CAOPRELIM Flashcards
Which component is often referred to as the “brain” of the computer?
Motherboard
Hard drive
Microprocessor
X RAM
Microprocessor
Gordon Moore’s observation, known as______ states that the number of transistors on a microchip doubles about every two years.
Moore’s Law
The_____ designed by Charles Babbage was an early mechanical calculator capable of solving complex mathematical problems.
Difference Engine
computer memory measurement, what comes after Terabyte in terms of increasing capacity?
Petabyte
Gigabyte
Zettabyte
Exabyte
Petabyte
In binary, each digit is called a____ and 8 of these make up one byte.
bit
Which of the following represents one billion bytes?
Terabyte
Petabyte
Gigabyte
Megabyte
Gigabyte
The “von Neumann bottleneck” refers to:
The limited processing speed of early CPUs
The difficulty in programming early computers
The high cost of computer memor
The single data path between CPU and main memory
The single data path between CPU and main memory
In the decimal number system, the value of a digit depends solely on the digit itself, not its position.
True False
False
What does ROM stand for?
Rapid Output Management
Read-Only Memory
Runtime Optimization Module
Random Operating Memory
Read-Only Memory
Which type of port sends data as a single pulse along at least eight data lines?
Serial port
USB port
Ethernet port
Parallel port
Parallel port
Which of the following is an example of secondary storage?
RAM
CPU
registers Cache
Hard disk drive
Hard disk drive
The ASCII code uses 7 bits and has 256 possible codes.
True False
False
The ASCII code uses 7 bits and has 256 possible codes.
True False
False
What does the Principle of Equivalence of Hardware and Software state?
Any task done by software can also be done using hardware, and vice versa.
Hardware is always faster than software.
Hardware and software cannot perform the same tasks.
Software is always more efficient than hardware.
Any task done by software can also be done using hardware, and vice versa.
ISCII is a universal encoding standard used to support all languages worldwide.
True False
False
In the decimal number system, what does the value of a digit depend on?
The sum of all digits in the number.
Its position within the number.
Its numerical value only.
The total number of digits in the number.
Its position within the number.