Computer Science Exam Trivia Quiz!
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Questions and Answers
- 1.
What does RAM stand for?
- A.
Rather Angry Mule
- B.
Recollection And Memory
- C.
Random Access Memory
- D.
Residual Athropic Mentioning
Correct Answer
C. Random Access MemoryExplanation
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.Rate this question:
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- 2.
What does CPU stand for?
- A.
Core programming User
- B.
Central Processing Unit
- C.
Calculation Professor Unit
- D.
Counting Polly User
Correct Answer
B. Central Processing UnitExplanation
The CPU or central processing unit is the point where all data from the computer system is calculated and processed.Rate this question:
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- 3.
What does ROM stand for?
- A.
Read Only Memory
- B.
Ridiculous Old Man
- C.
Recollection Of Memory
- D.
Retro Omnom Multi
Correct Answer
A. Read Only MemoryExplanation
ROM or read only memory stores and saves information.Rate this question:
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- 4.
The register stores data that the processor is using.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
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- 5.
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...
Correct Answer
cacheExplanation
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.Rate this question:
- 6.
OS stands for...
Correct Answer
operating systemExplanation
operating system, e.g. Windows, Apple, Linux.Rate this question:
- 7.
How many bits are in a byte?
- A.
8
- B.
2
- C.
5
- D.
10
Correct Answer
A. 8Explanation
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.Rate this question:
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- 8.
Operating systems do the following:
- A.
Create a file system
- B.
Manages security through usernames and passwords
- C.
Creates HTML
- D.
Transfers programs into and out of memory
Correct Answer(s)
A. Create a file system
B. Manages security through usernames and passwords
D. Transfers programs into and out of memoryExplanation
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.Rate this question:
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- 9.
Assembly Code is a low level language.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
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- 10.
Select the correct components of a CPU.
- A.
Arithmetic and Logic Unit
- B.
Control Unit
- C.
Internal Buses
- D.
RAM
- E.
Logic Gates
- F.
Bill Gates
- G.
SRAM
Correct Answer(s)
A. Arithmetic and Logic Unit
B. Control Unit
C. Internal Buses
E. Logic GatesExplanation
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.Rate this question:
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- 11.
Write the DENARY number for the following BINARY number. Write using numbers only not text. 10001111
Correct Answer(s)
143Explanation
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.Rate this question:
- 12.
The following are all examples of APPLICATIONS:
- A.
Binary
- B.
Database
- C.
Denary
- D.
Word Processor
- E.
HTML
- F.
Spreadsheet
Correct Answer(s)
B. Database
D. Word Processor
F. SpreadsheetExplanation
No - this is just the mark up language for a web page - not a program in itselfRate this question:
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- 13.
Clock speed refers to?
- A.
The number of instructions the computer can process per second
- B.
The quality and speed of your computer's clock
- C.
The amount of information the register stores
- D.
The amount of space your hard drive has
Correct Answer
A. The number of instructions the computer can process per secondExplanation
the clock speed is measured in GHz.Rate this question:
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- 14.
What’s the biggest number a byte can represent?
- A.
0
- B.
128
- C.
31
- D.
255
Correct Answer
D. 255Explanation
a byte is 8 bits (11111111 is the biggest number in binary which in denary is 255)Rate this question:
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- 15.
RAW images have more data than JPEG images.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
RAW images are uncompressed images. Each pixel has its own colour valueRate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
May 09, 2016Quiz Created by
Conrad Romer
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