A. Machine Language. - मशीन लैंग्वेज
B. Application Software. - एप्लीकेशन सॉफ्टवेयर
C. System Program. - सिस्टम प्रोग्राम
D. Assembly language. - असेंबली लैंग्वेज (सभा की भाषा)
The language that a computer can understand and execute is called a "machine language" or "machine code." Machine language is a low-level programming language consisting of binary code (0s and 1s) that corresponds directly to the instructions executed by a computer's central processing unit (CPU).