ACTUAL Exam Questions and CORRECT
Answers
A circuit board that contains all of the computer system's main components.
Sizes:
E-ATX: The largest size, known as 'extended ATX'.
ATX: The 'standard' size.
micro-ATX: Smaller than ATX.
mini-ITX: Even smaller still. - CORRECT ANSWER - Motherboard
where the virtualization occurs at the firmware level - CORRECT ANSWER - Type 1
Hypervisor
where the virtualization is done by a software program that runs on an operating system -
CORRECT ANSWER - Type 2 Hypervisor
kind of connector that the CPU processor has - CORRECT ANSWER - Socket
responsible for moving data btw components - CORRECT ANSWER - Buses
The internal operating unit or "brain" of a computer. - CORRECT ANSWER - CPU
(Central Processing Unit)
responsible for executing instructions - CORRECT ANSWER - Cores
dictates how many instructions the CPU can process each second
,* processor that can execute one instruction per second has a clock speed of 1 Hz (hertz) -
CORRECT ANSWER - Clock Speed
moving programs in and out of the CPU - CORRECT ANSWER - Context Switching
stores the computer's programs and data temporarily while power is on.
Factors:
DDR# stands for double data rate
*3
*4
* 5 - CORRECT ANSWER - RAM (Random Access Memory)
A processor on a video card used to create graphics. It takes the load off the CPU. - CORRECT
ANSWER - GPU (graphics processing unit)
A device used to absorb and pull away excessive or unwanted heat. - CORRECT
ANSWER - Heat Sinks
responsible for taking power from either the mains power supply or a battery (in the case of
laptops) and converting then delivering it to the computer components. - CORRECT
ANSWER - Power supply or Power Supply Unit (PSU)
used for powering hard drives - CORRECT ANSWER - SATA (Serial Advanced
Technology Attachment) data cable
runs to the motherboard - CORRECT ANSWER - ATX (Advanced Technology Extended)
cable
, runs to the graphics card - CORRECT ANSWER - PCI Express (PCIe)
the smallest unit of data in a computer
All data in a computer system is made up of bits:
1 byte is 8 bits.
1 kilobyte (kB) is 1000 bytes.
1 megabyte (MB) is 1000 kilobytes.
1 gigabyte (GB) is 1000 megabytes.
1 terabyte (TB) is 1000 gigabytes.
Oh, and 4 bits (half a byte) is called a nibble... - CORRECT ANSWER - Bits
1 byte is 8 bits.
1 kibibyte (KiB) is 1024 bytes.
1 mebibyte (MiB) is 1024 kibibytes.
1 gibibyte (GiB) is 1024 mebibytes.
1 tebibyte (TiB) is 1024 gibibytes. - CORRECT ANSWER - 1024 Byte
denary - CORRECT ANSWER - Notation:
0d
binary - CORRECT ANSWER - Notation:
0b
hexadecimal - CORRECT ANSWER - Notation:
0x