Computer Control Unit Operations
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Questions and Answers

What is the smallest unit of storage in a computer?

  • Nibble
  • Word
  • Bit (correct)
  • Byte

How many bits form one byte?

  • 2
  • 4
  • 8 (correct)
  • 16

What does a nibble refer to in a computer?

  • 32 bits
  • 4 bits (correct)
  • 16 bits
  • 8 bits

What forms the basic information unit of a computer?

<p>Word (D)</p> Signup and view all the answers

What is the function of the control unit in a computer?

<p>Directing the operations of the ALU, memory, and input-output devices (C)</p> Signup and view all the answers

What is the primary function of registers in a CPU?

<p>High-speed temporary storage of data and instructions (C)</p> Signup and view all the answers

What is the function of the data bus in a computer?

<p>Carrying data and information between different parts of the computer (C)</p> Signup and view all the answers

Which type of memory is non-volatile and comes pre-loaded with software for booting and operating the computer hardware?

<p>Programmable Read-Only Memory (PROM) (D)</p> Signup and view all the answers

What is an important function of computer memory?

<p>Storing the data and instructions of the computer (D)</p> Signup and view all the answers

What is the distinguishing feature of Electrically Erasable Programmable Read-Only Memory (EEPROM) compared to other ROM types?

<p>It can be erased and rewritten electrically (C)</p> Signup and view all the answers

What type of memory is typically used as cache memory due to its speed and cost characteristics?

<p>Static Random Access Memory (SRAM) (A)</p> Signup and view all the answers

What is the function of ROM in storing a basic set of instructions called Basic Input-Output System (BIOS)?

<p>Boot and operate the computer hardware (A)</p> Signup and view all the answers

What type of memory is RAM and why is it given this name?

<p>Randomly Accessed Memory, because data can be accessed in any order (C)</p> Signup and view all the answers

Why is SRAM considered different from DRAM?

<p>SRAM retains stored information as long as the power supply is on, while DRAM slowly loses stored information (A)</p> Signup and view all the answers

How does the word size of a computer impact its speed?

<p>A larger word size means a faster computer (D)</p> Signup and view all the answers

What type of memory loss occurs in DRAM and how is it distinct from SRAM?

<p>DRAM experiences data loss when the power supply is turned off, while SRAM retains stored information as long as power supply is on (A)</p> Signup and view all the answers

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