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Computer Science Basics Quiz 1 Period 1

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Fetches instructions from memory and executes them.

a)

Central Processing Unit (CPU)

b)

Mouse

c)

Computer Hardware

d)

Programming language

2.

A global network of billions of computers and other electronic devices.

a)

Software

b)

Internet

c)

Algorithm

d)

Printer

3.

Is credited with popularizing the term "debugging" for fixing computer glitches.

a)

Charles Babbage

b)

Admiral Grace Murray Hopper

c)

Ada Lovelace

d)

Joseph Clement

4.

A collection of different websites that you can access through the Internet.

a)

HTML and CSS

b)

Internet

c)

Network

d)

World Wide Web

5.

A program that tells hardware what to do and how to do it.

a)

Programming languages

b)

Software

c)

HTML and CSS

d)

Algorithms

6.

These are examples of input devices.

a)

True

b)

False

7.

An algorithm is a set or series of steps used to complete a specific task.

a)

True

b)

False

8.

Is this an input or output device?

a)

Input

b)

Output

9.

Computers use the ____________________number system to store data and perform calculations.

a)

binary

b)

decimal

c)

hexadecimal

d)

octal

10.

__________________ make up the code that powers much of our technology

a)

Programming languages

b)

Internet

c)

HTML

d)

Algorithms

11.

The __________________________ is sometimes referred to as a computer's brain, and it performs the calculations needed by a computer system.

a)

Central Processing Unit (CPU)

b)

Motherboard

c)

Optical Drive

d)

Operating system

12.

The ________________ is a printed circuit board that connects all of the computer components and lets them communicate.

a)

motherboard

b)

power supply

c)

video card

d)

central processing unit

13.

Makes measurements with lights and sensors. The sensor sends signals to the computer, telling it where to move the pointer on the computer screen.

a)

optical mouse

b)

pointer

c)

touchpad

d)

trackpad

14.

Are languages used to create the structure and appearance of almost every website. (Choose 2)

a)

JAVA

b)

CSS

c)

HTML

d)

C++

15.

An ____________________ can be used to listen to music, watch movies or install hardware.

a)

optical drive

b)

hard drive

c)

CD/DVD

d)

SSD Drive

16.

A _________________ is dedicated to outputting images to a display.

a)

monitor

b)

CPU

c)

video card

d)

software

17.

Software is any element of a computer that's physical.

a)

True

b)

False

18.

_____________________ designed the first computer.

a)

Charles Babbage

b)

Ada Lovelace

c)

Admiral Grace Murray Hopper

d)

Joseph Clement

19.

Is random access memory (RAM) long-term or short term memory?

a)

long-term

b)

short-term

20.

The binary number system is used by computers and has only two numbers, ______________ .

a)

0 and 1

b)

0 and 9

c)

1 and 2

d)

1 and 10