WinAspire
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Question 1
Fill in the blank: ___ is the use of digital technology like computers and the internet to store and process data into useful information.
A. Information technology
B. Technical support
C. Computer engineering
D. Computer hardware
Question 2
What is a computer? Select the best answer.
A. A device that uses bits to display information to a user.
B. A device that stores and processes data by performing calculations.
C. A machine can connect to the internet.
D. A machine that can store and display images and graphics.
Question 3
Which of these devices can be used to control electricity voltages in computers? Select all that apply.
A. CD-Roms
B. Transistors
C. Vacuum tubes
D. Computer chips
Question 4
Fill in the blank: One byte can store ___ possible characters.
A. 2560
B. 8
C. 100
D. 256
Question 5
Fill in the blank: ____ is the oldest character encoding standard and it uses 127 of the 256 possible bytes.
A. ASCII
B. RGB
C. Character encoding
D. UTF-8
Question 6
Fill in the blank: In a binary system, an electrical signal indicates a value of ___.
A. 10
B. 0
C. 1
D. 2
Question 7
Use the following binary conversion table to convert the decimal value 142 into binary format.
A. 10001110
B. 01100110
C. 10011100
D. 10001010
Question 8
Use the following binary conversion table to convert the byte 10111001 into a decimal value.
A. 159
B. 214
C. 188
D. 185
Question 9
Use the following binary conversion table to convert the byte 00011001 into a decimal value.
A. 24
B. 18
C. 28
D. 25
Question 10
Why is abstraction helpful when working with computers?
A. Abstraction takes a relatively complex system and breaks it apart into simpler ideas to make it easier to think about.
B. Abstraction takes a simple system and describes it in detail.
C. Abstraction takes a relatively complex system and describes each part of the system in detail to improve your understanding.
D. Abstraction explains each concept that’s “under the hood.”