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WorksheetsComputer Science: Unit 1 Test
Total questions: 20
Worksheet time: 11mins
Who is known as the Father of Computers
Charles Babbage
Steve Jobs
Kanye West
Ada Lovelace
The first known computer was
the abacus
people
ENIAC
Difference Engine
Physical components of the computer are
software
storage
hardware
input devices
Monitor, keyboard, printer, mouse, hard drive are all examples of
software
hardware
input devices
network devices
Programs that run the computer are
software
hardware
malware
storage
Which of the following are examples of software EXCEPT
Microsoft Windows
Google Chrome
Hard Drive
Mac OS Systems
Output devices do all of the following EXCEPT
Makes physical information digital
Display information
Give audio signals
Transform digital information into physical information
Input devices
displays information
gives audio signals
allow you to turn physical data into digital data
using a 3D printer to make an image
Mouse, keyboards, digital cameras, and scanners are examples of
output devices
network devices
storage devices
input devices
the memory the computer uses for its normal activities is called
SCAM
RAM
USB
Floppy Disk
How do computers communicate with other computers
Storage
Hardware
Network devices
Input
Which of the following statements is something the operating system of a computer is responsible for doing?
Managing memory allocation for all applications.
Providing a way for the user to create text documents.
Allowing the user to access the internet.
Allowing the user to write programs
What is data abstraction?
Manipulating data to create something new
Storing data in as little space as possible
The process of simplifying complicated data into manageable chunks
Filtering data to gain new knowledge
Which of the following are examples of encoding information?
Representing fast food meals as numbers on the menu. For example a number 1 represents a hamburger.
Assigning a numeric value to every area of a region, for example zip codes in the United States
Assigning a number to every character of the alphabet so we can represent sentences as series of simple digits.
All of the above
Computers encode information with two numbers called
Binary Number System
Data Abstraction System
Double Digit System
Two by Two
A unit of data that is eight binary digits long. Often used to represent a character such as a letter, number, space
bit
byte
binary
digit
A numbering scheme in which there are only two possible values for each digit: 0 and 1.
binary
digit
byte
bit
In the binary system, the digit 1 represents
ON
OFF
In the binary system, the digit 0 represents
ON
OFF
The name of this course is called
Computer Programming
Coding
Binary Class
Physical Science
