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4

In the binary number system, what is the value of the leftmost digit?

A. 1

B. 0

C. 2

D. It depends on the context

Correct Answer :

A. 1


Related Questions

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4

What is the primary function of an operating system?

A. To manage hardware resources and provide services for software

B. To run applications

C. To create graphics

D. To store data

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4

What does the term bug refer to in programming?

A. An insect that disrupts the computer's operation

B. A hardware malfunction

C. An error or flaw in a program's code

D. A security vulnerability

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4

What is a data type in programming?

A. A programming language

B. A set of rules for writing code

C. A category of values with a common set of operations

D. A loop

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4

What does the acronym SQL stand for?

A. Structured Query Language

B. Simple Query Language

C. System Query Language

D. Sequential Query Language

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4

Which data type is used to store whole numbers in Python?

A. float

B. int

C. str

D. bool

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4

What is a data structure in programming?

A. A type of loop

B. A category of values with a common set of operations

C. A programming language

D. A set of rules for writing code

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4

What is the purpose of the continue statement in programming?

A. To exit a loop prematurely

B. To define a function

C. To print output to the console

D. To create a loop

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4

What is the purpose of a database index?

A. To prevent data corruption

B. To optimize data retrieval by providing fast access to specific records

C. To store large amounts of data

D. To encrypt data

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4

What is the purpose of the if statement in programming?

A. To repeat a block of code

B. To define a function

C. To make decisions and execute code conditionally

D. To create a loop

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4

What does the term bit stand for?

A. Binary Text

B. Binary Information Transfer

C. Binary Digit

D. Byte Interval Time

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4

What is the purpose of the switch statement in programming?

A. To execute code based on multiple conditions

B. To define a function

C. To create graphics

D. To exit a loop

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4

Which programming paradigm is based on the concept of objects?

A. Functional programming

B. Procedural programming

C. Object-oriented programming

D. Declarative programming

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4

What is an IP address used for in computer networking?

A. To identify a specific website

B. To identify a specific computer or device on a network

C. To encrypt network traffic

D. To block spam emails

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4

What does the term protocol mean in the context of computer networking?

A. A set of rules and conventions for communication between devices

B. A type of hardware

C. A programming language

D. A software application

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4

What is the purpose of a constructor in object-oriented programming?

A. To define a function

B. To create graphics

C. To initialize the attributes of an object when it is created

D. To exit a loop

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4

Which data structure uses a First-In-First-Out (FIFO) order?

A. Stack

B. Queue

C. Linked List

D. Binary Tree

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4

What is the binary representation of the decimal number 42?

A. 00101010

B. 10101010

C. 11010010

D. 01010101

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4

Which of the following is a valid way to define a constant in Python?

A. const pi = 3.14159

B. final float PI = 3.14159

C. PI = 3.14159

D. constant PI = 3.14159

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4

What does CPU stand for?

A. Central Processing Unit

B. Computer Programming Unit

C. Central Program Unit

D. Computer Processing Unit

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4

Which of the following is an example of a network protocol?

A. JPEG

B. HTTP

C. MP3

D. PNG

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4

Which data structure uses a Last-In-First-Out (LIFO) order?

A. Queue

B. Stack

C. Linked List

D. Tree

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4

What is the purpose of a subroutine in programming?

A. To define a data type

B. To create graphics

C. To store data

D. To encapsulate a sequence of code that can be called multiple times

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4

What is the maximum value that can be stored in a byte?

A. 128

B. 256

C. 64

D. 512

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4

What is an algorithm in computer science?

A. A type of data structure

B. A step-by-step procedure for solving a problem

C. A type of programming language

D. A hardware component

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4

What does the term algorithmic complexity refer to?

A. The speed at which a program executes

B. The size of a program's source code

C. The number of bugs in a program

D. The amount of memory used by a program

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4

What is the binary representation of the decimal number 8?

A. 1000

B. 1001

C. 100

D. 1010

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4

What is the purpose of the try and except blocks in Python?

A. To define a function

B. To create graphics

C. To handle exceptions and errors

D. To write comments in code

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4

What is the main purpose of a function in programming?

A. To store data

B. To execute code in a random order

C. To perform a specific task or computation

D. To create graphics

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4

Which of the following is not a valid data structure in Python?

A. List

B. Tuple

C. Stack

D. String

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4

What is the purpose of the for loop in programming?

A. To execute a block of code a specific number of times

B. To make decisions and execute code conditionally

C. To define a function

D. To create graphics