Question 1

The operand is a command word for an operation.

Accepted Answer

An operand is a value or variable upon which an operation is performed, not a command word for an operation.

Question 2

Prior to 1940,the word computer was defined as a person who performs calculations.

Accepted Answer

Prior to 1940, the term computer was used to refer to a person who performed mathematical calculations.

Question 3

The first digital computer was developed for conducting the census.

Accepted Answer

The first digital computer, ENIAC, was developed for military purposes, specifically to calculate artillery firing tables.

Question 4

You should always use a different password for every account.

Accepted Answer

The answer of You should always use a different password...

Question 5

All computers are case sensitive.

Accepted Answer

Not all computers or systems are case sensitive; it depends on the operating system and file system. For example, Windows is generally case-insensitive, while Linux is case-sensitive.

Question 6

Because most digital devices are electronic,bits take the form of electrical pulses.

Accepted Answer

Electrical pulses are used to represent bits in most digital devices, as they are electronic in nature.

Question 7

The purpose of a server is to serve computers on a network.

Accepted Answer

The purpose of a server is to provide resources or services to other devices on a network, such as sharing files, managing network traffic, hosting websites, and running applications.

Question 8

The op code in a machine language instruction specifies the data.

Accepted Answer

The op code in a machine language instruction specifies the operation to be performed, not the data. The operand(s) specify the data.

Question 9

Because of increased versatility,a videogame console is now considered a personal computer.

Accepted Answer

A video game console is primarily designed for gaming and lacks the full functionality and versatility of a personal computer, which is designed for a wide range of tasks beyond gaming.

Question 10

Facebook and Twitter are examples of social networking options.

Accepted Answer

Facebook and Twitter are two of the most popular social networking websites.

Question 11

In the binary number system,2 is used to represent the value 2.

Accepted Answer

In the binary number system, 2 is represented by two binary digits, usually 10. The digit 2 is not used in binary, only 0 and 1.

Question 12

To ensure you can remember your password,it is a good idea to base it on information you can easily remember such as your birthday.

Accepted Answer

It is not a good idea to base your password on information that is easily available or can be easily guessed such as your birthday, name or any other personal information. Strong and secure passwords are usually random combinations of letters, numbers and symbols.

Question 13

The digital revolution became a significant factor in the 1980s but ended in the 1990s when the "dot com" bubble burst.

Accepted Answer

The digital revolution began in the 1970s and continued through the 1980s and beyond. While the "dot com" bubble did burst in the 2000s, the digital revolution is ongoing and continues to shape our world today.

Question 14

Trojans are computer programs that seem to perform one function while actually doing something else.

Accepted Answer

Trojans are indeed computer programs that appear to perform a certain function but actually perform a different function or malicious activity.

Question 15

An interpreter converts and executes one statement at a time.

Accepted Answer

An interpreter converts and executes one statement at a time. This is in contrast to a compiler, which converts an entire program into machine code before execution.

Question 16

Semiconductor materials are substances with properties between those of a conductor and an insulator.

Accepted Answer

This statement is true. Semiconductor materials have electrical conductivity properties between that of a conductor and an insulator.

Question 17

-A compiler like the one shown in the accompanying figure converts all statements in a program to machine language in a single batch.

Accepted Answer

A compiler translates the entire source code of a program into machine language at once, creating an executable file, unlike an interpreter which translates code line-by-line.

Question 18

An operating system is an example of application software.

Accepted Answer

An operating system is not an application software but rather a system software, which provides a platform for other applications to run on a computer or mobile device. Application software includes programs such as word processors, web browsers, and video games.

Question 19

The number 9 can be considered a character.

Accepted Answer

In certain contexts, numbers can be considered characters, particularly when being used to represent data or form part of a written or spoken message.

Question 20

Privacy advocates fear that digital technologies are fundamentally changing our expectation of what is private and what is not.

Accepted Answer

Privacy advocates do express concern that advancements in digital technologies are redefining societal norms and expectations around privacy.

Quiz 1: Computers and Digital Basics