CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about IBM 7090 is correct in the history of computing?
A. was an influential early minicomputer-era transistorized machine from DEC
B. was the organization where the transistor was invented
C. became a major main-memory technology during the transistor era
D. was a transistorized scientific computer in IBM's 7000 series
Correct Answer: D
IBM 7090 was a transistorized scientific computer in IBM's 7000 series.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about IBM 1401 is correct in the history of computing?
A. was a transistorized scientific computer in IBM's 7000 series
B. was an influential early minicomputer-era transistorized machine from DEC
C. was designed for business data-processing applications and emerged around the second-generation era
D. became a highly successful transistorized business computer
Correct Answer: D
IBM 1401 became a highly successful transistorized business computer.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about Bell Labs is correct in the history of computing?
A. was a transistorized scientific computer in IBM's 7000 series
B. was especially important for scientific and engineering programming in the second-generation era
C. was an early transistorized commercial computer designed under Seymour Cray
D. was the organization where the transistor was invented
Correct Answer: D
Bell Labs was the organization where the transistor was invented.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about transistor is correct in the history of computing?
A. was an influential early minicomputer-era transistorized machine from DEC
B. reduced size, heat, and power consumption compared with vacuum tubes
C. was a transistorized scientific computer in IBM's 7000 series
D. made symbolic programming more practical than raw machine code
Correct Answer: B
transistor reduced size, heat, and power consumption compared with vacuum tubes.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about machine code is correct in the history of computing?
A. was the principal programming level for many first-generation systems
B. was completed in the mid-1940s
C. served as the main electronic switching/amplifying device in first-generation computers
D. was produced commercially by Eckert-Mauchly/Remington Rand
Correct Answer: A
machine code was the principal programming level for many first-generation systems.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about magnetic drum is correct in the history of computing?
A. was the principal programming level for many first-generation systems
B. was developed by J. Presper Eckert and John Mauchly
C. was used as memory/storage in several first-generation machines
D. was IBM's first commercial scientific computer
Correct Answer: C
magnetic drum was used as memory/storage in several first-generation machines.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about punched card is correct in the history of computing?
A. was used as memory/storage in several first-generation machines
B. served as the main electronic switching/amplifying device in first-generation computers
C. was a common input medium for early computers
D. was completed in the mid-1940s
Correct Answer: C
punched card was a common input medium for early computers.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about vacuum tube is correct in the history of computing?
A. used thousands of vacuum tubes and is a landmark first-generation electronic general-purpose digital computer
B. was produced commercially by Eckert-Mauchly/Remington Rand
C. was used as memory/storage in several first-generation machines
D. served as the main electronic switching/amplifying device in first-generation computers
Correct Answer: D
vacuum tube served as the main electronic switching/amplifying device in first-generation computers.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about IBM 701 is correct in the history of computing?
A. was produced commercially by Eckert-Mauchly/Remington Rand
B. was developed by J. Presper Eckert and John Mauchly
C. served as the main electronic switching/amplifying device in first-generation computers
D. was IBM's first commercial scientific computer
Correct Answer: D
IBM 701 was IBM's first commercial scientific computer.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about UNIVAC I is correct in the history of computing?
A. was produced commercially by Eckert-Mauchly/Remington Rand
B. served as the main electronic switching/amplifying device in first-generation computers
C. was IBM's first commercial scientific computer
D. was an early practical stored-program electronic computer built at Cambridge
Correct Answer: A
UNIVAC I was produced commercially by Eckert-Mauchly/Remington Rand.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about Manchester Baby is correct in the history of computing?
A. was produced commercially by Eckert-Mauchly/Remington Rand
B. helped popularize the stored-program concept in early computer design
C. is widely regarded as the first electronic stored-program computer to run a program
D. used thousands of vacuum tubes and is a landmark first-generation electronic general-purpose digital computer
Correct Answer: C
Manchester Baby is widely regarded as the first electronic stored-program computer to run a program.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about EDSAC is correct in the history of computing?
A. was an early practical stored-program electronic computer built at Cambridge
B. helped popularize the stored-program concept in early computer design
C. was used as memory/storage in several first-generation machines
D. served as the main electronic switching/amplifying device in first-generation computers
Correct Answer: A
EDSAC was an early practical stored-program electronic computer built at Cambridge.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about EDVAC is correct in the history of computing?
A. was completed in the mid-1940s
B. was produced commercially by Eckert-Mauchly/Remington Rand
C. was used as memory/storage in several first-generation machines
D. helped popularize the stored-program concept in early computer design
Correct Answer: D
EDVAC helped popularize the stored-program concept in early computer design.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which statement about ENIAC is correct in the history of computing?
A. served as the main electronic switching/amplifying device in first-generation computers
B. used thousands of vacuum tubes and is a landmark first-generation electronic general-purpose digital computer
C. was completed in the mid-1940s
D. was developed by J. Presper Eckert and John Mauchly
Correct Answer: B
ENIAC used thousands of vacuum tubes and is a landmark first-generation electronic general-purpose digital computer.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input XNOR gate, what is the output when A=1 and B=1?
A. Depends on clock speed
B. Undefined
C. 1
D. 0
Correct Answer: C
Applying the XNOR truth table to A=1, B=1 gives 1.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input XNOR gate, what is the output when A=1 and B=0?
A. Undefined
B. 0
C. 1
D. Depends on clock speed
Correct Answer: B
Applying the XNOR truth table to A=1, B=0 gives 0.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input XNOR gate, what is the output when A=0 and B=1?
A. 0
B. Depends on clock speed
C. 1
D. Undefined
Correct Answer: A
Applying the XNOR truth table to A=0, B=1 gives 0.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input XNOR gate, what is the output when A=0 and B=0?
A. 1
B. Undefined
C. 0
D. Depends on clock speed
Correct Answer: A
Applying the XNOR truth table to A=0, B=0 gives 1.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input NOR gate, what is the output when A=1 and B=1?
A. 1
B. 0
C. Depends on clock speed
D. Undefined
Correct Answer: B
Applying the NOR truth table to A=1, B=1 gives 0.
CSS - PMS - CCE - PCS - Basic Computing
Computer Fundamentals
For a two-input NOR gate, what is the output when A=1 and B=0?
A. Undefined
B. 0
C. 1
D. Depends on clock speed
Correct Answer: B
Applying the NOR truth table to A=1, B=0 gives 0.