Computer Science Exam Trivia Quiz!

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2. What does CPU stand for?

Core programming User

Central Processing Unit

Calculation Professor Unit

Counting Polly User

The CPU or central processing unit is the point where all data from the computer system is calculated and processed.

Explanation

The CPU or central processing unit is the point where all data from the computer system is calculated and processed.

3. What does RAM stand for?

Rather Angry Mule

Recollection And Memory

Random Access Memory

Residual Athropic Mentioning

RAM or random access memory is where information from the hard drive is stored on to the RAM so the processor can access it much faster.

Explanation

RAM or random access memory is where information from the hard drive is stored on to the RAM so the processor can access it much faster.

4. Write the DENARY number for the following BINARY number. Write using numbers only not text. 10001111

The given binary number is 10001111. To convert this binary number to denary, we start from the rightmost digit and multiply each digit by 2 raised to the power of its position. Adding all the results, we get the denary number 143.

Explanation

The given binary number is 10001111. To convert this binary number to denary, we start from the rightmost digit and multiply each digit by 2 raised to the power of its position. Adding all the results, we get the denary number 143.

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5. How many bits are in a byte?

8

2

5

10

A byte is a unit of digital information that consists of 8 bits. Each bit represents a binary value of either 0 or 1. Therefore, there are 8 bits in a byte.

Explanation

A byte is a unit of digital information that consists of 8 bits. Each bit represents a binary value of either 0 or 1. Therefore, there are 8 bits in a byte.

6. What does ROM stand for?

Read Only Memory

Ridiculous Old Man

Recollection Of Memory

Retro Omnom Multi

ROM or read only memory stores and saves information.

Explanation

ROM or read only memory stores and saves information.

7. Match the Binary to the Decimal numbers.

00001

00101

10001

11111

00000

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8. The register stores data that the processor is using.

True

False

The register is a small, high-speed storage area within the processor that holds data and instructions that the processor is currently using. It allows for quick access and retrieval of data, which helps in improving the overall performance of the processor. Therefore, the statement that the register stores data that the processor is using is true.

Explanation

The register is a small, high-speed storage area within the processor that holds data and instructions that the processor is currently using. It allows for quick access and retrieval of data, which helps in improving the overall performance of the processor. Therefore, the statement that the register stores data that the processor is using is true.

9. This is a small block of fast memory stored in the CPU or in-between the CPU and memory. this can be accessed much faster than the main memory and if this was removed your computer would run at 10% the current speed, this is...

Cache is a small block of fast memory stored in the CPU or in-between the CPU and memory. It can be accessed much faster than the main memory. If the cache was removed, the computer would run at 10% of its current speed. Therefore, the correct answer is cache.

Explanation

Cache is a small block of fast memory stored in the CPU or in-between the CPU and memory. It can be accessed much faster than the main memory. If the cache was removed, the computer would run at 10% of its current speed. Therefore, the correct answer is cache.

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10. Match the bits to their name:

8 bits

4 bits

8,388,608 bits

8192 bits

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11. Assembly Code is a low level language.

True

False

Assembly code is indeed a low-level language. It is a type of programming language that is closely related to machine code and is specific to a particular computer architecture. Assembly code uses mnemonic instructions that directly correspond to the machine code instructions of the computer's processor. It is considered low-level because it provides a close representation of the hardware and allows for direct manipulation of the computer's resources, such as registers and memory. This makes assembly code more efficient and faster than high-level languages, but also more complex and harder to write and understand.

Explanation

Assembly code is indeed a low-level language. It is a type of programming language that is closely related to machine code and is specific to a particular computer architecture. Assembly code uses mnemonic instructions that directly correspond to the machine code instructions of the computer's processor. It is considered low-level because it provides a close representation of the hardware and allows for direct manipulation of the computer's resources, such as registers and memory. This makes assembly code more efficient and faster than high-level languages, but also more complex and harder to write and understand.

12. Clock speed refers to?

The number of instructions the computer can process per second

The quality and speed of your computer's clock

The amount of information the register stores

The amount of space your hard drive has

the clock speed is measured in GHz.

Explanation

the clock speed is measured in GHz.

13. RAW images have more data than JPEG images.

True

False

RAW images are uncompressed images. Each pixel has its own colour value

Explanation

RAW images are uncompressed images. Each pixel has its own colour value

14. What's the biggest number a byte can represent?

0

128

31

255

a byte is 8 bits (11111111 is the biggest number in binary which in denary is 255)

Explanation

a byte is 8 bits (11111111 is the biggest number in binary which in denary is 255)

15. The following are all examples of APPLICATIONS:

Binary

Database

Denary

Word Processor

HTML

Spreadsheet

No - this is just the mark up language for a web page - not a program in itself

Explanation

No - this is just the mark up language for a web page - not a program in itself

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16. Operating systems do the following:

Create a file system

Manages security through usernames and passwords

Creates HTML

Transfers programs into and out of memory

Operating systems perform several essential functions, including creating a file system, managing security through usernames and passwords, and transferring programs into and out of memory. Creating a file system involves organizing and managing files on a storage device. Managing security through usernames and passwords ensures that only authorized users can access the system and its resources. Transferring programs into and out of memory involves loading programs from storage into memory for execution and saving them back to storage when they are no longer needed. These functions are fundamental to the operation and management of an operating system.

Explanation

Operating systems perform several essential functions, including creating a file system, managing security through usernames and passwords, and transferring programs into and out of memory. Creating a file system involves organizing and managing files on a storage device. Managing security through usernames and passwords ensures that only authorized users can access the system and its resources. Transferring programs into and out of memory involves loading programs from storage into memory for execution and saving them back to storage when they are no longer needed. These functions are fundamental to the operation and management of an operating system.

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17. Match the following.

Input device that tracks movement

Output - display

Output - hard copy

Input and Output

Output - actions a physical movement

Input - inputting text and numbers

Input - real world data

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18. Select the correct components of a CPU.

Arithmetic and Logic Unit

Control Unit

Internal Buses

RAM

Logic Gates

Bill Gates

SRAM

The correct components of a CPU are the Arithmetic and Logic Unit (ALU), Control Unit, Internal Buses, and Logic Gates. The ALU performs mathematical operations and logical comparisons, while the Control Unit coordinates and controls the flow of data within the CPU. Internal Buses are responsible for transferring data between different components of the CPU. Logic Gates are electronic circuits that perform basic logical operations. These components work together to execute instructions and perform calculations in a CPU.

Explanation

The correct components of a CPU are the Arithmetic and Logic Unit (ALU), Control Unit, Internal Buses, and Logic Gates. The ALU performs mathematical operations and logical comparisons, while the Control Unit coordinates and controls the flow of data within the CPU. Internal Buses are responsible for transferring data between different components of the CPU. Logic Gates are electronic circuits that perform basic logical operations. These components work together to execute instructions and perform calculations in a CPU.

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