أكاديميا - كولنز - معاجم الجيب العلمية - الكمبيوتر - انكليزي - فرنسي - عربي الحرف ١_a

Academia - Collins - Pocket Scientific Dictionaries - Computer - English - French - Arabic Letter 1_A

abacus
abaque f

Abacus. One of the oldest tools used in calculation. It contains ten balls or beads in each row if it works on the decimal base. Multiplication and division are performed on the abacus by repeating addition and subtraction as in the calculator (calculator and computer these days. Another similarity is that the abacus stores the result as well as performing the calculations. There is a type of advanced abacus that is still used in some parts of China as a cheap and easy-to-use calculating tool, in addition to working quickly in the hands of experts.

For example, in the calculation 431 - 9, notice that ten beads in one row can be replaced by one bead in the row directly above at any time.

abort
suspension f

abort. It is just like stopping the countdown of a rocket launch sometimes, which means stopping the computer program when things go wrong. We use the word "abort" in both cases, although in the case of the computer, it is up to the operating system after the program is aborted. The computer then prints a message and waits for the commands.

absolute address
addresse f absolue

absolute address. One needs to visit a friend, to the friend's address to find his house. And it is found On the data in the computer by giving the address of its location. When we program in a low-level language, the number given to each address is controlled by the hardware (devices) and is called the absolute address.

access time
temps m d'accès

Duration of the Nile. The time it takes the computer to extract data from an address inside the computer or any other storage device. It is the time that elapses from receiving the extraction command until the data is ready.

accumulator
accumulateur m

Accumulator. A special location used to perform mathematical operations. If the accumulator is given a number, it can add it to the number it has and keep the result. The accumulator also returns the data to the central memory or outputs it to peripheral devices.

For example, a program with machine code to add two numbers together performs the mathematical operation through three instructions:

a) Empty accumulator.
b) Transfer the first number (37) to the accumulator.
c) Add the second number (48) to the accumulator.

ACE

See automatic computing engine

acoustic coupler
couple m acoustic

Audio coupler. A communications device that can be attached to a telephone handset. Digital signals can then be sent using serial transmission from or to the computer via the telephone. Two audio layers are used, i.e. two different sounds, one for zeros (0) and the other for ones (1).

acronym
acronyme m

Abbreviation. There are many abbreviations in the world of computers, and they consist of simple groups of letters taken from a word or phrase. For example, the word BASIC is an abbreviation for the phrase -Beginners' All-purpose Symbolic Instruction Code, but it is easier to use the word BASIC.
At the end of this book there is a table of abbreviations
and their meanings.

ADA
ADA

Ada. A high-level programming language used in military systems and other systems. It was named "Ada", after Lady Lovelace (1815 - 1852), the daughter of Lord Byron and a mathematician who was an assistant to Charles Babbage.