Font size
WorksheetsChapter 2 Review
Total questions: 25
Worksheet time: 14mins
Is this a supercomputer?
Yes
No
Yes
No
Which of the following is a type of input device?
Touchscreen
Hard drive
Monitor
Speakers
Which of the following is data temporarily stored on?
Printed Page
Memory Chips
Keyboard
Hard Drive
Which invention allowed computers to become smaller in size?
Silicon
Laptops
Transistors
Vacuum tubes
(a) made it possible to have an entire computer on a single circuit board.
Which of the following played vital roles in the advancement of national defense, science, and social change?
Smartphones
Microchip
Supercomputers
Hollerith's Tabulating Machine
Which of the following lists the basic computing and processing steps in order?
Input, processing, output, and storage
Input/output, processing, and storage
Input, retrieval, output, and storage
Input, retrieval, processing, and storage
A user has entered a search string into an application and clicked on the search icon. Which of the following is the NEXT step in the computing process?
Output
Storage
Input
Processing
Byte
The smallest unit of digital information. Each individual one and zero in a binary sequence is a bit.
is equal to 1,000 bytes.
is equal to 1,000 gigabytes.
Eight bits together form a byte. The value of a single byte can range from 0 (eight 0s) to 255 (eight 1s).
Which of the following is the correct binary representation of the number 22?
10110
10111
11000
10101
An example of a MAC address is 00-B0-D0-63-C2-26.
Which of the following notational systems is MOST likely used to represent a MAC address?
Hexadecimal
Decimal
Octal
Binary
Given the numerical value 1010101.71, which of the following number systems is MOST likely represented?
Decimal
Hexadecimal
Binary
Octal
Which single digit has the highest value in the hexadecimal number system?
9
0
F
G
H
How many bits are in a single byte?
4
8
12
16
Which is correct from smallest to largest.
Kilobyte, Megabyte, Gigabyte, Terabyte
Terabyte, Gigabyte, Megabyte, Kilobyte
Gigabyte, Gigabyte, Gigabyte, Gigabyte
Megabyte, Terabyte, Kilobyte, Gigabyte
A consumer wants to add a hard drive to their computer to store video from their camera. Which of the following is the storage capacity of a modern hard disk drive (HDD) purchased from a computer store?
4 gigabytes
3 terabytes
8 megabytes
3 trilobytes
Which of the following transfer rates is the FASTEST?
181 Mbps
1,480 Mbps
1.24 Gbps
1,282 Kbps
Digital sound recordings capture sound waves and divide them into distinct segments. Each segment is assigned a value. What is that value called?
Bit depth
Sampling rate
Sample height
Resolution
How many possible values would an 8-bit audio sample have?
256,000
256
12
99
Which of the following makes videos appear smoother and more fluid?
Lower frame rate
Lower resolution
Higher resolution
Higher frame rate
Which of the following is a lossless compression algorithm?
MP4
PNG
Run-length encoding
Compression artifact
(a) are pixels that are the exact same between multiple frames
Which kind of file would be hurt most by a lossy compression algorithm?
An audio file containing music
A digital photograph
A text document
An audio file containing speech
A typical computer monitor is which type of display?
Vector
White
RGB
Raster
Which type of digital picture is made by storing individual pixel values?
Raster
Vector
Pixel map
High-res
