Question 1

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?
A) He should be using an all-in-one computer.
B) He should always find a desktop computer.
C) He should make sure to bring a tablet.
D) He should be sure to carry his laptop.

Accepted Answer

A tablet is a lightweight and portable option that allows for browsing the internet, reading emails, and basic data storage. It is convenient for travel and allows for easy access without the bulk of a larger device.

Question 2

What are the two important components of CPU that help in processing the input into output?
A) Control Unit and RAM
B) Hard Drive and Arithmetic Logic Unit
C) Hard Drive and RAM
D) Control Unit and Arithmetic Logic Unit

Accepted Answer

The Control Unit and the Arithmetic Logic Unit (ALU) are the two important components of a CPU that help in processing the input into output. The Control Unit is responsible for controlling the flow of data between the CPU and other components of the computer, while the ALU is responsible for performing arithmetic and logical operations on the data. The Hard Drive and RAM are important components of a computer but are not directly involved in processing the input into output.

Question 3

Which of the following should you take into consideration when purchasing a computer?
A) Form factor
B) Software and applications you intend to use
C) Platform or Operating System
D) Storage capacity

Accepted Answer

A, B, C, D

Question 4

Where on a computer is the operating system generally stored?
A) RAM
B) Internal hard drive
C) Flash drive
D) Virtual memory

Accepted Answer

The operating system is generally stored in the internal hard drive of a computer. Other storage devices like flash drives or virtual memory may contain some components of the operating system, but not the entire system itself. RAM is a type of volatile memory used for temporary storage during the operation of the computer.

Question 5

Which of these is an optical medium of storage?
A) Blu-ray discs
B) Solid state drive
C) Cloud storage
D) HDD

Accepted Answer

Blu-ray discs are optical medium of storage as they use a laser to read and write data on a disc through tiny pits and bumps on the surface.

Question 6

Which of the following types of storage is/are used to transfer data from one computer to another?
A) Read-Only Memory
B) Random Access Memory
C) External Hard Drive
D) Optical Media

Accepted Answer

Read-Only Memory (ROM) and Random Access Memory (RAM) are not typically used for transferring data from one computer to another. External hard drives and optical media such as CDs and DVDs are commonly used for transferring data between computers.

Question 7

Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?
A) Desktop computers
B) Tablets
C) Smartphones
D) Laptops

Accepted Answer

Desktop computers are the most powerful of the options and are usually easier to upgrade, as they offer more space for additional components and have standardized parts. However, they are not as portable as laptops, tablets, or smartphones.

Question 8

Daniel wants to buy a desktop to use for playing games after work. He loves racing games and wants to make sure his laptop has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?
A) RAM capacity - it provides temporary storage that applications use to run smoothly
B) Processor core - some applications, especially games, have greater processor requirements
C) Size - larger desktops provide more physical space for memory storage, increasing efficiency
D) External hard disk capacity - provides additional temporary storage needed to run heavy applications

Accepted Answer

RAM capacity and processor core are important factors when it comes to running games smoothly on a desktop. Racing games tend to have higher processor requirements, and having enough RAM capacity ensures that the game can run without any lags or delays. Size and external hard disk capacity are not as crucial in this case.

Question 9

The hard disk drive on Joyce's laptop can store up to 500 GB of data. She usually only saves official documents and a few songs that she listens to while she works. However, when she uses more than three applications at the same time, her laptop responds more slowly. What should she do to optimize her storage?
A) Use an external hard disk drive to store data so that there is more free memory on her laptop's hard disk drive
B) Save all her data on a DVD so that the space on her hard disk drive is completely available to run her applications smoothly
C) Increase the RAM on her laptop so that more space for temporary storage of data is available, hence, increasing the performance
D) Replace her hard disk drive with one that provides lesser storage capacity so that the amount of memory available is optimal and performance is increased

Accepted Answer

The issue described in the question relates to the laptop's performance when using multiple applications at the same time. This is a RAM-related issue rather than a storage-related issue. Increasing the RAM will provide more space for temporary storage of data, which will improve laptop performance when multiple applications are running simultaneously. Option A is not suitable because using an external hard disk drive will not improve laptop performance. Similarly, option B is not suitable, since storing data on a DVD is not a practical option for everyday use. Moreover, it will still leave the issue unsolved. Finally, option D is not a suitable solution because the laptop will still have the same amount of RAM.

Question 10

We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.

Accepted Answer

Unicode is designed to support a wide range of characters from different languages and scripts, including Chinese, Japanese, Arabic, and many others. It is a universal character encoding standard that allows computers to represent and manipulate text in different languages and scripts. By using Unicode, we can ensure that our applications and systems can handle different scripts and languages, which is essential in today's globalized world.

Question 11

Manny copied a table from a MS Excel file, closed the file, and then pasted the table in an MS Word document. Where did the copied table get stored after he copied it?
A) In the ROM
B) In the RAM
C) In the ALU
D) In the core

Accepted Answer

When Manny copied the table, it was temporarily stored in the computer's RAM (Random Access Memory). This is a type of volatile memory where data is stored temporarily while a program is running. Once Manny closed the Excel file, the data was still stored in the RAM until he pasted it into the Word document. After he pasted it, the data remained in the Word file but was no longer stored in the computer's memory. The other options (A, C, D) are not relevant to this scenario as they are not related to temporary data storage in a computer's memory.

