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COA_1114_Midterm

Authored by Chun-Jung Lin

Computers

University

Used 1+ times

COA_1114_Midterm
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

There are ____________ kilobytes in a terabyte.

2^10
2^20
2^30
2^40

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

kilohertz
megahertz
gigahertz
terahertz

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

ports
system buses
monitors
scanners

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

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

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