Window icon + right arrow

Window icon + up arrow

Window icon + left arrow

Window icon + down arrow

Is-1

ls -la

du

ls -a

New Technology File System

Network Technology File System

New Task File System

Non-Transactional File System

Kernel

Access

Process

None

Accuracy

Versatile

Automatic

Reliability

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

Organize fragmented files

Delete unnecessary and temporary files

Format the hard drive

Optimize system performance

1-B, 2-C, 3-A, 4-D

1-D, 2-E, 3-B, 4-C

1-C, 2-F, 3-B, 4-A

1-F, 2-D, 3-C, 4-E

Creates a thread

Creates a child process

Changes the mode of operation to kernel mode

Changes the users and/or group ownership of each given file

Start menu

File explorer

Control panel

Default programs

Providing predictable and fast response times

Efficient multitasking

To provide a graphical user interface for applications

High graphical performance

COPY

DISKCOPY

CHKDSK

TYPE

2

4

1

6

a combination of computer hardware

a program which translates from high-level language to another

a program which translates from one high-level to a machine level

None of these

/boot

/etc

/bin

/sbin

CPU

ALU

Kernel

Processor

Bluetooth And Other Device

Printer

Printers And Scanners

Scanners

Window phone

Android

BADA

All of the above

Low level language

Medium level language

High level language

None

Free system foundation

Free Software Foundation

Free service fund

Fund System Foundation

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

!

@

$

#

Input

output

operating system

hardware

Desktop

Hard disk

Pendrive

Services

Compiler

Program

Interpreter

Programming Language

Kernel

Terminal

Shell

Command

1-B, 2-C, 3-A, 4-D

1-D, 2-E, 3-B, 4-A

1-C, 2-A, 3-D, 4-B

1-F, 2-D, 3-C, 4-E

Input

Output

Memory

Operation System

Time sharing

Multitasking

Only Time sharing

Both Time sharing and Multitasking

.gif

.bmp

.cdc

.tiff

Array

Stack

Linked List

Tree

end

close

exit

none

Application layer

Kernel

Middleware

Shell

end

close

exit

none

Lollipop

Marshmallow

Nougat

Oreo

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

.odt

.ods

.odp

.rtf

Which directly understood by a computer

Which needs to be translated

Which uses mnemonics

In which programs are written first.

Command Prompt

Task Manager

Settings

Disk Manager

screen

screenshot

prt scr

print

Chmod

curl

df

all

Monolithic kernel

Hybrid kernel

Scott kernel

Micro kernel

Sound

Mouse

Keyboard

Admin Account

An Operating System itself

Complete software package

Program in execution

Interrupt handler

Compiler

Loader

Assembler

Operating system

Adobe Photoshop

MS Paint

MS Word

MS Powerpoint

8-bit microcomputers

16-bit microcomputers

32-bit microcomputers

64-bit microcomputers

Control Panel

Dynamic data exchange

File manager

None of the above

Shell

Assembler

Terminal

None of these

delete

rm

dm

erase