COSC 3305 Exam Questions and Answers Latest Update Graded A+

COSC 3305 Exam Questions and Answers Latest Update Graded A+ A processor, an I/O mechanism and memory - Answers At the most basic level, a computer is a device consisting of what three pieces 2^10 - Answers Expressed as a power of two there are how many kilobytes in a megabyte 2^20 - Answers Expressed as a power of two there are how many megabytes in a terabyte 40 - Answers A terabyte represents what power of two 106 - Answers How many nanoseconds are in a millisecond 10 - Answers A kilobyte represents what power of two 30 - Answers A gigabyte represents what power of two Aspect ratio - Answers The ratio of horizontal pixels to vertical pixels that a monitor can display is its what? Rock's law - Answers The statement "The cost of capital equipment to build semiconductors will double every four years."is known as what? Registers, an arithmetic-logic unit and a control unit - Answers In the Von Neumann architecture, the central processing unit consists of what three components? The Harvard architecture - Answers Computers designed using what archetecture have two buses: one for data and one for instructions Multi core architecture - Answers Computer chips having multiple processing units on a single chip are what kind of architecture F - Answers T/F Computer architecture encompasses all physical aspects of computer systems T - Answers T/F Any task done by software can also be done using computer hardware, and any operation performed directly by hardware can be done using software F - Answers T/F At its most basic level, a computer consists of only two parts: A processor and an I/O device. F - Answers T/F There are one billion microseconds in a second T - Answers T/F We can be certain that a mebibyte always consists of 2^20 bytes F - Answers T/F Peripheral component interconnect is the recommended replacement for SATA F - Answers T/F Hot plugging means the same thing as plug-and-play T - Answers T/F color depth reflects the number of colors that can be displayed on an LCD screen at one time F - Answers T/F The continuation fo Moore's Law is helped by Rock's Law F - Answers T/F The control level is above the machine level in the computer level hierarchy F - Answers T/F A control unit consists of a central processing unit with an arithmetic logic unit and registers T - Answers T/F Congnitive computing can make inferences within a problem's context using hard facts and incomplete information T - Answers T/F Overflow is indicated when the carry in to the high-order bit is not equal to the carry out F - Answers T/F Signed-magnitude and two's complement both have two representations for zero F - Answers T/F The range of decimal values that can be expressed in seven bits using binary two's complement is -32 to 31 T - Answers T/F divide under flow can occur when the divisor in a division operation is greater than zero