Computer Basics
653 questions available
FILTER BY SUBTOPIC
Q621.To be considered computer literate in modern society, it is NOT necessary for a user to know ______?
Correct Answer: A
Computer literacy represents basic functional understanding of operating and using computers, not advanced software programming or development.
Q622.In computer processing, ______ is defined as structured, organized, and meaningful output derived from processing raw input data.
Correct Answer: C
Raw facts (data) are inputted into the computer, processed by the CPU, and transformed into structured, useful information (output).
Q623.Input, processing, output, and storage operations are collectively referred to as the computer's ______?
Correct Answer: A
The Information Processing Cycle represents the sequential phases (Input, Processing, Output, Storage) of handling computer data.
Q624.What is another commonly accepted name for a supercomputer system in the high-end computing industry?
Correct Answer: A
Supercomputers are also referred to as High-Performance Computers (HPCs) due to their capability to compute complex models at massive scale.
Q625.In C programming, which standard library function is used to print formatted output onto the computer screen?
Correct Answer: D
The printf() function writes formatted text or variables to the standard output console screen (stdout).
Q626.Which hardware device is specifically designed to scan and create a high-resolution digital copy of physical drawings, maps, or paper documents?
Correct Answer: B
A scanner is a light-sensitive input device that captures physical text and graphics to convert them into digital image formats.
Q627.What term is used to describe the activity of performing the same operation multiple times in computer programming?
Correct Answer: B
Iteration represents the repetitive execution of a sequence of instructions within a loop (such as for, while, or do-while) until a condition is met.
Q628.What is the correct HTML code to render an interactive checkbox input field?
Correct Answer: B
The HTML <input type="checkbox"> tag is used to display a checkbox that users can select or deselect.
Q629.Today, modern digital computer architectures are primarily based on which electronic component technology?
Correct Answer: C
Modern microprocessors and solid-state computer systems are built upon millions or billions of microscopic transistors.
Q630.Inside a digital computer, all data and program instructions are stored and processed using which type of digits?
Correct Answer: C
Digital systems store and process everything as binary digits (bits: 0s and 1s) representing low and high voltage states.
Q631.In COBOL programming, which clause is specifically used to define the layout, size, and structure of a data item?
Correct Answer: D
The PICTURE (or PIC) clause in COBOL describes the size, format, and type (numeric, alphabetic) of data elements.
Q632.Which type of CPU register holds the memory address of the data being read from or written to the memory?
Correct Answer: A
The Memory Address Register (MAR) holds the memory address of the data or instruction currently being fetched from or written to primary storage.
Q633.A buffer, acting as a temporary storage area during data processing, can commonly exist within which components?
Correct Answer: D
Buffers are implemented in both volatile memory (RAM) and storage media (Hard disk / SSD) to bridge speed differences during data transfer.
Q634.In Microsoft Word, which of the following hardware devices is primarily used for input operations?
Correct Answer: C
The keyboard is used for entering text, while the mouse is used for navigating, selecting, and invoking commands.
Q635.Which of the following input devices can interact directly with a computer's microprocessor?
Correct Answer: C
The microprocessor processes signals and receives input instructions from both keyboards and mouse pointing devices.
Q636.In July 2022, Elon Musk pulled out of a highly publicized $44 billion acquisition deal to buy which company?
Correct Answer: C
Elon Musk signed an agreement to acquire Twitter in April 2022, attempted to terminate it on July 8, 2022, and eventually completed the buyout later that year.
Q637.From which of the following hardware devices does a computer microprocessor typically receive input commands?
Correct Answer: C
The microprocessor processes electrical input signals received from both mouse pointing devices and keyboard entry devices.
Q638.Which of the following magnetic materials exhibits the lowest relative magnetic permeability?
Correct Answer: A
Diamagnetic materials create an opposing magnetic field in response to an external field, resulting in a relative permeability slightly less than 1.
Q639.What core components must a standard microcontroller integrate on a single semiconductor chip at a minimum?
Correct Answer: D
A microcontroller is a compact integrated circuit containing a CPU, volatile RAM, non-volatile ROM/Flash, input/output ports, and timers on a single chip.
Q640.Using the English alphabet from A to Z to designate storage drives, what is the maximum number of disk drives MS-DOS can address?
Correct Answer: B
Since MS-DOS assigns single-letter designations from A to Z, it can address and recognize a maximum of 26 unique disk drives.