Quiz #4: Hardware
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Completion
- CPU stands for ________ ________ ________.
Answer
central processing unit
- ALU stands for ________ ________ ________.
Answer
arithmetic logic unit
- GPU stands for ________ ________ ________.
Answer
graphics processing unit
- RAM stands for ________ ________ ________.
Answer
random access memory
- ROM stands for ________ ________ ________.
Answer
read only memory
- PDA stands for ________ ________ ________.
Answer
personal digital assistant
- I/O stands for ________/________.
Answer
input/output
- OCR stands for ________ ________ ________.
Answer
optical character recognition
- MIPS stands for _______ ________ ________ ________.
Answer
million instructions per second
- RSI stands for ________ ________ ________.
Answer
repetitive stress injury
- MICR stands for _______ ________ ________ ________.
Answer
magnetic ink character recognition
- CRT stands for ________ ________ ________.
Answer
cathode ray tube
- LCD stands for ________ ________ ________.
Answer
liquid crystal display
- DPI stands for ________ ________ ________.
Answer
dots per inch
- USB stands for ________ ________ ________.
Answer
universal serial bus
- RAID stands for _______ ________ ________ ________.
Answer
redundant array of independent disks
- DASD stands for _______ ________ ________ ________.
Answer
direct access storage device
- SSD stands for ________ ________ ________.
Answer
solid state disk
- NAS stands for ________ ________ ________.
Answer
network-attached storage
- SAN stands for ________ ________ ________.
Answer
storage area network
Short answer
- What is a motherboard?
Answer
The motherboard is the main board of the computer to which
all of the components connect.
- What is a peripheral?
Answer
A peripheral is a device located off the motherboard which
is controlled by the computer.
- Define the word bus as it applies to computer hardware.
Answer
A bus is a set of communication lines (basically little wires)
that carry instructions, data, and signals.
- Name two keyboard layouts.
Answer
QWERTY (the old standard), and Dvorak (a newer, more
efficient design).
- Define the term ergonomic.
Answer
Ergonomic means something is designed for safety and comfort.
- Define the term pixel.
Answer
Pixel stands for "picture element." It is the name given to
the small dots that make up a vide display.
- Describe the differences between primary and secondary memory.
Note: The text refers to primary memory as internal memory, and
secondary memory as external memory.
Answer
Primary memory is fast, in relatively short supply, expensive,
and usually volatile. Secondary memory is slower, cheaper, and often in relatively
large supply when compared to primary memory. Secondary memory is almost always
non-volatile.
- List five considerations when evaluating storage media.
Answer
Here are seven:
- use of stored data
- amount of stored data
- speed
- device size and portability
- cost
- reliability
- life expectancy
Matching
Identify the letter of the choice that best matches the phrase or definition.
- hardware
- byte
- software
- multithreading
- bit
- multitasking
- parallel processing
- sequential access
- direct (random) access
- programs
Answer
C (software)
- the physical components of a computer
Answer
A (hardware)
- the ability to get to records in any order
Answer
I (direct access, random access)
- the smallest unit of data in a computer
Answer
E (bit)
- more than one processor operating at the same time
Answer
G (parallel processing)
- running more than one program at a time
Answer
F (multitasking)
- a grouping of eight bits
Answer
B (byte)
- the ability to get to records one after the other (in order)
Answer
H (sequential access)
- running more than one part of a single program
Answer
D (multithreading)