The arithmetic logic unit

carries out the mathematical and logical operations

Turning off the computer clears the content

Which statement describes the fetch-decode-execute cycle?

Instructions are brought up from memory, analyzed, acted on

Why did DaJuan's computer have multiple cores (quad core processor).

It can process more data at one time

A robot vacuum cleaner that you can set to run from an app is

an example of the Internet of Things

Why were early computers so much bigger than what we have now?

Computers had to be built with vacuum tubes

What are the two components of the CPU?

control unit and arithmetic logic unit

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PT1A Unit 1 Quiz Review

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Principles of Technology Unit 1 Review

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Questions 20

Answers

1
The arithmetic logic unit
computes the fetch-decode-execute cycle
carries out the mathematical and logical operations
connects the computer to a network
connects the mouse and keyboard
2
Random Access Memory
Holds the BIOS
Keeps the content when the computer is off
Turning off the computer clears the content
Contains the boot up instructions
3
A billion transistors can fit on a fingernail.
False
True
4
What is an example of an output?
Adding an app
Using a mouse
Dialing a phone number
The phone ringing
5
It is okay to leave your laptop in the car during the summer.
False
True
6
Why is a SmartPhone part of the Internet of Things?
It is connected to a network
You can use it as a flashlight
It fits in a pocket
It has different ringtones
7
Which statement describes the fetch-decode-execute cycle?
Instructions are acted on, analyzed, brought up from memory
Instructions are analyzed, acted on, brought up from memory
Instructions are brought up from memory, analyzed, acted on
Instructions are analyzed, brought up from memory, acted on
8
Why did DaJuan's computer have multiple cores (quad core processor).
It can process more data at one time
He can attach more peripherals
It looks cool
Four is a lucky number
9
An example of a wired connection is
Ethernet cable
Bluetooth
Radio Frequency
NFC (Near Field Communication)
10
The control unit in a CPU acts like a
security guard
traffic light
thermometer
parent
11
The first step in the troubleshooting methodology is to
Document your findings
Establish a plan of action
Test the Theory
Identify the Problem
12
A robot vacuum cleaner that you can set to run from an app is
a wireless connection
something we all would like to have
an example of AI
an example of the Internet of Things
13
Why were early computers so much bigger than what we have now?
Computers had to be built with vacuum tubes
There were phones inside the computer
Too many wires were needed to connect to the internet.
People needed large screens
14
What tells you the number of instructions a computer executes per second?
binary code
processor rating
clock speed
fetch-decode-execute
15
What are the two components of the CPU?
input and output
binary control unit
control unit and arithmetic logic unit
arithmetic and logic
16
What is an example of an input?
The phone ringing
A YouTube video playing
The microwave beeping when popcorn is ready
A fingerprint sensor
17
A printer is an example of a peripheral device
True
False
18
The basic function of a computer is to store information.
False
True
19
An example of a wireless connection is
Ethernet
USB
Firewire
Bluetooth
20
Which part is the "brains" of a computer
CPU
BIOS
RISC
ARM

PT1A Unit 1 Quiz Review Flashcards | StudBud