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WorksheetsComputer Science
Total questions: 79
Worksheet time: 40mins
What are the two main components of a computer system?
In and output devices
Digital and analog
audio and visual
Hardware & Software
Which of the following describes software?
This refers to soft clothing
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to hard clothing
Which of the following are examples of hardware?
Examples of hardware are: bottle, song, bulb
Examples of hardware are: books, cup and mirror.
Examples of hardware are: pen, pencil, eraser,and ink.
Examples of hardware are speakers, monitors, printers, scanners, keyboards, and flash drives.
Which of the following are examples of software?
Examples of software are: cat, skype, ios, windows operating system, rat ,and dog
Examples of software are: WhatsApp, skype, ios, windows operating system, Microsoft Word, and Microsoft suite
Examples of hardware are: pen, pencil, eraser,and ink.
Examples of hardware are speakers, monitors, printers, scanners, keyboards, and flash drives.
What is an input device?
An input device is a piece of hardware capable of only providing data to a computer
An input device is a piece of hardware capable of only providing audio to a computer
An input device is a piece of hardware capable of only providing information to a computer
An input device is a piece of hardware capable of only providing images to a computer
What is an output device?
An output device is a piece of hardware capable of only providing data to a computer
An output is a piece of hardware capable of receiving and sending data to a computer
An output is a piece of hardware capable of only receiving data from a computer
An output device is a piece of hardware capable of only providing images to a computer
What is an Input/output device?
An input/output device is a piece of hardware capable of only providing data to a computer
An input/output is a piece of hardware capable of receiving and sending data to a computer
An input/output is a piece of hardware capable of only receiving data from a computer
An input/output device is one which is capable of providing data to a computer and receiving information from it
Which of the following are examples of input devices?
joysticks, scanners, keyboards, microphones, digital camera, and mouse
printers, monitors, speakers
webcams, a digital camera.
Pen, Pencil, Eraser, paintbrush
Which of the following are examples of output devices?
joysticks, scanners, keyboards, microphones, digital camera, and mouse
printers, monitors, speakers
webcams, a digital camera.
Pen, Pencil, Eraser, paintbrush
Which of the following are examples of input/output devices?
joysticks, scanners, keyboards, microphones, digital camera, and mouse
printers, monitors, speakers
webcams, a digital camera.
Pen, Pencil, Eraser, paintbrush
What does IDE mean?
Integrated drive electronics
Input device erasable
Integrated development environment
interactive drone electral
Which of the following describes the use of the c++ compiler?
A program that translates c++ code into a language that computers understand
This compiles data for use by a search engine
This compresses files so that they can be easily shared
This is a program that compiles c++ code for later use
Which of the following describes port connectivity?
This refers to the location where a computer charger is inserted
This refers to a physical location of connectivity
This refers to a software app used to carry out trouble shooting
Port connectivity refers to a location on a computer system for passing data into and out of that computer system
Which of the following describes speed in relation to computers?
This refers to how fast or slow a computer turns on
How fast or slow a computer can reboot
This refers to the rate at which information is transferred between a computer's CPU and an input and output device
This refers to how fast or slow an object travels
Which of the following describes quality of output?
This refers to the extent to which a particular aspect of the output of an output device meets the standard of a particular time period
This refers to the extent to which an output device performs
This refers to how modern an output output device is
This refers to the brand by which a particular aspect of the output of an output device was created
Which of the following describes specialized devices?
These are output devices with additional features not pertaining to their main function.
These are input/output devices with additional features not pertaining to their main function.
These are input devices with additional features not pertaining to their main function.
These are analog devices with additional features not pertaining to their main function.
What are the two main types of computer storage?
Temporary storage and Permanent storage
Quick storage and tedious storage
Cheap storage and expensive storage
available storage and unavailable storage
Which of the following describes computer memory?
Computer memory refers to the output device that stores data for use by a computer
Computer memory refers to the input device that stores data for use by a computer
Computer memory refers to the software device that stores data for use by a computer
Computer memory refers to the hardware device that stores data for use by a computer
Which of the following are the main types of computer memory?
Developed and underdevelped
Primary and secondary
Specialized and unspecialized
First and last
Which of the following are characteristics of temporary storage devices
data is stored until the user is able to store it to a permanent medium or until electricity is cut
data is stored permanent even if electricity is cut
data is stored automatically for the user
data is unable to be lost by the user
Which of the following describes volatile?
A device that is easy to destroy
Retaining data only as long as there is a power supply connected
Retaining data even if there is no power supply connected
A device that is user dangerous
Which of the following are additional names used to refer to RAM?
A male goat and an adult male goat
gradual access storage and minor memory
immediate access storage and main memory
volatile and data
Can the contents of RAM be altered?
