CIS 150: Test 1

Hardware

Computer equipment

What is an example of hardware?

Keyboard

Software

Software

What is an example of software?

Application system programs

Data

Raw facts suitable for processing

What are some examples of data?

Date of birth or marital status

Data can be a _____ ______ or can have multiple ____

Fixed variable; options

Information

Data that has been processed

Data goes ____, information comes ____

In; out

OS stand for what?

Operating System

Operating System

A large complex series of programs that allows a computer to supervise its own operation

What are some examples of OS’s?

Windows10, macOS, Linux, UNIX, Android, iOS, and ChromeOS

Desktop

Initial screen in a Windows environment

Icon

Pictures usually on the desktop that shows a task to be performed

(BONUS) i.e. means what?

Id est; in other words

(BONUS) e.g. means what?

Exempli gratia; for example

(BONUS) Between you and me is correct why?

“Me” is an object of the pronoun, in this case me is the object of the preposition between

Acronym

A word made up from parts of other words

biT

(Binary digit) {0,1}; smallest unit for storing data on a computer

A biT is the difference between what?

Charged and not charged

Byte

8 consecutive biTs or 1 character

What is an uppercase A read as on a computer according to ASCII?

65

What is an uppercase B read as on a computer according to ASCII?

66

What is a lowercase a read as on a computer according to ASCII?

97

What is a * (Space) read as on a computer according to ASCII?

32

What is a 0 read as on a computer according to ASCII?

48

ASCII

(American Standard Code for Information Interchange) the 8 biT code used to store numbers, letters, and special characters on a computer; morris code for computers

Algorithm

A number of steps used to solve a problem

Ergonomics

Study of work

What does ergo- mean?

(Greek) Work

(K) Kilo

2¹⁰ (1024)

(M) Mega

2²⁰ (1 million)

(G) Giga

2³⁰ (1 billion)

(T) Tera

2⁴⁰ (1 trillion)

Millisecond

10^-3 sec

Microsecond

10^-6 sec

Nanosecond

10^-9 sec

Picosecond

10^-12 sec

Bandwidth

Maximum rate of data transfer

Barcodes

Verticals marks of bars on packages used to denote items (not price)

How many types of barcodes are there?

4

What is the first type of barcodes?

UPC (Universal Product Code) 12 digit code

What is the second type of barcodes?

ISBN (International Standard Book Number) 10 or 13 digit book code

What is the third type of barcodes?

QR Code (Quick Response Code) 2 dimensional

What is the fourth type of barcodes?

RFID (Radio Frequency Identification) Uses radio waves

What is the difference between RFID and the other three types of barcodes?

RFID does not have to be scanned to be seen whereas the rest need to be scanned to be read

POS Terminal

Combination cash register and computer terminal (Barcode + POSS)

What information does POS terminals keep?

Keeps inventory, types of payment, type of item, and its price