To change file permissions
To reduce the file size for easier storage and sharing
To encrypt files for security
To convert files into a different format
DOS
UNIX
ULTA
LINUX
Lollipop
Marshmallow
Nougat
Oreo
Arrange the following operating system components from lowest to highest in terms of abstraction (from hardware to user-level):
1️⃣ Kernel
2️⃣ User Interface (Shell)
3️⃣ Application Programs
4️⃣ Hardware
1 → 4 → 3 → 2
4 → 3 → 2 → 1
3 → 2 → 4 → 1
4 → 1 → 2 → 3
Adobe Photoshop
MS Paint
MS Word
MS Powerpoint
Dot
@
#
$
CREATE
CD
DIR
MD or MKDIR
\bin
\etc
\dev
\root
Compiler
Loader
Assembler
Operating system
end
close
exit
none
.odt
.ods
.odp
.rtf
Photoshop
Skype
LibreOffice
8-bit microcomputers
16-bit microcomputers
32-bit microcomputers
64-bit microcomputers
Seek time + latency time
Seek time
Seek time - latency time
Latency time
Application Software
System software
Utility program
None of these
Program
Interpreter
Programming Language
Chmod
curl
df
all
.gif
.bmp
.cdc
.tiff
Android
MAC
Samsung
Array
Stack
Linked List
Tree
Hidden
Security
Read-only
Sharing
Command Prompt
Task Manager
Settings
Disk Manager
Monolithic kernel
Hybrid kernel
Scott kernel
Micro kernel
I/O
Process management
Compilation
File management
Ctrl+Alt+Del
Ctrl+Shift+Del
Ctrl+Alt+4
Ctrl+Alt+F10
mv
cp
ipr
Pt
Accuracy
Versatile
Automatic
Reliability
/bin
/root
/dev
etc/
Directly interact with hardware
Maintain and optimize the performance of a computer
Execute programs in RAM
Control file system operations
F1
F2
F3
F4
Increased throughput
Shorter response time
Decreased operating system overhead
Ability to assign priorities to jobs
F1 Key
F3 Key
F2 key
F4 key
2
4
1
6
Task Bar
Program Manager
Device Driver
Windows
Linux
Mac
All Of The Above
copycon
cat
dir
All of the above
Match the following DOS commands with their correct functions.
1-C, 2-A, 3-D, 4-B
1-B, 2-C, 3-A, 4-D
1-D, 2-E, 3-B, 4-A
1-F, 2-D, 3-C, 4-E
Low level language
Medium level language
High level language
None
Match the operating system with its manufacturer.
1 → A, 2 → B, 3 → D, 4 → C
1 → B, 2 → A, 3 → C, 4 → D
1 → C, 2 → A, 3 → D, 4 → B
1 → E, 2 → F, 3 → A, 4 → B
Which directly understood by a computer
Which needs to be translated
Which uses mnemonics
In which programs are written first.
Window icon + right arrow
Window icon + up arrow
Window icon + left arrow
Window icon + down arrow
Sound
Mouse
Keyboard
Admin Account
Match the operating system concepts with their descriptions.
1 → A, 2 → C, 3 → B, 4 → D
1 → E, 2 → D, 3 → F, 4 → A
1 → F, 2 → C, 3 → B, 4 → D
1 → D, 2 → B, 3 → C, 4 → A
it is a multi-user operating system
it is a highly secure operating system
it is multitasking operating system
Input
Output
Memory
Operation System
Start menu
File explorer
Control panel
Default programs
Application software
Productivity software
Business software
screen
screenshot
prt scr
print