Computer Fundamental Miscellaneous - Study Mode

[#121] Computers use the _____ number system to store data and
perform calculations.
Correct Answer

(D) Binary

Explanation

Solution: A computer system uses bits (binary digits) to denote values. It uses the binary number system to store data. Each digit (0 or 1) is a bit thus the binary number 10110110 is a binary number having 8 bits.

[#122] Which of the following is the largest unit of storage?
Correct Answer

(D) Terabyte (TB)

Explanation

Solution: Terabyte (TB) = 1,099,511,627,776 or 2 40 bytes = 1,024 Gigabytes = 1,048,576 Megabytes. Gigabyte (GB) = 1,073,741,824 or 2 30 bytes = 1,024 Megabytes = 1,024 Megabytes = 1,048,576 Kilobytes. Megabyte (MB) = 1,048,576 bytes = 1,024 Kilobytes. Kilobyte (KB) = 1,024 bytes. Therefore, TB is the largest unit in given memory storage unit.

[#123] The _____ key will launch the start buttons.
Correct Answer

(C) Windows

Explanation

Solution: The Windows logo key (also known as Windows key, start key, logo key, flag key, super key, command key or flag) is a keyboard key which was originally introduced on the Microsoft Natural keyboard in 1994. This key became a standard key on PC keyboards. Tapping this key invokes the operating system's start menu.

[#124] _______ is the process of finding errors in software code.
Correct Answer

(D) Debugging

Explanation

Solution: Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program or software code. Whereas, Testing is the process of finding bugs in already developed software not in software code.

[#125] To move to the beginning of a line of text, press the _____ key.
Correct Answer

(A) Home

Explanation

Solution: To move the cursor to the beginning of line: Press "Home" button on keyboard.