Shared Flashcard Set

Details

1 - Computer Forensics || Week 3
1 - Computer Forensics || Week 3
25
Computer Science
Undergraduate 1
09/04/2018

Additional Computer Science Flashcards

 


 

Cards

Term
Each 0 or 1 in binary format is a what?
Definition
Bit
Term
Bits are organized into groups of 8, called what?
Definition
Bytes
Term
What are the 10 symbols in the decimal number system?
Definition
#'s 0 to 9.
Term
What Is A Decimal Number?
Definition
A number made up of decimal symbols, in which the right most symbol is multiplied by one.

The next symbol to the left is multiplied by 1*10, the next is multiplied by 1*10*10, with each one to the left being multiplied by an additional 10.
Term
What are the 16 symbols of Hexadecimal?
Definition
0 to 9 and A to F
Term
Each column starting from the rightmost column and moving left in Hexadecimal has a decimal value that is what?
Definition
16 times as much as the previous column.
Term
What is the prefix for a hexadecimal number?
Definition
0x
Term
Each column starting from the rightmost column and moving left in Binary has a decimal value that is what?
Definition
2 times as much as the previous column.
Term
How To Convert Binary To Hexadecimal?
Definition
1.) Cut The Binary Into Bytes (Groups Of 4)
2.) Each Byte Is Equal To A Hexadecimal Value
Term
A Byte Can Only Hold How Many Values?
Definition
256
Term
How Do You Hold More Than 256 Values?
Definition
Group Together Bytes Into A Multiple Byte Value
Term
A Multiple Byte Address Of X - Y, will have columns ordered in what way from left to right?
Definition
X-1 ......Y+1
Term
In A Multiple Byte Address, The First Column And Last Column Are Occupied By What?
Definition
00
Term
When You Convert A Hexadecimal Value Into A Multiple Byte Address What Do You Do?
Definition
Break the Hexadecimal Value Into Sets Of Two Digits and then place each set into a column, with order depending on whether or not it is Little Endian or Big Endian.
Term
Big Endian
Definition
Order Your Sets In The Columns, In The Same Order They Were Written in Hexadecimal.
Term
Little Endian
Definition
Order Your Sets In The Columns, Starting With The Last Set and Working Your Way Backward.
Term
What Does ASCII Stand For?
Definition
American Standard Code For Information Interchange
Term
ASCII Is Presented In What?
Definition
Hexadecimal
Term
The first 32 values in ASCII are defined as what?
Definition
Unprintable Control Characters
Term
Endian Order Does Not Play A Role In What?
Definition
ASCII
Term
ASCII Uses How Many Bytes To Store A Symbol?
Definition
1
Term
Unicode Uses How Many Bytes To Store A Symbol?
Definition
4
Term
If More Bytes Are Allotted To ASCII Than There Are Symbols, Then The Remaining Columns Contain What?
Definition
00
Term
Data Structure
Definition
Describes how data is laid out, working as a template or map.

The data is broken up into fields, and each field has a size and name, although the information is not saved in the data.
Term
How Many Bits Does A Flag Have?
Definition
1 Bit
Supporting users have an ad free experience!