Question 1

Which of the following data items are arranged from the smallest to the largest in the data hierarchy.

Accepted Answer

bits,characters,fields,records,files.

Question 2

Input devices allow the computer to receive data.They are things such as a keyboard or mouse.

Accepted Answer

Input devices, like a keyboard or mouse, are used to enter data or instructions into a computer.

Question 3

The cost of computing power and communications bandwidth has been

Accepted Answer

Both the cost of computing power and communications bandwidth have been steadily decreasing due to advancements in technology and economies of scale. This trend is commonly known as Moore's Law, which states that the number of transistors in a dense integrated circuit doubles approximately every two years, resulting in lower costs and higher computing power. Similarly, advancements in telecommunications technology have also led to a reduction in the cost of communication bandwidth.

Question 4

Which of the following statements is false

Accepted Answer

The impressive functions performed by computers involve only the simplest manipulations of 1s and 2s .It's 1s and 0s.

Question 5

Microsoft's ________ is a cloud computing platform that allows you to develop,manage and distribute your apps in the cloud.

Accepted Answer

Windows Azure is a cloud computing platform offered by Microsoft that allows developers to build, manage, and deploy applications on a global network of data centers. It provides a range of services like virtual machines, storage, and networking. The other options (A, C, D) are not relevant to the question as they do not provide cloud computing services like Windows Azure.

Question 6

Computer circuitry is able to:

Accepted Answer

Computer circuitry has the ability to get the value of a bit, examine the value of a bit, and reverse the value of a bit, making option D the correct choice.

Question 7

Logical decisions are made by the CPU.

Accepted Answer

Logical decisions are made by the Arithmetic Logic Unit (ALU).

Question 8

One byte is composed of:

Accepted Answer

A byte is a unit of digital information that typically consists of 8 bits. Therefore, the best choice is C, which states that one byte is composed of 8 bits. Choices A, B, and D are incorrect, as they state that one byte is composed of 2, 4, and 10 bits, respectively.

Question 9

Every computer can be divided into 6 basic units.They are:

Accepted Answer

C) is correct because it accurately lists the fundamental components of a computer in terms of functionality: input (for receiving data), output (for sending data out), memory (for temporary data storage), ALU (Arithmetic Logic Unit, for processing mathematical and logical operations), CPU (Central Processing Unit, the main processing unit of a computer), and secondary storage (for long-term data storage).

Question 10

Which of the following statements is false

Accepted Answer

Actually,using cloud computing services shifts the burden of managing applications from the business to the service provider,saving businesses money.

Question 11

An example of when a file should not be used is:

Accepted Answer

Saving the value of a variable at runtime should be done using a variable or data structure within the program rather than writing to a file. Writing to a file adds unnecessary overhead and can make the program slower. A file should only be used when persistent storage is required, such as saving data that needs to persist even after the program has stopped running.

Question 12

The purpose of the ALU is:

Accepted Answer

The ALU (Arithmetic Logic Unit) is responsible for performing basic math operations such as addition, subtraction, multiplication, and division, as well as logical comparisons such as greater than, less than, and equal to. It does not store any data, permanent or temporary, nor does it play a role in cooling the computer down.

Question 13

Computers process data,using sets of instructions called ________.

Accepted Answer

Computers process data using sets of instructions called computer programs. Softgoods refer to non-tangible goods such as digital products, services, or information. Recipes are sets of instructions for cooking or baking. Hardware refers to physical components of a computer system.

Question 14

The CPU is the heart of the computer.It tells the computer when input is received and when output should be displayed.It also helps in the storage of data to memory.

Accepted Answer

The CPU (Central Processing Unit) is known as the "brain" or the "heart" of the computer. It is responsible for managing and executing instructions, as well as controlling the flow of data within the computer. It plays a critical role in processing input, storing data to memory, and producing output.

Question 15

______ Law states that every year or two,the computing power of computers doubles without any increase in price.

Accepted Answer

Moore's Law, named after Gordon Moore, states that the computing power of computers doubles approximately every two years, without any increase in price. Gates and Henderson are not associated with this law.

Question 16

Secondary storage stores data for large amounts of time.

Accepted Answer

Secondary storage, such as hard drives or external drives, is designed to store data for prolonged periods of time, whereas primary storage (e.g. RAM) holds data temporarily while the computer is in use.

Question 17

The smallest data item in a computer is the _________.

Accepted Answer

A bit (short for binary digit) is the smallest unit of information in a computer, consisting of either a 0 or 1. A byte, on the other hand, is a group of 8 bits and a kilobyte is a group of 1024 bytes.

Question 18

Binary code is actually:

Accepted Answer

Binary code is a representation of data using only two digits, 0 and 1. This is the fundamental building block of all digital computing devices and is used to store and process information at the lowest level of the machine. It is not a programming language nor a series of characters representing the numbers 0 to 9.

Question 19

In a ____________ file,a record typically stored in order by a record-key field.

Accepted Answer

In a sequential file, records are stored in a specific order or sequence, usually by their record-key field. This makes it easy to locate and retrieve specific records based on their key values.

Question 20

Which of the following statements is false

Accepted Answer

Businesses using cloud computing services must still manage the applications,which can be costly.Actually,using cloud computing services shifts the burden of managing applications from the business to the service provider,saving businesses money.

Quiz 1: Introduction to Computers, the Internet and Visual C#

Which of the following data items are arranged from the smallest to the largest in the data hierarchy.

Input devices allow the computer to receive data.They are things such as a keyboard or mouse.

The cost of computing power and communications bandwidth has been

Which of the following statements is false

Microsoft's ________ is a cloud computing platform that allows you to develop,manage and distribute your apps in the cloud.

Computer circuitry is able to:

Logical decisions are made by the CPU.

One byte is composed of:

Every computer can be divided into 6 basic units.They are:

Which of the following statements is false

An example of when a file should not be used is:

The purpose of the ALU is:

Computers process data,using sets of instructions called ________.

The CPU is the heart of the computer.It tells the computer when input is received and when output should be displayed.It also helps in the storage of data to memory.

______ Law states that every year or two,the computing power of computers doubles without any increase in price.

Secondary storage stores data for large amounts of time.

The smallest data item in a computer is the _________.

Binary code is actually:

In a ____________ file,a record typically stored in order by a record-key field.

Which of the following statements is false