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WorksheetsFCT10010-S Week 2 Recap
Total questions: 21
Worksheet time: 10mins
What's the main difference between a RAM and a hard disk?
RAM has a much larger storage capacity than a hard disk.
Hard disk is faster than RAM in accessing data.
RAM is non-volatile while hard disk is volatile.
RAM stores data temporarily while hard disk stores data long term.
The ________ is a case that houses the electronic components of the computer.
system unit
processor
system board
storage devices
Computers use ______ ______ that has only two unique digits, 0 and 1.
decimal system
binary system
programming language
computer language
A group of 8 bits can be combined to form a character. What is that group called?
Gigabyte
Megabyte
Kilobyte
Byte
The CPU (Central Processing Unit) is also known as the brain of the computer.
False
True
What are the two components that a processor consist of?
RAM and graphic card
control unit and arithmetic logic unit
RAM and control unit
arithmetic logic unit and grphic card
The function of the CPU is to ...
execute program instructions of the software.
to manage network and device connections.
handle peripheral devices such as input and output hardware.
store and access data and instructions.
What is the function of the control unit in the CPU?
To direct and coordinate computer operations between the RAM and ALU.
To manage external devices.
To perform arithmetic operations and calculations.
To control the power supply of the CPU
What is the function of the arithmetic logic unit (ALU) in the CPU?
To direct and coordinate computer operations as well as giving instructions.
To manage the speed of the control unit.
To perform arithmetic and logical operations.
To control the power supply of the CPU
A hexa-core processor has (a) processor cores integrated into a single chip.
Which of the following is not part of the machine cycle of the CPU?
Initiating
Decoding
Executing
Storing
Registers and cache are memories stored in the _________.
RAM
CPU
HDD
SSD
Which of the following is another term for primary storage?
HDD
ROM
RAM
CMOS
Which of the following is not a secondary storage?
registers
SSD
CD-ROM
HDD
A hard drive stores data on the spinning disks using a read/write magnetic head. Data can be destroyed in a hard drive when the head makes physical contact with the spinning platter.
False
True
HDD is more expensive than the SSD as it uses fragile mechanical parts to store memory.
False
True
Which of the following is not a benefit of using cloud storage?
It is more secure than physical storages.
it can be accessed anywhere from any devices with internet connection.
It is cheaper per GB than using external drives.
It provides a collaborative space to share work or files.
Which optical discs allows users to read data but not write or erase data?
CD-RW/DVD-RW
CD-R/DVD-R
CD-ROM/DVD-ROM
Which of the following about Complementary Metal-Oxide Semiconductor (CMOS) is false.
It is a non-volatile memory.
It stores time and date data.
It is battery powered.
It cannot be reporgrammed or modified.
Which of the following coding scheme can encode Chinese characters?
ASCII
Unicode
EBCDIC
None of the above.
Which of the following encoding uses one character encoding?
ASCII
Unicode
EBCDIC
None of the above.
