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How Computers Work

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

The main printed circuit board in a computer.

a)

CPU

b)

Motherboard

c)

RAM

d)

DOS

2.

Information or data sent to the computer for processing is known as ___.

a)

input

b)

output

c)

circuit

d)

byte

3.

CPU stands for ___.

a)

Central Programming Unit

b)

Computer Programming Unit

c)

Computer Processing Unit

d)

Central Processing Unit

4.

An electrical device that provides a path for electrical current flow is known as __.

a)

transistors

b)

circuits

c)

vacuum tubes

d)

microprocessors

5.

RAM stands for ___

a)

Random Answers Monitoring

b)

Random Access Memory

c)

Recessed Access Memory

d)

Random Action Monitoring

6.

Any information that is processed by and sent out from a computer or other electronic device is considered

a)

RAM

b)

DOS

c)

input

d)

output

7.

The primary component of a computer that processes instructions. It also runs the operating system and applications.

a)

CPU

b)

DOS

c)

software

d)

hardware

8.

How many bits are in a byte?

a)

4

b)

1

c)

8

d)

12

9.

Gordon Moore stated that the number of transistors per square inch on integrated circuits would double every year. This is known as __.

a)

Gordon's Law

b)

Moore's Law

c)

Law of Computing

d)

Gate's Law

10.

Which is not an input device?

a)

mouse

b)

headphones

c)

keyboard

d)

game controller

11.

Which is both and input and output device?

a)

printer

b)

barcode reader

c)

touchscreen

d)

speakers

12.

Which is not a piece of your desktop hardware?

a)

Microsoft word

b)

monitor

c)

keyboard

d)

CPU

13.

The smallest unit of data in a computer is known as ___.

a)

bit

b)

byte

c)

software

d)

RAM

14.

A general term used to describe a collection of computer programs.

a)

DOS

b)

software

c)

hardware

d)

CPU

15.

Binary typically uses ___.

a)

1 and 2

b)

0 and 1

c)

left arrow and right arrow

d)

A and B

16.

Anything that is physically connected to the computer or something that can be physically touched is known as __.

a)

CPU

b)

hardware

c)

software

d)

RAM

17.

What language does the computer read?

a)

Spanish

b)

English

c)

Binary

d)

RAM

18.

What numbers are used to determine the binary code?

a)

64, 12, 128, 4, 31, 2

b)

2, 1, 64, 0, 32, 6,8, 0

c)

1, 128, 64, 4, 32, 8, 16, 2

d)

18, 27, 63, 2, 8, 132, 64

19.

Put the binary base numbers in order.

a)

128, 64,32, 24, 16,8,2

b)

1, 2, 4, 8, 16, 32, 64, 128

c)

127, 63, 31, 23, 7, 3, 1, 0

d)

128, 64, 32, 16, 8, 4, 2, 1

20.

What is the correct way to write the number 17 in binary?

a)

00010001

b)

00011111

c)

00010010

d)

00000001

21.

What is the correct answer for writing the number 20

a)

00011001

b)

00010000

c)

00010100

d)

0000010

22.

Lowercase letters begin with what 3 numbers in binary?

a)

010

b)

011

c)

100

d)

000

23.

Uppercase letters begin with what 3 numbers in binary?

a)

001

b)

010

c)

011

d)

101

24.

What letter is written from the following code in binary:

01001011

a)

g

b)

k

c)

K

d)

G

25.

What letter is written from the following code in binary: 01100101

a)

e

b)

E

c)

f

d)

F

26.

Which is not part of a computer?

a)

CPU

b)

Output

c)

Input

d)

Printer

27.

The basic unit of programmable color on a computer display or in a computer image is known as

a)

loops

b)

pixels

c)

blocks

d)

primary

28.

What makes a computer a computer?

a)

input, storage, processing, and assessing

b)

output, algorithms, calculations, input

c)

input, storage, processing, and output

d)

memory, input, output, storage

29.

The rules, calculations, or other problem solving calculations of a computer is known as a ___.

a)

processing

b)

storage

c)

output

d)

algorithm

30.

Who is the principal founder of Microsoft?

a)

Ada Lovelace

b)

Bill Gates

c)

Mark Zukerberg

d)

Steve Jobs