
CH 4 Hardware Test
Quiz
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others
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Practice Problem
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Hard
Kristen Bardelli
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) The ________ is the brain of the computer.
A) ALU
B) RAM
C) CPU
D) BIOS
Answer explanation
The CPU (Central Processing Unit) is known as the brain of the computer because it performs calculations and processes instructions, making it essential for executing tasks and running programs.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) The central processing unit consists of the control unit and the ________.
A) RAM
B) memory
C) ALU
D) BIOS
Answer explanation
The central processing unit (CPU) consists of the control unit and the Arithmetic Logic Unit (ALU). The ALU performs all arithmetic and logical operations, making it a crucial component of the CPU.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4) Fetch, decode, execute, and store are called the ________ cycle.
A) processing
B) control
C) instruction
D) management
Answer explanation
The correct answer is C) instruction. The fetch, decode, execute, and store steps are part of the instruction cycle, which describes how a CPU processes instructions in a program.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5) Today's processor speeds are measured in ________.
A) KHz
B) MHz
C) GHz
D) THz
Answer explanation
Today's processor speeds are primarily measured in GHz (gigahertz), which represents billions of cycles per second. While KHz and MHz were used in earlier technologies, GHz is the standard for modern processors.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6) ________ uses multiple processors, or multi-core processors, to share processing tasks.
A) Distributed processing
B) Parallel processing
C) Pipelining
D) Serial processing
Answer explanation
B) Parallel processing is the correct choice as it involves using multiple processors or multi-core processors to perform tasks simultaneously, enhancing performance and efficiency.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7) When the CPU retrieves an instruction from the main memory, that is known as the ________ process.
A) pipelining
B) instruction
C) execution
D) fetch
Answer explanation
When the CPU retrieves an instruction from main memory, it is called the 'fetch' process. This is the first step in the instruction cycle, where the CPU gets the instruction to execute.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9) Forcing a processor to run at speeds higher than it was designed to perform is known as
A) supercharging
B) overclocking
C) throttling
D) turbocharging
Answer explanation
Forcing a processor to run at speeds higher than its designed performance is called overclocking (B). This practice can enhance performance but may also lead to overheating and instability.
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