Yes
No
Why is RAM referred to as "main memory"?
It is primary memory used by the CPU when processing data
It is secondary memory used by the CPU when processing data
It is the first memory of the computer
It is largest memory used by the CPU when processing data
Which of the following is a characteristic of Permanent storage devices?
These devices store data only if electricity is present
These devices store data for approximately three days
These devices store data for 30 days
These devices store data even after electricity has been cut
Which of the following is an example of temporary storage?.
PROM
RAM
EEPROM
EPROM
Which of the following is an example of Permanent storage?
quick acess
ROM
RAM
temporary in files manager
Which of the following can be used to erase EPROM?
ultra violent light
electrical pulses
the delete button
A laser
Which of the following can be used to erase EEPROM?
ultra violent light
electrical pulses
the delete button
A laser
Can prom be modified?
yes
no
Which of the following is meant by the term "BIOS"?
Brand intricate outsource system
Briefly interactive output system
Basic input-output system
Build inititive outter system
Which of the following is meant by the term ROM?
read only memory
review out mandate
recent option manuver
real obstruct mapper
Which of the following is meant by the term PROM?
previously read only memory
preferably review out mandate
Programmable read-only memory
professional real obstruct mapper
Which of the following is meant by the term EEPROM?
electrically elaborate previously read only memory
Electrically estabalished
preferably review out mandate
Electrically Erasable Programmable read-only memory
electrically extra professional real obstruct mapper
Which of the following is meant by the term EPROM?
elaborate previously read only memory
estabalished
preferably review out mandate
Erasable Programmable read-only memory
extra professional real obstruct mapper
What is Computer Architecture?
Computer Architecture refers to the structure of all or part of a computer system and the details needed to make it functional
The aesthetics of a computer
Computer Architecture refers to the structure of a computer system and its ability to play music
Computer Architecture refers to the shape of a computer system and its weight
Primary storage is?
Temporary
Permanent
Secondary storage is?
Temporary
Permanent
What is a Pseudocode?
Pseudocode refers to the structure of all or part of a computer system and the details needed to make it functional
Retaining data only as long as there is a power supply connected
Pseudocode refers to the hardware device that stores data for use by a computer
Pseudocode is an imitation computer program usually written using mathematical notations and English-like statements
What is an alternative name for "procedure" in pseudocode?
Process
Function
State
RAM
Which of the following are parts of the pseudocode algorithm?
Input statements, assignment statements, output statements, and control statements
This refers to the intangible equipment required for the functioning of the computer system
A program that translates c++ code into a language that computers understand
Primary and Secondary
Which of the following describes the function of an "input statement"?
It is used to store or change data in a variable
Allows input of data for a program
Allows output from a program
These are used to control the amount of time/s a statement or sequence of statements are carried out based on some condition
Which of the following describes the function of an "Assignment statement"?
It is used to store or change data in a variable
Allows input of data for a program
Allows output from a program
These are used to control the amount of time/s a statement or sequence of statements are carried out based on some condition
Which of the following describes the function of an "Output statement"?
It is used to store or change data in a variable
Allows input of data for a program
Allows output from a program
These are used to control the amount of time/s a statement or sequence of statements are carried out based on some condition
Which of the following describes the function of a "Control statement"?
It is used to store or change data in a variable
Allows input of data for a program
Allows output from a program
These are used to control the amount of time/s a statement or sequence of statements are carried out based on some condition
Which of the following describes "variable"?
A variable is a name invented by a programmer for a data item
A variable is a data storage location that does not change content or value during the execution of the program
A variable is a named storage location in memory
Which of the following describes "constant"?
A constant is a name invented by a programmer for a data item
A constant is a data storage location that does not change content or value during the execution of the program
A constant is a named storage location in memory
Which of the following describes "identifier"?
An identifier is a name invented by a programmer for a data item
An identifier is a data storage location that does not change content or value during the execution of the program
An indentifier is a named storage location in memory
Which of the following is meant by the term GUI?
Graphical User Interface
Great ultra instinct
Grand unfinished illustration
Get under illonoi
Which of the following is meant by the term ALU?
Abstract lump sum universe
Average local ultimate
Are links updated
Arithmetic and Logic unit
Which of the following describes flow charts?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
Computer memory refers to the hardware device that stores data for use by a computer
Which of the following describes a "loop"?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
This refers to a representation of instructions to the computer to repeat a process several times
Which of the following describes an "accumulator"?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a register used to contain the results of an arithmetical or logical operation
This refers to the software device that stores data for use by a computer
This refers to a representation of instructions to the computer to repeat a process several times
Which of the following describes a "counter"?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a register used to contain the results of an arithmetical or logical operation
This refers to a program instruction that can be set up to count the number of times a value is encountered or a statement is carried out
This refers to a representation of instructions to the computer to repeat a process several times
Which of the following are the four major elements of a loop?