Question 12

While naming a file on the computer, if we press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?
A) 'A' is stored as alphabet 'A' on the memory unit and displayed back.
B) 'A' is directly displayed on monitor from keyboard, without passing through any memory unit.
C) 'A' is converted to its ASCII binary code and stored in the memory unit. Then it is converted back to 'A' for display.
D) 'A' is converted to its special characters and stored in the memory unit. Then it is converted back to 'A' for display.

Accepted Answer

The CPU converts the letter 'A' to its corresponding ASCII binary code and stores it in the memory unit. Then, it retrieves the binary code and converts it back to 'A' for display on the screen. This process is necessary because the CPU only understands binary code, not letters or numbers.

Question 13

Jason takes many photographs on his smartphone while on vacation in Italy. If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?
A) RAM
B) ROM
C) Cloud storage
D) Compact disk

Accepted Answer

Cloud storage would be the best choice for Jason since he can access his pictures from multiple devices, and it provides a backup in case his phone is lost, stolen, or damaged. RAM and ROM are both types of memory within a device and are not designed for long-term storage. Compact disks are becoming less common and may not be as convenient for accessing pictures across multiple devices.

Question 14

In which format is data finally stored in computers?
A) Letters of English alphabet
B) Even numbers
C) Binary digits
D) Special characters

Accepted Answer

Computers store data in the form of binary digits, which essentially means representing data in the form of 0s and 1s. All the other choices - letters of the English alphabet, even numbers, and special characters - can be converted into binary form to be stored in computers, but the final format of storage is always in binary.

Question 15

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to perform the task?
A) He should use a scanner, which would convert an image into an electronic file.
B) He should use a plotter to produce a high-quality image to send.
C) He should use a digital pen, which can help create an online image of his certificate.
D) He should use a projector to display the output.

Accepted Answer

Alex should use a scanner, which will create a digital copy of his graduation certificate that he can then email to the prospective employer. A scanner converts physical documents into electronic files. Using a plotter or a projector is not necessary for this task, and a digital pen may not produce a high-quality image suitable for a certificate.

Question 16

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

Accepted Answer

Peripheral devices are usually connected to your computer through ports, such as USB, HDMI, Ethernet, etc.

Question 17

All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

Accepted Answer

All-in-one computers have most of their components integrated into the monitor, which makes them difficult to upgrade or service. Additionally, they tend to take up more desk space compared to traditional desktop computers due to their larger size.

Question 18

A joystick is a pen-type input device used to draw and tap on icons.

Accepted Answer

A joystick is a device used to control movement in video games and other applications, but it is not typically used for drawing or tapping on icons.

Question 19

Ryan wants to install a new operating system on his laptop, but first he needs to safely store all his data - over 80 GB - so he doesn't lose any of his files. How should Ryan back up all his data?
A) He should use a memory card to store the data if his laptop has a slot for one, because they are very small and handy.
B) He should use the internal hard drive of his laptop to store the data because since it is not detachable, it will ensure maximum safety.
C) He should use an external hard drive to store the data because the amount of data he needs to store is quite large.
D) He should use a DVD to store his data because other handy storage devices, like flash drives and memory cards, cannot store such a sizeable amount of data.

Accepted Answer

The best option for Ryan is to use an external hard drive to store his data. An external hard drive can hold a large amount of data, such as the 80 GB that Ryan needs to back up. It is also a safe and reliable option as it can be easily disconnected from the laptop once the data is backed up. Memory cards and internal hard drives are not recommended as they can be prone to data loss or corruption. DVDs are not an ideal option either as they are not as reliable as external hard drives for long-term storage of large amounts of data.

Question 20

In which of the following storage device(s) does memory need to be constantly recharged to retain the contents?
A) Dynamic RAM (DRAM)
B) Static RAM (SRAM)
C) Magnetoresistive RAM (MRAM)
D) Flash Memory

Accepted Answer

Dynamic RAM (DRAM) requires constant recharging of memory to retain contents.

Quiz 3: Performing Calculations With Formulas and Functions

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?

What are the two important components of CPU that help in processing the input into output?

Which of the following should you take into consideration when purchasing a computer?

Where on a computer is the operating system generally stored?

Which of these is an optical medium of storage?

Which of the following types of storage is/are used to transfer data from one computer to another?

Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?

Daniel wants to buy a desktop to use for playing games after work. He loves racing games and wants to make sure his laptop has all the specifications needed to run them smoothly and efficiently. Which of these factors should he consider?

We can use Unicode coding scheme to support a larger variety of characters including Chinese, Japanese, and Arabic.

Manny copied a table from a MS Excel file, closed the file, and then pasted the table in an MS Word document. Where did the copied table get stored after he copied it?

While naming a file on the computer, if we press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

Jason takes many photographs on his smartphone while on vacation in Italy. If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them?

In which format is data finally stored in computers?

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to perform the task?

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

A joystick is a pen-type input device used to draw and tap on icons.

Ryan wants to install a new operating system on his laptop, but first he needs to safely store all his data - over 80 GB - so he doesn't lose any of his files. How should Ryan back up all his data?

In which of the following storage device(s) does memory need to be constantly recharged to retain the contents?