#1
The first electronic computer and was completed in 1946
AENIAC
BUNIVAC
CEDVAC
DWhirlwind I
#2
ENIAC was developed at
AUniversity of Pennsylvania
BMassachusetts Institute of technology
CCambridge University
DBell Laboratories
#3
ENIAC consisted of how many vacuum tubes?
A1,500 tubes
B3,575 tubes
C13,575 tubes
D18,000 tubes
#4
ENIAC could perform _______ additions or up to _______ multiplications per second
A1,000 / 100
B1,500 / 150
C3,000 / 300
D5,000 / 500
#5
Whirlwind I, developed at Masachussets Institute of Technology is capable of _______ operations per second
A1,000
B5,000
C10,000
D20,000
#6
Refers to the increased use of data conversion circuits as a result of increased application
AOp Amps
BLinear Circuit
CComputers
DDigital Equipment
#7
What is a group of circuits that provides timing and signals to all operation in the computer?
AOutput unit
BMemory unit
CControl unit
DInput unit
#8
Refers to the part of computer that performs mathematical operations
ACPU
BFlip-flop
CAssembly language
DALU
#9
What does ALU which carries arithmetic and logic operations process?
ABinary coded decimal
BHexadecimal numbers
COctal numbers
DBinary numbers
#10
Electronics methodology in solving application problems using circuits, in which there are only two possible voltage levels
Adigital electronics
Bswitching techniques
Cstate diagramming
Dbistable electronics
#11
Find the radix-minus one complement of (110.1101)2
A111.0010
B010.0011
C1.001
D001.0010
#12
Give the true complement of (1101.110)2
A0010.0011
B10.0011
C10.01
D0010.0100
#13
Methods used in simplifying Boolean Algebra
AKarnaugh map
Bmap-entered variable technique
CQuine-McCluskey tabular method
Dall of them
#14
What level is used to represent logic 1 in a negative logic circuit?
Anegative transition level
Blow level
Cpositive transition level
Dhigh level
#15
What level is used to represent logic "0" in a negative logic circuit?
Ahigh level
Blow level
Cnegative transmission level
Dpositive transition level
#16
To cause a three-state buffer to output 0-1 levels, the ff must be true:
Athe output enable must be false
Bthe output enable must be true
Cthe information must have been stored in the buffer
Dthe signal OE must be at logic 1
#17
The rapidly flashing probe tip tells you that the logic node being probe
Ahas rapidly changing logic activity
Bis struck
Cis at an illegal logic level
Dhas an unstable logic activity
#18
________ is a single bit comparator
AWired OR
BExclusive OR
CNOR gate
DExclusive NOR
#19
__________ refers to the class of logic circuit containing flip-flops
ACombinational
BSequential
CLinear
DFeedback
#20
What is the counter that follows the binary sequence?
ABinary counter
BSimplex counter
CShift counter
DDecimal counter