wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Analog and Digital

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

This is a signal that fluctuates exactly like the original stimulus.

a)

Analog

b)

Digital

c)

High Definition

d)

Binary

2.

This is a signal where the data is represented by binary digits.

a)

DIgital

b)

Analog

c)

NTSC

d)

CRT

3.

This is a number system with the base of 2.

a)

Binary

b)

Analog

c)

Linear

d)

Progressive

4.

These are tiny light-sensitive elements that light up when hit by the beam.

a)

Pixels

b)

Electrons

c)

Frames

d)

Fields

5.

In this scanning system, the beam scans all of the odd-numbered lines first, then jumps back to the top of the screen to scan all of the even- numbered lines.

a)

Interlaced

b)

Proegressive

c)

Linear

d)

Nonlinear

6.

This is one set of either odd-numbered or even-numbered lines.

a)

Field

b)

Frame

c)

Generation

d)

System

7.

This is a combination of odd-numbered lines and even-numbered lines; or one complete scan of all lines.

a)

Frame

b)

Field

c)

Generation

d)

Digit

8.

In this scanning system, the electron beam scans each line in order from the top of the screen to the bottom.

a)

Progressive

b)

Interlaced

c)

Digital

d)

Analog

9.

Which of these is not one of the three colors of television?

a)

Red

b)

Green

c)

Blue

d)

Yellow

10.

These are unwanted signals in video.

a)

Noise

b)

Pixels

c)

Electrons

d)

Flares

11.

The transfer of files that are sent in data packets. Because these packets are transferred out of order, the file cannot be seen or heard until the process is complete.

a)

Downloading

b)

Streaming

c)

Scanning

d)

Compressing

12.

A way of transferring files as a continuous data flow that can be listened to or watched while the delivery is in process.

a)

Streaming

b)

Downloading

c)

Scanning

d)

Downlinking

13.

Reducing the amount of data to be stored or transmitted by using coding schemes that pack all original data into less space or by throwing away some of the least important data.

a)

Compression

b)

Crushing

c)

Crashing

d)

Crossing

14.

The compression standard for still images.

a)

JPEG

b)

MPEG

c)

PNG

d)

Bitmap

15.

The width-to-height proportions of the television screen.

a)

Aspect Ratio

b)

Inspect Ratio

c)

Progressive

d)

Interlaced

16.

The lines we actually see on the screen.

a)

Active

b)

Live

c)

Scanned

d)

Pixels

17.

The “highway” that runs to your television or computer for the purpose of transmitting data.

a)

Bandwidth

b)

FireWire

c)

Coaxial

d)

Triaxial

18.

The process where the beam turns itself off during horizontal retrace or vertical retrace so that it does not light up any pixels while it is repositioned.

a)

Blanking

b)

Blinking

c)

Blinding

d)

Tripping

19.

Which of these is not one of the steps of digitization?

a)

Anti-aliasing

b)

Coding

c)

Quantizing

d)

Compression

20.

Which of these is not a digital television standard?

a)

480p

b)

720p

c)

1080i

d)

720i