System development

Question 1

What is a date type?

Answer 1

A method of storing data in an appropriate way in the right format.

Question 2

What is integer?

Answer 2

A positive or negative whole number that can be used mathematically.

Question 3

What is real?

Answer 3

A positive or negative decimal number that can be used mathematically.

Question 4

What is character?

Answer 4

A single character between quotes that takes up a single unit of storage. Like “A”

Question 5

What is string?

Answer 5

A series of Alpha numeric characters that include letters symbols and numbers.

That cannot be used mathematically

Question 6

What is Boolean?

Answer 6

Yes/no

Question 7

What is the date and time?

Answer 7

Stand and date formats.
09/11/67

Question 8

What are the two errors in programs?

Answer 8

Syntax and logic.

Question 9

What is syntax error?

Answer 9

A syntax error is not using the correct python words which will cause the program to stop working.

Question 10

What is a logic error?

Answer 10

Logic error is when the program will work, but will do something it should not do.

Question 11

Why do programs have to be tested?

Answer 11

To make sure all acceptable values are accepted, and all unacceptable values are rejected.

Question 12

What is normal data?

Answer 12

Data the program should accept.

Question 13

What is abnormal data?

Answer 13

Data that the program should reject as values are not suitable.

Question 14

What is extreme data?

Answer 14

Data that falls at the boundary of the range of acceptable data.

Question 15

What is low level language in computing?

Answer 15

It is language, understood by computers using zeros and ones.

Question 16

What is high-level language in computing?

Answer 16

It is language used by humans to code.

Question 17

What is a translator?

Answer 17

A translator is a computer program that translates a program written in a programming language into a machine code, so that it can be directly used by computer to perform a task.

Question 18

Characteristics of compliers

Answer 18

Complied programs are used without the complier

It will not run if it finds an error

A complied program runs faster than an interpreted program

Question 19

What are characteristics of interpreters?

Answer 19

Interpreted programs cannot be used without the interpreter

It will run until it finds an error

Less storage spaces needed to run the program

Question 20

What is an operating system?

Answer 20

It controls the operation of computer systems and provides an environment to run the software.

Like iOS

Question 21

What is a utility program?

Answer 21

Small specific programs used to help configure check and maintain the computer

Like an antivirus

Question 22

What is device drivers?

Answer 22

Special kind of software that controls any attached device

Like printer driver

Question 23

What is this repair and analysis?

Answer 23

It checks a hard disk for errors, and if errors are found at attempts to fix them.

Question 24

What is disc cleanup?

Answer 24

Are utility program that allows you to remove unused files from your hard disk to make more space.

Question 25

What is a disc defragmenter?

Answer 25

It takes all the file segments and rearranges them so that they are stored in consecutive location on the hard disk. This makes the computer faster. 

Question 26

What is security software?

Answer 26

Software that help protect the computer system against threats

Like an antivirus

Question 27

What are backup of files?

Answer 27

The utility create a copy of data in case the original one gets lost.

Question 28

What is file managers?

Answer 28

It provides functionality such as copy paste, cut, create, etc.

Question 29

What is system update?

Answer 29

Automatic downloads updates to an OS and install them without user interaction.