Question 1

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' that is entered on the keyboard into its corresponding ASCII binary code and stores it in the memory unit. This binary code is then converted back into the letter 'A' for display on the screen.

Question 2

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 considered an optical medium of storage as they use lasers to read and write data onto the disc surface. Solid state drives, cloud storage, and HDDs are not considered optical mediums of storage.

Question 3

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

Accepted Answer

A joystick is a type of input device used mainly for gaming and controlling movement in video games. It typically consists of a stick that can be moved in different directions and buttons for additional functions. It is not used for drawing or tapping on icons.

Question 4

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 types of internal memory used in a computer system. They cannot be used to transfer data from one computer to another. External Hard Drive and Optical Media such as CDs, DVDs, and memory cards are commonly used to transfer data between computers. Therefore, the best choice(s) for transferring data from one computer to another are External Hard Drive and Optical Media.

Question 5

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 the two most important factors to consider when purchasing a desktop for gaming. Racing games are typically demanding in terms of processing power and require a lot of memory to run smoothly. Therefore, it is important to choose a desktop with a powerful processor and a sufficient amount of RAM. Size and external hard disk capacity are not as critical for gaming performance.

Question 6

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

Accepted Answer

Peripheral devices such as USB flash drives are usually connected to a computer through ports like USB ports or HDMI ports.

Question 7

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

All of the choices are important factors to consider when purchasing a computer.

Question 8

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 two important components of CPU that help in processing input into output are the Control Unit and Arithmetic Logic Unit (ALU). The Control Unit coordinates and controls the flow of data within the CPU, while the ALU performs arithmetic and logical operations on the data. The Hard Drive is used for long-term storage, while RAM is used for short-term storage of data. Therefore, options A, B, and C are incorrect.

Question 9

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

Data is ultimately stored in computers in binary format, which consists of 0's and 1's. This is the language that computers use to process and store information.

Question 10

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

DRAM requires constant refreshing of its stored data to retain its contents. If the data is not refreshed, it will start to degrade and eventually be lost. The other options (SRAM, MRAM, and Flash) do not require constant refreshing to retain their data.

Question 11

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 typically stored on the internal hard drive of a computer.

Question 12

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 generally more powerful than laptops, tablets or smartphones. They also offer more flexibility in terms of upgrading components such as the processor, RAM or graphics card. However, they are less portable than the other options.

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 allows Jason to access his photos from multiple devices as long as he has an internet connection. RAM and ROM are not options for long-term storage and compact disks can easily be lost or damaged.

Question 14

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

Accepted Answer

Unicode coding scheme is designed to support a wide range of characters including Chinese, Japanese, Arabic, and various other scripts and symbols from different writing systems around the world.

Question 15

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

Since Ryan has over 80 GB of data to store, using a memory card or DVD would not be feasible as they have limited storage capacities. Using the internal hard drive of his laptop is also not a good option as it would not provide backup in case the laptop fails or crashes. Therefore, the best option for Ryan would be to use an external hard drive with a large storage capacity to safely store all his data.

Question 16

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

Accepted Answer

All-in-one computers have the components integrated into the monitor, making it harder to service and upgrade. However, they take up less space than a typical desktop computer.

Question 17

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

Increasing the RAM on her laptop will provide more space for temporary storage of data, which will help her laptop perform better even when using multiple applications simultaneously. Using an external hard disk drive or saving data on a DVD may free up space on her hard disk drive, but it will not directly impact the performance of her laptop. Replacing the hard disk drive with one that provides lesser storage capacity is not necessary and may even result in her having to constantly manage the storage of her data.

Question 18

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 portable, lightweight, and sufficient for browsing the internet, reading emails, and storing basic data, making it ideal for travel.

Question 19

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

The copied table from MS Excel was stored in Manny's computer's RAM before he pasted it in the MS Word document. RAM (Random Access Memory) is a type of computer memory that is used to temporarily store data and instructions that a computer is currently working on. Once the computer is turned off, any data stored in RAM is lost.

Question 20

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 can easily convert a physical copy of his graduation certificate into an electronic file that can be emailed to his prospective employer. This is the most efficient and effective option to perform the task. Using a plotter, digital pen, or projector would not be relevant or useful in this situation.

Quiz 3: Performing Calculations With Formulas and Functions

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?

Which of these is an optical medium of storage?

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

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

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?

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

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

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

In which format is data finally stored in computers?

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

Where on a computer is the operating system generally stored?

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

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?

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

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?

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

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?

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?

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?