An overflow happens when…

The result of a calculation cannot be stored in a register

The RAM is full and virtual memory has to be used

When these two numbers are added together with 8 bit registers, what happens? 1100 0000 + 1110 0000

The answer 0001 1010 0000 is stored in the accumulator

The highest number for 8 bits is stored.

Why are check digits used?

For error checking on data input

To alert the processor to an arithmetic overflow

To convert a number from hexadecimal to denary

What is meant by the term, 'character set'?

A defined list of characters recognised by the computer hardware and software

The data type used to assign memory for a variable

All the characters used in a language

The American Standard Code for Information Interchange

ASCII is an example of…

A conversion technique for hexadecimal to denary

Which of these is an example of metadata?

The binary of each pixel in an image

If you increase the colour depth of an image, you will…

Need to use vector instead of bitmap encoding

If you increase the resolution of an image, you will…

Need to use vector instead of bitmap encoding

The bit depth, or bit rate means…

The number of bits used to store each sample

The total number of bits in a sound

Number of samples stored per second

The sampling frequency of digitised sound means…

Number of samples stored per second

The total number of samples in a sound

The number of bits to store the sound

The point in a sound when a sample is taken

The sound sample size means…

The total number of bits in a sound

The number of bits used to store each sample

Number of samples stored per second

What does compression do?

Reduce the number of bits in a file

Increase the number of bits in a file

Reduce the number of errors that may occur in a file

Always increases the speed at which data can be processed from a file

What is one effect of data compression?

A file will require less storage capacity

A file will transfer more slowly

A file will increase in quality

A file will contain fewer errors

What is one effect of data compression?

A file will transfer more quickly

A file will increase in quality

A file will transfer more slowly

A file will contain fewer errors

T2-Data representation

Authored by Ian Currie

Computers

9th - 12th Grade

Used 18+ times

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60 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The unit of 1,048,576 or 1,000,000 bytes is called a…

Gigabyte

Kilobyte

Megabyte

Terabyte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The unit of 1000 or 1024 bytes is called a…

Megabyte

Gigabyte

Kilobyte

Terabyte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1024 gigabytes is called a…

Terabyte

Petabyte

Kilobyte

Megabyte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1024 megabytes is called a…

Terabyte

Petabyte

Gigabyte

Kilobyte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1024 terabytes is called a…

Megabyte

Kilobyte

Petabyte

Gigabyte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The unit of 0 or 1 is called a…

Nibble

Bit

Kilobyte

Byte

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Computers can only process data in this format.

Denary

Hexadecimal

Binary

ASCII

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T2-Data representation

The unit of 1,048,576 or 1,000,000 bytes is called a…

The unit of 1000 or 1024 bytes is called a…

1024 gigabytes is called a…

1024 megabytes is called a…

1024 terabytes is called a…

The unit of 0 or 1 is called a…

Computers can only process data in this format.

How many bytes is 24 bits?

The unit of 8 bits is called a…

The unit of 4 bits is called a…

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