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WorksheetsComputer System review
Total questions: 82
Worksheet time: 41mins
The 2 types of Software are:
Operating System
System
Business
Application
You should use disk defrag software on...
HDDs (Hard Disk Drives).
SSDs (Solid State Drives).
RAM (Random Access Memory).
Who invented the internet?
Steve Jobs
Bill Gates
Ben Bentley
Tim Berners Lee
What is fragmentation?
The storing of a file in several separate areas of memory scattered throughout a hard disk.
A process that reduces the amount of fragmentation.
Software was originally developed to detect and remove computer viruses.
A large-scale DoS attack where the perpetrator uses more than one unique IP address
When we start an application, the CPU loads the application from _________________ ,
the CPU to the RAM
the RAM to the hard disk
the memory to the storage
the storage to the memory
Which software allows you to view web pages?
Web Authoring
Presentation
Browser
Video Editing
Causes a display devices's screen to show a moving image or blank screen if no activity occurs for a specified time
disk defragmenter
personal firewall
screen saver
media player
What is operating system?
computer software designed to provide a platform to other software.
software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.
s an operating system that runs from a hard disk drive.
software within an operating system that controls capacity allocation for storage arrays.
What is application software?
computer software designed to provide a platform to other software.
software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.
is an operating system that runs from a hard disk drive.
software within an operating system (OS) that controls capacity allocation for storage arrays.
What are examples of Graphical User Interface?
Windows
Icons
Menus and Pointers
All of the above
What is open-source software?
a type of computer software in which source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.
also known as "closed-source software" - a non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights
computer software designed to provide a platform to other software.
is an operating system that runs from a hard disk drive.
What is proprietary software?
a type of computer software in which source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.
also known as "closed-source software" - a non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights
computer software designed to provide a platform to other software.
is an operating system that runs from a hard disk drive.
Select all the main categories of computer software ...
Applications
Utilities
Systems
Programming
An operating system can be seen as an abstraction of a computer's hardware and software system.
Which is the BEST definition of abstraction?
Taking a large complex problem and breaking down into several smaller simpler components
A sequence of clearly defined steps that if followed accurately produce a guaranteed result
The process of removing the dependency of a concept from a real-world object
Hiding the complexity of a system by only exposing the relevant features to the user
Choose all the main functions of a computer's operating system ...
Memory management
Input/Output control
Resource management
Web browsing
Which is one of the main tasks of an OS, which involves allocating bursts of CPU time to running processes?
Scheduling
Resourcing
Timetabling
Planning
All modern OSs allow multi-tasking. Choose the correct meaning of multi-tasking.
When several processes can be run concurrently
When several task bars can be shown on desktop
When a user can have several documents open at the same time
When the processor forms a queue of processes waiting to be run
The process of proving to a computer that you actually are who you claim to be as a user?
Authentication
Verification
Validation
Clearing
The job of a process scheduling algorithm in an operating system is to manage the allocation of which computing resource?
CPU
RAM
Disk space
User access
Storage device that stores digitally encoded data on rapidly rotating rigid disks with magnetic surfaces. The device is either permanently installed within the computer case or can be portable
Hard Drive
Input
Byte
8 bits equals
1 terabyte
2 gigabites
a Byte
Blu-ray is
something anyone can operate
the process of lading the operating system into temporary memory
hardware components that allow the user to data, commands, and responses into a computer
A type of high- capacity DVD that is commonly used for high definition video.
Which is true about the statement...Starting up a computer from a halted or powered down condition is called
logging on to word online
creating a PowerPoint
Shutting down you computer
Boot Process
Which choice best describe CDs and DVDs?
database
boot process
optical discs
output devices
Device that projects images, gives sound, and basically gives out the info from the computer so the user can obtain it (ex: monitor, printer, projector, speakers).
Byte
Output
GUI
Input
A type of DVD that canbe used for recording erasing, and recording again.
DVD-RW
Blu-ray
DVD-ROM
DVD-R
True of False: Central Processing Unit (CPU)- a type of application software used to create, edit, format, and print documents.
True
False
A light-sensitive stylus wired to a video terminal used to draw pictures or select menu options.
Scanner
Touch Screen
Light Pen
Digitizer Tablet
A graphics drawing tablet used for sketching new images or tracing old ones. Also called a "graphics tablet," the user contacts the surface of the device with a wired or wireless pen or puck.
Bar code reader
Microphone
Scanner
Digitizer Tablet
A device that can read text or illustrations printed on paper and translates the information into a form the computer can use.
Scanning Devices
Voice-Input Devices
Pointing Devices
Direct Entry
A form of input that does not require data to be keyed by someone sitting at a keyboard.
Direct Entry
Keyboard Entry
Both Direct and Keyboard Entry
None of the two
OMR is
Optical Mark Reader
Optical Magnetic Reader
Optical maximum Reader
Optical metal Reader
MICR is used to read marks written in pen or pencil
correct
wrong
An input device that is used to control a pointer or a cursor on a screen.
Pointer
Mouse
Display
Cables
A process where scanned marks on a page are automatically converted to inputs.
OCR
OMR
CAD
AVR
A device used to select commands for people with restricted arm movements
Mouse
Tracker ball
Joystick
Driving wheel
An input device which the user can use to type in numbers into a computer.
QWERTY keyboard
Concept keyboard
Ergonomic keyboard
Numeric keypad
A mouse,touch-pad, and a trackball are all examples of:
Scanning Device
Voice-Input Devices
Pointing Device
Output Device
Used to enter information on papers into a computer
Printer
Scanner
QWERTY keyboard
Touchpad
Data that has been processed into useful form called information
Input
Output
ALU
CPU
Data represented as either yes/no or true/false is called...
Digital
Analog
Input
Output
Data that ranges on a continuous scale is called...
Analog
Sensor
Digital
Output
Drawbacks of a trackball
May take some getting used to
Can only be used on CAD software
Really heavy
Requires space to operate
Benefits of a microphone
Allows disabled users to give instructions to a computer
Enables the use speech recognition software
Allows voice calls and the audio in video calls
Makes your voice louder so more people can hear it
Mr. Esker wanted to see how the class did as a whole on the most recent test. Using spreadsheets he used the ______________ function to calculate the classes score as a whole.
Sum
Average
Count
Max
Min
Betty has a spreadsheet of sales for her bakery for a month. In one column she lists the amount of donuts sold each day. If she wanted to find out what day she sold the LEAST amount of donuts she would use the _________________ function.
Sum
Average
Count
Max
Min
Mr. Esker is looking over his quiz data again in his spreadsheet. He wanted to know how many students received an 80% on his latest quiz. In his spreadsheet he would use the ___________________ function.
Sum
Average
Count
Max
Min
How do you select multiple rows in a worksheet?
By selecting the rows while the Shift or Control key is pressed.
You cannot select multiple rows.
By selecting rows while the Enter button is pressed.
By selecting rows while the Esc button is pressed.
