Worksheets1-50
Total questions: 50
Worksheet time: 25mins
The basic principles of the processor classification:
capacity and performance
stiffness and flexibility
temperature and climate
oscillatory and demonstration
zero and a unit
Processor speed is measured:
in megahertz
pixels
bytes
bit
at points
... applies a magnetic hard disk
External memory
RAM
ROM
Internal memory
Cache memory
The plotter and the printer are ... devices:
output
entry
input
system
support
Speakers are an example of ...
an output device.
an input device.
a processor.
a storage device.
a power supply
Which device is considered the first mechanical calculator?
Pascal's Calculator
Babbage's Analytical Engine
ENIAC
Abacus
Turing Machine
Which generation of computers used transistors instead of vacuum tubes?
Second
First
Third
Fourth
Fifth
Which component performs the main calculations in a computer?
Central Processing Unit (CPU)
RAM
Graphics Processor
Hard Disk
Network Adapter
Which architecture uses separate buses for data and instructions?
Harvard Architecture
Von Neumann Architecture
Crystal Architecture
Grid Architecture
Symmetric Multiprocessor Architecture
Which format is used for text representation in computers?
ASCII
JPEG
MP4
WAV
BMP
Which metric measures the number of operations performed per second?
Clock Frequency
Efficiency
Latency Time
Speed
Energy Consumption
Why do computers use the binary number system?
It is easier to implement in digital electronics
It is simpler for users
It requires less energy
It allows the use of more digits
It reduces production costs
Which component is responsible for temporarily storing data while the computer is running?
Random Access Memory (RAM)
Processor
SSD
Hard Disk (HDD)
Network Adapter
What was the advantage of using microprocessors in the fourth generation of computers?
Reduction in the size and cost of computers
Increased heat generation
Complication of programming
Emergence of vacuum tubes
Decrease in performance
What advantage does the Harvard architecture have over the Von Neumann architecture?
Increased data access speed
Lower production cost
Simplification of programming
Reduced energy consumption
Increased RAM size
How are image data encoded in computers?
In numerical RGB format
As text files
In binary ASCII code
In WAV audio format
In analog format
According to Amdahl's Law, which part of a program limits the maximum speedup when the number of processors increases?
Sequential part
Parallel part
Clock frequency
Memory size
Number of operations
What happens to system performance if there is insufficient RAM?
The system uses the hard disk as temporary memory
The system becomes faster
Energy consumption decreases
System stability increases
Cache size increases
Why is Amdahl's Law important for evaluating the efficiency of parallel computations?
It explains the limitations of speedup from parallelism
It increases the number of processors
It reduces computer costs
It increases clock frequency
It helps improve graphics performance
Which metrics are most important for assessing the energy efficiency of a computer system?
Efficiency and energy consumption
Clock frequency and speed
Speed and cache memory
RAM size and processor
Graphics performance and data volume
How does Amdahl's Law affect the planning of large computational projects?
Indicates the limitations of parallel task processing
Helps reduce programming errors
Increases performance by reducing the number of processors
Improves graphics quality
Allows the use of less memory
What happens to task execution time when the clock frequency of the processor increases?
Decreases
Increases
Remains unchanged
Depends on the memory size
Depends on the graphics processor frequency
How do energy costs affect the performance of computer systems in data centers?
Increase cooling and operating costs
Increase overall performance
Reduce the need for cache memory
Improve operational stability
Reduce processor clock frequency
You are using a computer for multitasking operations, including processing large data volumes and video editing. Which hardware should be upgraded for maximum performance improvement?
Increase the RAM size
Install SSD instead of HDD
Install a more powerful graphics processor
Increase the processor clock frequency
Increase the cache size
You have the opportunity to add additional processors for a large parallel computing project. How do you determine how many processors to add to maintain efficiency?
Calculate the optimal number using Amdahl's
Add the minimum number of processors
Increase the number of processors to the maximum
Follow the equipment manufacturer's recommendations
Increase RAM size before adding processors
Operation system:
a complex of software tools that control the operation of the computer
a set of basic devices and common programs
technical computer documentation
application
language programming
The clipboard enables data exchange:
between apps
with hard drive
with modem
between networks
with printer
The restored file from the recycle bin will be placed in:
а original location
on the desktop
in 'My Documents' folder
in the root directory
the main menu
Windows is:
a window to work with programs and documents which has a managing set of tools
a window of Main Menu, which has a control set of tools
a window of Desktop to work with programs and documents
a window of Taskbar to work with internal and external devices
a window, to work only with standard programs
Application programs – is:
a program for the user
a set of operators and commands
mini-OS, tests the computer when you turn on
program, that run at startup
ready-made formulas that perform operations on cells
Which of the following statements describes system software?
operating systems and device drivers
programs for text editing
programs for creating graphics
programs for playing music
game applications
What function of an operating system allows a user to run multiple programs simultaneously?
process management
file management
memory management
input/output management
user management
Which OS is considered the first graphical operating system?
macOS
MS-DOS
Unix
Windows NT
Android
Which of the following is an example of application software?
Microsoft Word
printer driver
operating system
file system
BIOS
What type of interface uses text-based commands?
Command-Line Interface (CLI)
Graphical User Interface (GUI)
Text Interface
Visual Interface
Voice Interface
Which Command Prompt command is used to view the current OS version?
ver
cd
date
dir
time
Embedded software often operates in real-time to:
ensure timely execution of critical tasks
reduce power consumption
reduce CPU load
improve the user interface
support network operation
Why is interface usability important for user interaction with a computer?
increases speed and accuracy of task completion
reduces memory usage
lowers equipment costs
increases software development costs
reduces CPU load
What problem does multitasking in operating systems solve?
allows multiple tasks to be executed simultaneously
speeds up the OS boot process
reduces RAM usage
increases hard drive size
optimizes GPU performance
How are operating systems classified based on the device?
for desktops, servers, and mobile devices
by security level
by graphical interface
by programming language
by speed of operation
Choosing the correct system software for a computer will allow:
compatibility with hardware and application programs
lowering the cost of graphics programs
improving the graphical interface
reducing memory usage
speeding up the loading of web pages
Which interface is most suitable for working with documents?
Graphical Interface (GUI)
Command-Line Interface (CLI)
Voice Interface
Touch Interface
Augmented Reality Interface
How does an operating system manage files and directories?
provides creation, deletion, renaming, and copying of files and directories
uses the command-line interface
uses only device drivers
connects external devices
supports the operation of graphical applications
Which of the following statements is true for network operating systems?
provide the ability to work in a network and share resources
used only on mobile devices
support only one process at a time
do not support a graphical interface
cannot be installed on servers
Windows allows you to change regional settings in order to:
adapt the date, time, and language format to local standards
change the processor clock speed
optimize RAM loading
improve graphical performanceprovide support forperipheral device
Which of the following functions is related to system software?
managing access to RAM
connecting to the Internet
working with databases
processing images
creating and editing texts
Which tool in Windows is used to change the interfacelanguage?
Control Panel
Task Manager
Device Manager
Command Prompt
Resource Monitor
Which command is used to create a new folder in Windowsusing the Command Prompt?
mkdir
del
dir
shutdown
cls
How to check the regional settings in Windows?
Check the settings in the "Clock, Language, and Region"section of Settings
Use Task Manager
Enter the dir command in the command line
Use the Sound Control Panel
Check in the Device Manager application
How to change the folder icon in Windows?
Go to Settings > System
Use the rename command in the command line
Right-click on the folder, select Properties > Customize >Change Icon
Use the cd command in the command line
Apply the graphical interface
