administrator
Data Atom
None
DBA is a not technical person
False
True
none
Context diagram explains:
The overview of the system
The internal view of the system
The entities of the system
The flow chart of the system
Which one is not a step of requirement engineering?
Requirements elicitation
Requirements analysis
Requirements design
Requirements documentation
Requirement engineering process includes which of these steps?
Feasibility study
Requirement Gathering
Software Requirement specification & Validation
All of these
"A heat sensor detects an intrusion and alerts the security company.” What kind of a requirement the system is providing?
Functional
Non-Functional
Known Requirement
None of the above
Which of the following is not an example of Programming Language Translator?
Assembler
Compiler
Debugger
Interpreter
It is important to consider the hardware ________ before choosing an operating system.
Size
Speed
Specification
Brand
Which Operating System is not applicable to install on mobile devices?
IOS
ANDROID
MAC OS
WINDOWS
The Operating System is a program that allows different ____________ and various pieces of hardware to _________with each other.
application, software
software , application
application , communicate
software, communicate
22,7,22,1,7,18,18,16,6,6,7
8,13,2,4,48
Which of these data structures is LIFO?
Stack
Queue
Binary Tree
Double linked list
It use pointer to link nodes.
Variable
Link List
Pointer
Trees
Which of the following sorting algorithms has the lowest worst-case complexity?
Quick sort
Merge sort
Selection sort
Bubble sort
The worst case occurs in linear search algorithm when ______________________
Item is not in the array at all
Item is somewhere in the middle of the array
Item is the last element in the array or item is not there at all
Item is the last element in the array
The motherboard
Which of the following can be used to extract structured information from unstructured data?
Organize data into information
Identify patterns in data
Create frameworks for information
All of the above
What is NOT a characteristic of big data?
Volume
Variety
Vision
Velocity
Which of the following is an example of big data?
UMOBILE
AN IPHONE
BILLION SI
NETFLIX
TESCO
What does Velocity refers to?
processing speed of a data
speed of an internet
the volume to the city
