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WorksheetsComputer Awareness - 8
Total questions: 60
Worksheet time: 20mins
To erase the letters to the left of cursor, we use _____
Backspace key
Delete Key
Enter Key
Caps Lock
What is the blinking bar called?
Arrow
Mouse
Cursor
letter
Java language is the example of _________ languge
First generation
Second generation
High level
A/an __________ converts a high level language program into machine language,line by line.
Assembler
Compiler
Interpreter
Machine Language is a -------- language.
4th Generation
3rd Generation
1st Generation
2nd Generation
CD-ROM DISC IS INCLUDED IN WHICH MEMORY CATEGORIE?
SECONDARY MEMORY
PRIMARY
BOTH OF THEM
NONE OF THE ABOVE
WHO INVENTED THE FIRST DISK DRIVE FOR MICROCOMPUTERS THE ST506 WHICH STORED UP TO 5 MEGABYTES?
INTEL CORPORATION
PHILLIPS
SEAGATE TECHNOLOGY
ALL OF THESE
THE PROCESS OF STARTING OR RESTARTING A COMPUTER IS CALLED WHAT?
TURN OF
START UP
BOOTING
ALL OF THESE
A POWERPOINT PRESENTATION IS ALSO CALLED _________.
SLIDE SHOW
SLIDE VIEW
SLIDE PRESENTATION
ALL OF THESE
Identify the image shown above..
Switch
Network Cable
Network Interface Card
Hub
Which pair below are most alike
Router and Modem
Switch & Modem
Router and Hub
Hub & Switch
a type of computer network that connects a computer in a relatively small area like in an office building, school or home
Local Area Network
Wide Area Network
Wireless Local Area Network
Metropolitan Area Network
What command to check internet connection with Command Prompt ?
PING
iperf
redgedit
telnet
One byte is equivalent to ____________ .
1 bit
8 bits
1,024 bits
1,024 bytes
Who is regarded as the first computer programmer.
Lady Ada Lovelace
None
George Boole
Charles Babbage
Charles Babbage invented the first computer in the year...
1922
1943
1822
1943
hard drive
plays dvds
storage for all software and files on the computer
allows the computer to "think"
cools the CPU
Which generation of computers uses artificial intelligence ?
fourth Generation computers
First Generation computers
Fifth Generation computers
Third Generation computers
Who invented the Tabulating machine?
Dr. Herman Hollerith
John Von Neumann
Howard Aiken
Field is otherwise called as ......... of the record
data item
data type
value
variable
What does SQL stands for?
Standard Query Language
Structured Query Language
Structured Query Link
Standard Query Link
What is a 'foreign key' in the context of relational databases? How is it different from a 'primary key'?
A 'foreign key' is a key used to sort the records in a table
A 'foreign key' is a key used to encrypt data in a table
A 'foreign key' in the context of relational databases is a field that links to the primary key of another table. It is used to establish a relationship between two tables. A 'primary key' is a unique identifier for each record in a table, while a 'foreign key' references the primary key in another table.
A 'foreign key' is a key used to access a table from a different database
______________ is the most popular and powerful Relational Database Management System(RDBMS) that serves as an integral part of the MS Office Suite Application.
MS Word
MS Excel
MS Access
MS OneDrive
DBMS means__________________________________ .
DataBase Maintain System
Data Bit Management System
Database Management System
DataBase Management Software
Which of the following is an example of a DBMS
SQL
Microsoft Office
PHP
Oracle
What is the role of the scheduler in an operating system?
Handling user input
Managing I/O operations
Allocating CPU time to processes
Creating virtual machines
Which scheduling algorithm ensures that each process gets an equal amount of CPU time?
Round-Robin
First-Come, First-Served (FCFS)
Shortest Job Next (SJN)
Priority-based
What is the main advantage of using virtual memory in an operating system?
Increased RAM capacity
Faster access to secondary storage
Better security for sensitive data
The illusion of having more physical memory than actually available
What is a deadlock in an operating system?
A state where a process is waiting for a resource held by another process, creating a circular chain of dependencies.
A state where a process has no work to do and waits indefinitely.
A situation where multiple processes are competing for CPU time.
A state where a process is executing in kernel mode.
iOS is a mobile Operating System created and developed by ______________ .
IBM
AT&T
Apple
_________ is an example for the single Task operating system.
DOS
Windows
Linux
Android
In ____________ data structure, the data items are arranged in a linear sequence.
linear
non linear
both a and b
all of above
Stack uses __________ data structure as the element that was inserted last is the first one to be taken out.
LIPO
FIFO
LIFO
FIPO
_________ operation adds an element to the top of the stack.
pop
push
peep
all of the above
A queue is a _________ data structure in which each element that was inserted first is the first one to be taken out.
FITO
FIFO
FISO
FIVO
What is the maximum number of children that a node can have in a binary tree?
3
1
4
2
A field or collection of fields in a record which identifies a record uniquely is called a ______________
Primary Key
Secondary Key
None of the above
Algorithm is a __________________ procedure.
shortcut
function
reverse
step by step
Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.
9B
9C
8F
9D
Total number of Characters on English keyboard that can be encoded by 7-bit ASCII code is _______
128
182
256
265
When A and B represent the inputs of an Exclusive OR logic gate ,its output O will be
O=AB’+A’B
O=AB+A+B
O=A+B+(AB)'
None of these
Who is the father of C language?
Steve Jobs
James Gosling
Dennis Ritchie
Rasmus Lerdorf
All keywords in C are in ____________
LowerCase letters
UpperCase letters
CamelCase letters
None of the mentioned
While working on Microsoft Word, which among the following is the command for “Undo”?
Ctrl +A
Ctrl +Z
Ctrl +Y
Ctrl +C
