Worksheetskernel linux
Total questions: 60
Worksheet time: 2hrs 0mins
A Linux distribution is a collection of; usually open source, software on top of a Linux kernel
True
False
Who is the creator of Linux?
Steve Jobs
Bill Gates
Linus Torvalds
Jeff Bezos
What is the core of a Linux Operating System?
Kernel
Shell
Command
GUI
What are the advantages of Linux.
Select all that apply: (multiple options can select)
Open Source
Free or Low Cost
Stable
Secure
Open source means you can
The product is usually free and can be modified
The product cost and you cannot change the software
Only by get the software online
A thread is also called
Light Weight Process(LWP)
Heavy Weight Process(HWP)
A heavy weight process
has a single thread of execution
can have multiple or a single thread for execution
A process having multiple threads of control implies
it can do more than one task at a time
it has to use only one thread per process
Multithreading an interactive program will increase responsiveness to the user by
continuing to run even if a part of it is blocked
asking the user to decide the order of multithreading
Multithreading on a multi – CPU machine
decreases concurrency
increases concurrency
The kernel is _______ of user threads.
unaware of
a part of
Which of the following directory contains configuration files in Linux?
etc
dev
The maximum filename size in Linux in bytes is 255.
False
True
____________ command is used to remove the directory.
rmdir
rd
Which of the following combination of keys is used to exit from terminal?
ctrl+d
ctrl+e
In distributed system, each processor has its own ___________
a) local memory
b) clock
c) both local memory and clock
d) none of the mentioned
How many of the following are examples of Embedded Systems?
Mobile Phone
Washing Machine
Microwave
Fridge
Laptop
How many of the following are not examples of Embedded Systems?
Mobile Phone
Washing Machine
Microwave
Fridge
Laptop
Which of the following are examples of the advantages of using Embedded Systems?
They make devices easier to use
They speed the processes a device can perform
It creates a more reliable device
It enhances the usability of the device
On a washing machine, the embedded system receives INPUT by ...
Someone choosing a wash cycle
Filling up the washing machine with water
Draining the water
Watchdog is....?
Timer used to detect a system problem
A converter to convert Analog to Digital
Random Access Memory
A timer case a microcontroller to respond to external and internal events
The tool which converts the application development in high level language into target processor specific assembly code:
Target Compiler
Cross Compiler
Embedded Compiler
Binary Compiler
Final stage in the conversion of Assembly language to machine understandable language is ?
Assembly language to Object file
Assembly language to Hex file
Object file to Hex file
Hex file to Object file
Write 5 specialities of embedded system
What are the different operating system used in embedded system
Write some examples of Embedded operating system
What are the different operating system used in embedded system
Write some examples of Embedded operating system
What are the activities of embedded operating system
What are the components in embedded os architecture
Embedded system is a large system
No
Yes
...... is a reality example about the embedded system
tablets
Doors
Tables
company
What is the name of this chip?
Microscope
Microwave
Kit Kat bar
Microcontroller
Embedded system makes life easier
True
False
Not given
Which design allows the reuse of the software and the hardware components?
Memory Design
Platform-based design
Input design
Which one of the following offers CPUs as integrated memory or peripheral interfaces?
Microcontroller
Microprocessor
Embedded system
Memory system
How many bits does an MC6800 family have?
16
32
4
8
What is CISC?
Computing instruction set complex
Complex instruction set computing
Complimentary instruction set computing
Complex instruction set complementary
How is the protection and security for an embedded system made?
OTP
IPR
Memory disk security
Security chips
How is the protection and security for an embedded system made?
OTP
IPR
Memory disk security
Security chips
These are small computer programs that allow operating systems to read pieces of hardware connected to your computer
Device
Driver
Device Driver
Hardware
What does BIOS stand for?
(a)
These are small software programs that help the operating system use or “drive” the device
Device
Drivers
Device Drivers
Hardware
This device driver read .iso files without having an actual disc, using one of these drivers to emulate a CD or DVD drive
BIOS
Motherboard Drivers
Hardware Drivers
Virtual Device Drivers
These are programs that are designed to allow pieces of computer hardware to function on a computer.
BIOS
Motherboard Drivers
Hardware Drivers
Virtual Device Drivers
BIOS are not the same as motherboard drivers
True
False
In many cases, if Windows recognizes the device, drivers will not be installed automatically.
True
False
BIOS are not the same as motherboard drivers
True
False
Part I
Directions: Read each statement carefully and select the best answer. Write the letter on the space provided before each number.
____The small software programs that help the operating system to use a device. What is being described in the given statement?
Drivers
Software
Memory
Processor
____Which of the following steps is NOT included in the procedure of obtaining and installing drivers in hardware devices?
Determine the hardware manufacturer
Obtain hardware
Install driver
Obtain software
____Which of the following is the last option from which you may obtain the device drivers?
Installation CD or floppy disk
USB
Memory Card
Ram
This software focuses on how an OS functions and then accordingly, it decides its trajectory to smoothen the functioning of the system.
Device Drivers
Web Browsers
Application Software
Utility Software
Because of their small size motorcycles appear to be going ________ than they really are.
Faster
Slower
Neither answer is correct
It means the devices will work without requiring driver installation.
Driver
OS
Operating System
Plug n Play
Driver is the linker of the computer’s devices attached to it.
FALSE
TRUE
