Computer — All MCQs
4795 questions available
Q3501.Karnaugh map consists of square boxes called _____?
Correct Answer: A
A Karnaugh map (K-map) is organized as a grid of square boxes referred to as cells, representing possible boolean variable combinations.
Q3502.Which operator tells the computer to convert the data type of a value?
Correct Answer: B
The typecast (cast) operator explicitly converts or casts a value from one data type to another in programming languages.
Q3503.How many Bits are there in One Byte?
Correct Answer: C
A standard byte consists of exactly 8 bits of digital information.
Q3504.When the data enters into the computers, it is converted into _____?
Correct Answer: A
All inputs entered into a computer are converted into the binary number system (0s and 1s) for processing and memory storage.
Q3505.A logic gate is _____?
Correct Answer: B
A logic gate is the fundamental building block of a digital circuit, implementing boolean logical operations.
Q3506.When the letter 'A' is input to the computer, what is its binary code representation?
Correct Answer: A
Under the ASCII encoding standard, the capital letter 'A' is represented by the 8-bit binary pattern 01000001 (which is 65 in decimal).
Q3507.A _____ is named by a letter followed by a colon (:).
Correct Answer: A
In the Windows operating system file system, disk drives are designated by letters followed by colons, such as C: or D:.
Q3508.Which loop is suitable to use in situations where the programmer does not know the number of time the body of the loop will be executed?
Correct Answer: B
A do-while loop (or while loop) is suitable when the number of iterations is unknown beforehand and depends on runtime conditions.
Q3509.Which HTML tags are used to convert text to subscript?
Correct Answer: A
In HTML, the <sub> tag is used to format text as subscript, while <sup> is used to format text as superscript.
Q3510.In HTML, which tag is used to define each term in a definition list?
Correct Answer: C
Within an HTML definition list (<dl>), the <dt> tag represents the definition term, and <dd> represents the definition description.
Q3511.Which is used when a single block of statements is to be executed if the condition is true?
Correct Answer: C
An 'if' statement is the basic conditional branching construct used to run a single block of code if a condition is evaluated as true.
Q3512.Which loop is preferred to use when the programmer knows in advance how many times the body of the loop will be executed?
Correct Answer: B
The 'for' loop is the preferred loop structure when the number of iterations is fixed and known prior to entering the loop.
Q3513.The rules of a programing language according to which statements of program are to be written are referred as _____?
Correct Answer: B
Syntax represents the formal grammatical rules of a programming language that define the correct structure and format of code statements.
Q3514.The data inside computer is always in _____ form.
Correct Answer: A
Computers process and store all information internally in digital (binary) format, consisting of discrete 0s and 1s.
Q3515.A unique address for a file that is accessible on the Internet is ______?
Correct Answer: B
A Uniform Resource Locator (URL) represents the unique, standard global address used to locate and access files on the World Wide Web.
Q3516.Which tool is used to zoom in the drawing?
Correct Answer: A
The Magnifier tool in graphic editors is used to zoom in or enlarge a specific region of a drawing or image canvas.
Q3517.Which are special non-printed character used to control printing on the output device?
Correct Answer: A
Escape sequences are special non-printing character sequences (beginning with backslash) used to control formatting on display or print outputs.
Q3518.The single character is represented by _____ format specifier.
Correct Answer: C
In C standard library formatting, the %c format specifier is used to input or print a single character.
Q3519.Which of following is the highest speed slot?
Correct Answer: B
The Accelerated Graphics Port (AGP) was historically a high-speed point-to-point channel designed for attaching graphics cards, far exceeding legacy PCI and ISA slots.
Q3520.The process of starting an operating system when the user turns on a computer is known as?
Correct Answer: C
Booting (or bootstrap loading) represents the automated startup process that runs when a computer is powered on, initializing hardware and loading the OS kernel into memory.