Computer Science Quiz

Standard voice-grade lines are designed to carry frequencies in the range of:

• 1.5 MHz to 15 MHz

• 56 KHz to 100 KHz

• 300 Hz to 3300 Hz

• 500 MHz to 1 MHz

Inputs of 1 and 0 to an XOR gate produce what output?

• 0

• 1

What is the positional value of the 1 in the binary number 100000?

• 32

• 8

• 64

• 16

Which of the OSI layers is involved with a network's electrical specifications?

• Network

• Session

• Physical

• Transport

ARPA was created in response to what major event in world history?

• The McCarthy hearings of the 1950s

• The inability of computers to communicate with one another

• The launch of Sputnik

Multitasking operating systems can serve many different _______ at once.

• User interfaces

• Program tasks

• Operating systems

• Users

Which topology has become more popular with the advent of the Internet and home networking?

• Star

• Bus

• Token ring

• Loop

What important concept is attributed to John Von Neumann?

• The stored program concept

• The discrete variable automation concept

• The large memory concept

• The virtual memory concept

What company controlled 70% or more of the computer marketplace in the '60s and '70s?

• Hollerith Machines

• Sperry-Univac

• International Business Machines

• Microsoft

What important pastry helped move your job up in the queue in second-generation software, and what third-generation software development made that pastry unnecessary?

• Donuts and time-sharing

• Donuts and integrated circuits

• Donuts and virtual memory

• Bear claws and multitasking