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COMPUTING GLOSSARY > B > Flashcards

B Flashcards

0
Q

Backup schedule

A

X

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1
Q

Backing storage

A

X

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2
Q

Backup server

A

X

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3
Q

Backup strategy

A

X

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4
Q

Bandwidth

A

Bandwidth describes the amount of data which can be transmitted via a network connection, usually measured in bits per second.

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5
Q

Bandwidth consumption

A

X

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6
Q

Bi-Directional

A

Transfers data in both directions.

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7
Q

Binary number system

A

A system in which numbers are represented using only the digits 0 and 1.

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8
Q

Bit

A

A single unit of binary data.

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9
Q

Bit-depth

A

The number of bits used to represent each pixel.

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10
Q

Bitmap

A

A representation of image data where each bit corresponds to an individual pixel on the screen.

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11
Q

Bitmap graphics

A

X

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12
Q

Bitmap - 24-bit

A

X

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13
Q

Bit-mapped graphic data

A

X

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14
Q

Bluetooth

A

Bluetooth is a wireless networking protocol which allows devices to connect together to provide services like Internet access, printing and data transfer without the intervention of the user.

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15
Q

Boolean variables

A

Two-state algebra developed by George Boole.

X

16
Q

Boot Program

A

A small program held in ROM that is executed when the computer is powered up.

17
Q

Boot sector virus

A

X

18
Q

Bootstrap loader

A

X

19
Q

Breadth-first search

A

X

20
Q

Broadcasting

A

Broadcasting over a network uses the User Datagram Protocol which does not require an acknowledgment. This is a more efficient use of bandwidth than individual downloads.

21
Q

Browser

A

Software used to render HTML pages.

22
Q

Bubble Jet Printer

A

Operates by heating the ink until it forms a vapourised bubble which is then squirted as a tiny droplet of ink onto a page.

23
Q

Buffer

A

A part of memory used to hold data when communicating with a peripheral. Used when a fast acting part of the system (CPU) is exchanging data with a slow acting device (printer).

24
Q

Bus Network

A

Each device on the network is directly connected to a single communications line.

25
Q

Bus topology

A

X

26
Q

Byte

A

Eight units of binary data (bits).

27
Q

Beta testing

A

Testing of software outside the development organisation using clients or selected members of the public.

28
Q

Bottom-up design

A

A method of program refinement that starts with individual modules and builds them up into a complete program.

29
Q

Boundary testing

A

Running a program with test data that represents the extreme upper and lower values.
Within this range the program should operate normally.

30
Q

Bugs

A

A bug is a program error.

31
Q

Bytecode

A

This is produced by JavaScript and is a form of machine code that runs under the Java virtual environment.
The latter is freeware and enables any computer to run Java programs

COMPUTING GLOSSARY (22 decks)

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