This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.
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36) The sequence of dependent tasks that determines the project's earliest completion date is the critical path. The correct answer is C. Critical path. 37) An OR gate followed by a NOT gate is a NOR gate. The correct answer is C. NOR. 38) Validation and Verification techniques are used to ensure the overall correctness of a system or software. The correct answer is D. Correctness. 39) A Database Management System (DBMS) enhances the collection, access, and management of interrelated data. The correct answer is B. DBMS. 40) Replacing an HDD with an SSD results in faster data access due to the absence of moving parts and the use of flash memory. The correct answer is A. Faster data access. 41) To convert GB to MB, multiply by 1024. 2 GB = 2 × 1024 MB = 2048 MB The correct answer is C. 2048MB. 42) Preventive maintenance is applied to anticipate and prevent future errors and technical problems. The correct answer is D. Preventive maintenance. 43) The full meaning of the acronym PDF is Portable Document Format. The correct answer is A. Portable Document Format. 44) The on-demand delivery of computer services over the Internet is referred to as Cloud Computing. The correct answer is C. Cloud Computing. 45) Virtual memory is used to extend RAM by using a portion of the hard drive as if it were additional physical memory. The correct answer is B. Extend RAM. 46) • Records are the rows in the table. There are 2 records (F3, F4). • Fields are the columns in the table. There are 3 fields (ID, NAME, SUBJECT). The correct answer is D. 2 records and 3 fields. 47) The amount of time a task can delay without delaying the project completion date is known as slack time (or float). The correct answer is C. Slack time. 48) To find the binary equivalence of 73: Step 1: Divide 73 by 2. 73 ÷ 2 = 36 remainder 1 Step 2: Divide 36 by 2. 36 ÷ 2 = 18 remainder 0 Step 3: Divide 18 by 2. 18 ÷ 2 = 9 remainder 0 Step 4: Divide 9 by 2. 9 ÷ 2 = 4 remainder 1 Step 5: Divide 4 by 2. 4 ÷ 2 = 2 remainder 0 Step 6: Divide 2 by 2. 2 ÷ 2 = 1 remainder 0 Step 7: Divide 1 by 2. 1 ÷ 2 = 0 remainder 1 Reading the remainders from bottom to top gives the binary number: 1001001_2. The correct answer is D. 1001001_2. 49) The data type used to represent data that contains a decimal point is Float. The correct answer is D. Float. 50) A file extension ".jpg" is commonly linked to an Image file. The correct answer is B. Image.