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computers

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

what is a string

a)

a word, number, or letter encased in quotations

b)

a routine that is given some data as input and that will calculate and return an answer based on that data.

c)

one of the simplest and most widely known encryption techniques.

d)

a coding system using the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.

2.

what is the purpose of a function

a)

store data

b)

simplify code by not having to repeat the same code multiple times

c)

represents text, computer processor instructions, or any other data using a two-symbol system

d)

transfer information through multiple routers

3.

which of these is not a benefet of coding

a)

advancements in medical field

b)

community outreach

c)

making apps to help make life easier

d)

wrting with a pencil

4.

who teaches computer science 1 and 2

a)

coach tremain

b)

trem trem

c)

queenputers

d)

mr coach computers

e)

all of the above

5.

what is a computer

a)

an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program:

b)

a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work

c)

a coding system using the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device

d)

a data type and is often implemented as an array data structure of bytes(or words) that stores a sequence of elements, typically characters, using some character encoding

6.

a ceaser cipher and substitution cipher do the same thing

a)

true

b)

false

7.

a byte is 20 bits

a)

false

b)

true

8.

which of these is not a language used to code

a)

JavaScript

b)

Python

c)

Perl

d)

swiftie

9.

which of these is a form of malware

a)

computing innovation

b)

binary code

c)

keylogging

d)

bytes

10.

phishing

a)

the use of a program to record every keystroke made by a computer user in order to gain fraudulent access to passwords and other confidential information

b)

a technique that attempts to trick a user into providing personal information. That personal information can then be used to access sensitive online resources, such as bank accounts and emails

c)

a wireless access point that gives unauthorized access to secure networks.

d)

a process that reverses encryption, taking a secret message and reproducing the original plain text.