COA_1122_Midterm(進)

Suppose someone writes a program to find the perfect solution to a problem, but it will take 200 years to run. We say that this particular solution is:

• computationally infeasible
• an infinite loop
• computationally tenable
• NP complete

Computer ______________ concerns itself with instruction sets and formats, operation codes, data types, the number and types of registers, addressing modes, main memory access methods, and various I/O mechanisms.

• layers
• architecture
• organization
• programming

There are ____________ kilobytes in a terabyte.

• 2^10
• 2^20
• 2^30
• 2^40

Clock speeds in today's microprocessors are measured in ________ .

• kilohertz
• megahertz
• gigahertz
• terahertz

__________ allow movement of data to and from devices external to the computer.

• ports
• system buses
• monitors
• scanners

The level of the computer hierarchy that is composed of gates and wires is the ______.

• control level
• machine level
• system software level
• digital logic level

The computer component that makes sure that instructions are decoded and executed properly is the ___________.

• arithmetic-logic unit
• control unit
• floating-point unit
• graphics processing unit

Platform as a Service (PaaS) replaces the _________ of the computer hierarchy with an Internet-based platform.

• digital logic level through user levels
• digital logic level through high-level language levels
• system software level through high-level language levels
• digital logic level through machine levels

Cloud storage is a limited form of ____________.

• Software as a Service (SaaS)
• Platform as a Service (PaaS)
• Infrastructure as a Service (IaaS)
• Data as a Service (DaaS)

Deep Blue beat a human chess Grandmaster using ______ methods.

• cognitive
• numerical
• hardwired
• brute force