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16 Questions

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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?

8 (correct)

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?

Word Signup and view all the answers

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

Directing the operations of the ALU, memory, and input-output devices Signup and view all the answers

What is the primary function of registers in a CPU?

High-speed temporary storage of data and instructions Signup and view all the answers

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

Carrying data and information between different parts of the computer 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?

Programmable Read-Only Memory (PROM) Signup and view all the answers

What is an important function of computer memory?

Storing the data and instructions of the computer Signup and view all the answers

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

It can be erased and rewritten electrically Signup and view all the answers

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

Static Random Access Memory (SRAM) 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)?

Boot and operate the computer hardware Signup and view all the answers

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

Randomly Accessed Memory, because data can be accessed in any order Signup and view all the answers

Why is SRAM considered different from DRAM?

SRAM retains stored information as long as the power supply is on, while DRAM slowly loses stored information Signup and view all the answers

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

A larger word size means a faster computer Signup and view all the answers

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

DRAM experiences data loss when the power supply is turned off, while SRAM retains stored information as long as power supply is on Signup and view all the answers