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Question 36: When receiving the error message “Non-system disk or disk error”. What is the cause? A. The operating system is not installed, the boot sector is faulty B. Limited hard disk space C. No RAM installed D. Driver not installed A is the correct answer =============== Link Hoc va de thi 2021
Question 17: Which of the following commands in MS-DOS is used to restore the Master Boot Record? A. Format C:/s B. Fdisk C. Dir D. Fdisk /mbr EASY is the correct answer =============== Link Hoc va de thi 2021
Đề bài: Cho đa thức (fleft( x right)) thỏa mãn (fleft( x right) – xfleft( {1 – x} right) = {x^4} – 5{x^3} + 12{x^2} – 4) với mọi x thuộc (D = left{ {x in mathbb{R}:{x^4} – 10{x^2} + 9 le 0} right}). Gọi (M,m) lần lượt là GTLN, GTNN của (fleft( x right)) […]
Tìm (m) để hệ sau có nghiệm (left{ begin{array}{l}4{x^2} + sqrt {3x} ge sqrt {x + 1} + 1,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,left( 1 right)xleft( {x + 5} right)left( {2x – 1} right) + {left( {{x^3} – 2x + m} right)^2} = 0,,,,,,left( 2 right)end{array} right.) – Sách Toán – Học toán Link Hoc va de thi 2021
Chứng minh rằng hàm số (y = {x^4} – 6{x^2} + 4x + 6) luôn luôn có 3 cực trị đồng thời gốc toạ độ O là trọng tâm của tam giác tạo bởi 3 đỉnh là 3 điểm cực trị của đồ thị hàm số. – Sách Toán – Học toán […]
Question 7: What will you do when the computer is locked with the CMOS password? A. Clear CMOS B. Boot in Safe Mode C. Reinstall the Operating System D. Start with Last Know Good Config A is the correct answer =============== Link Hoc va de thi 2021