Input devices, output devices, digital and analog
audio, visual, Hardware & Software
Initialization, Repetitive Statements, Statements are written within blocks and conclusion
Which of the following describes microprocessors?
this refers to the part of a computer that executes instructions and processes program data
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to hard clothing
Which of the following describes system?
this refers to the part of a computer that executes instructions and processes program data
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to a set of things working together as part of a whole
Which of the following describes circuit?
this refers to the part of a computer that executes instructions and processes program data
This refers to the physical equipment required for the functioning of the computer system
This refers to a physical path, consisting of one or more wires (or wireless paths) and possibly intermediate switching points
This refers to a set of things working together as part of a whole
Which of the following describes network?
this refers to the part of a computer that executes instructions and processes program data
This refers to the arrangement of circuits
This refers to a physical path, consisting of one or more wires (or wireless paths) and possibly intermediate switching points
This refers to a set of things working together as part of a whole
Which of the following describes system software?
this refers to the part of a computer that executes instructions and processes program data
This refers to the arrangement of circuits
This refers to the interface between the hardware and user applications.
This refers to a set of things working together as part of a whole
Which of the following describes the system interface?
this refers to the device or program enabling a user to communicate with a computer.
This refers to the arrangement of circuits
This refers to the interface between the hardware and user applications.
This refers to a set of things working together as part of a whole
Which of the following describes the use of ROM?
A program that translates c++ code into a language that computers understand
This compiles data for use by a search engine
This compresses files so that they can be easily shared
This is used to store items that the computer needs to execute when it is first turned on
How many letters can be held in a 50 character string?
49
51
50
48
What is the difference between a C-style string and a string-literal?
C-style strings (arrays)cannot be modified whereas u can modify string- literals
string- literals cannot be modified whereas u can modify C-style strings (arrays)
Which of the following describes strings?
This refers to an array of characters
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
Computer memory refers to the hardware device that stores data for use by a computer
C-style strings are always terminated with a?
'/0' character with a value of 0
'/n' newline
What index number do arrays begin at?
1
0
Which of the following describes the term "buffer overflow"?
this refers to the part of a computer that executes instructions and processes program data
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to when the user inputs a string that is longer than the size of the string that the program allows
Which of the following functions can be used to solve the problem of buffer overloads?
char
fgets
reversesentence
scanf()
Which of the following describes the term "memory tiering"?
this refers to using expensive memory in small quantities and then backing it up with larger quantities of less expensive memory
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to when the user inputs a string that is longer than the size of the string that the program allows
Which of the following is the cheapest form of read/write memory?
ROM
CPU
Hard disk
Floppy disk
Which of the following describes "Cache"?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
This refers to a software technology based on the memory subsystem of your computer which allows you to do computer tasks more rapidly
Which of the following describes "Subsystem"?
This refers to soft clothing
This refers to the physical equipment required for the functioning of the computer system
This refers to the intangible equipment required for the functioning of the computer system
This refers to a unit or device that is part of a larger system
Which of the following describes the term "logic gate"?
this refers to using expensive memory in small quantities and then backing it up with larger quantities of less expensive memory
This refers to the physical equipment required for the functioning of the computer system
These are electronic circuits that operate one or more inputs to produce one output
This refers to when the user inputs a string that is longer than the size of the string that the program allows
Which of the following describes "Bus width"?
This refers to diagrams that arrange the components of a problem in a logical sequence, which helps to avoid logical errors
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
This refers to the number of bits that can be sent to the CPU simultaneously
Which of the following describes "Bus speed"?
This refers to the number of times a group of bits can be sent each second
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the software device that stores data for use by a computer
This refers to the number of bits that can be sent to the CPU simultaneously
Which of the following describes "Clock speed"?
This refers to the number of times a group of bits can be sent each second
This refers to a data storage location that does not change content or value during the execution of the program
This refers to the speed at which a computer performs basic operations
This refers to the number of bits that can be sent to the CPU simultaneously
Which of the following describes "computer organization"?
This refers to the number of times a group of bits can be sent each second
This refers to how a computer carries out its functions
This refers to the speed at which a computer performs basic operations
This refers to the number of bits that can be sent to the CPU simultaneously
Which of the following describes "instruction/machine cycle"?
This refers to the number of times a group of bits can be sent each second
This refers to how a computer carries out its functions
This refers to the speed at which a computer performs basic operations
This refers to the continuous execution of the four main functions of the CPU
