1.
يكون نظام الحاسوب من ثلاثة اجزاء رئيسية
Correct Answer
C. المكونات المادية والبرمجيات والمستخدمين
Explanation
The correct answer is "المكونات المادية والبرمجيات والمستخدمين" (physical components, software, and users). This answer correctly identifies the three main components of a computer system, which are the physical hardware components, the software that runs on the system, and the users who interact with the system. These three components are essential for the functioning of a computer system.
2.
الجيل الذي استخدمت فيه لغة الالة
Correct Answer
A. الجيل الاول
Explanation
The correct answer is "الجيل الاول". This is because the question is asking about the generation in which machine language was used. Machine language was primarily used in the first generation of computers, where instructions were written in binary code that the computer could directly understand and execute.
3.
بدا الجيل الرابع في
Correct Answer
C. 1970 _ 1980
Explanation
The correct answer is 1970 _ 1980. This is the only option that falls within the time frame of the fourth generation of computers, which is generally considered to have started in the early 1970s and ended in the early 1980s.
4.
من مجالات استخدام الحاسوب
Correct Answer
D. جميع ما ذكر صحيح
Explanation
The correct answer is "جميع ما ذكر صحيح" (All of the above is correct). This answer suggests that all of the mentioned options (education, production, communications) are valid areas of computer usage.
5.
احدى التالية من انواع الحواسيب وفق معيار الحجم
Correct Answer
B. Work station
Explanation
A work station is a type of computer that is designed for professional or business use. It typically has more processing power, memory, and storage capacity compared to a regular personal computer. Workstations are often used for tasks that require high performance, such as graphic design, video editing, and scientific calculations. They are also known for their ability to handle multiple tasks simultaneously and support advanced software applications. Therefore, a work station can be considered a type of computer based on the criterion of size.
6.
اسم الحاسوب الذي انتج في الجيل الاول
Correct Answer
D. UNIVAC
Explanation
UNIVAC is the correct answer because it was the first computer to be produced in the first generation of computers. IBM 360, Microprocessors, and Mini computer are not correct answers as they were not the first computers produced in the first generation.
7.
الحواسيب التي تحتوي على اكبر عدد من وحدة المعالجة المركزية
Correct Answer
A. الحواسيب العملاقة
Explanation
The correct answer is "الحواسيب العملاقة". This is because "الحواسيب العملاقة" translates to "supercomputers" in English, which are known for having the largest number of central processing units (CPUs) compared to other types of computers. Supercomputers are designed to perform extremely complex calculations and process large amounts of data at very high speeds.
8.
2 MB تعادل ......... byte
Correct Answer
D. 2079152
Explanation
2 MB is equal to 2,097,152 bytes.
9.
عدد وصلات ثقوب التوسع
Correct Answer
A. 4 or 8
Explanation
The correct answer is 4 or 8 because the question is asking about the number of expansion slot connectors. The options provided are different numbers, and the correct answer is either 4 or 8.
10.
احدى العبارات التالية غير صحيحة
Correct Answer
C. ذاكرة rom ذات وصول تتابعي
Explanation
The correct answer is "ذاكرة rom ذات وصول تتابعي". This statement is incorrect because ROM (Read-Only Memory) is a type of non-volatile memory that stores data permanently and cannot be modified or erased. It is not a type of memory that allows sequential access.
11.
ذاكرة القراءة فقط هو الاسم الاخر ل ذاكرة
Correct Answer
B. Rom
Explanation
The correct answer is Rom. ROM stands for Read-Only Memory, which is a type of computer memory that stores data permanently and cannot be modified or erased. It is called Read-Only because the data can only be read and not written to. ROM is used to store the computer's firmware and other permanent data that is essential for the system to function properly.
12.
اساس النظام العشري هو
Correct Answer
D. 10
Explanation
The correct answer is 10 because the decimal system is based on powers of 10. In the decimal system, each digit's value is multiplied by a power of 10 based on its position. The rightmost digit represents ones, the next digit represents tens, then hundreds, and so on. Therefore, the base of the decimal system is 10.
13.
يتكون المعالج من
Correct Answer
D. LAU
Explanation
The correct answer is LAU. The question is asking about the components of a processor, and LAU is the only option that represents a valid combination of components. ALU stands for Arithmetic Logic Unit, which performs mathematical and logical operations. CU stands for Control Unit, which manages the flow of data and instructions within the processor. UAL and LAU are not recognized components in the context of a processor.
14.
تتكون النواقل من .......... مجموعة من الاسلاك
Correct Answer
B. 3
15.
تمثل الشيفرة الاميركية القياسية الاعداد من ( ._ ٩ ) ب
Correct Answer
C. 48 _ 57
Explanation
The given answer, "48 _ 57", represents the American Standard Code for Information Interchange (ASCII) values for the numbers from 48 to 57. In ASCII, each character is assigned a unique numerical value. The range from 48 to 57 corresponds to the ASCII values for the digits 0 to 9.