CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which of the following is a fourth-generation personal computer?
A. Apple II
B. ENIAC
C. EDSAC
D. IBM 1401
Correct Answer: A
A is correct because Apple II was a microprocessor-based personal computer. B and C are first-generation machines. D is a second-generation transistor computer.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which development is a defining feature of fourth-generation computing?
A. Personal computers
B. Exclusive use of vacuum tubes
C. Return to punched-card-only operation
D. No networking capability
Correct Answer: A
A is correct because microprocessors and VLSI made affordable personal computers possible. B and C describe earlier technology. D is false because networking expanded greatly during the fourth generation.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Very Large Scale Integration, abbreviated VLSI, is most strongly associated with the:
A. First generation
B. Second generation
C. Fourth generation
D. Mechanical era
Correct Answer: C
C is correct because VLSI enabled thousands and later millions of transistors to be placed on chips, supporting microprocessors and personal computers. A and B used earlier component technologies. D used mechanical devices.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
The Intel 4004 is significant because it is widely recognized as:
A. The first commercially available microprocessor
B. The first vacuum tube
C. The first magnetic core memory
D. The first web browser
Correct Answer: A
A is correct because the Intel 4004 is widely regarded as the first commercially available single-chip microprocessor. B and C predate it. D appeared much later.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which company introduced the Intel 4004 microprocessor?
A. IBM
B. Intel
C. Microsoft
D. Digital Equipment Corporation
Correct Answer: B
B is correct because Intel introduced the 4004 in 1971. IBM made many computer systems, Microsoft is mainly a software company, and Digital Equipment Corporation produced minicomputers but not the Intel 4004.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
The microprocessor made it possible to place the CPU:
A. Across several rooms of vacuum tubes
B. On a single integrated chip
C. Inside a punched card
D. Only in a magnetic tape drive
Correct Answer: B
B is correct because a microprocessor integrates the CPU on one chip. A describes early computers. C and D are input or storage media, not CPU locations.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which user-interface devices became more common in third-generation systems?
A. Keyboard and monitor terminals
B. Only punched cards with no display
C. Touchscreen smartphones
D. Virtual-reality headsets
Correct Answer: A
A is correct because terminals with keyboards and monitors became increasingly common, especially in time-sharing environments. B was more typical of earlier batch systems. C and D are later developments.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
The PDP-8 is best known as an early:
A. Mainframe built with vacuum tubes
B. Minicomputer
C. Smartphone
D. Quantum computer
Correct Answer: B
B is correct because the PDP-8 was a highly influential minicomputer of the third-generation era. A is incorrect because it was not a vacuum-tube mainframe. C and D are much later technologies.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
IBM System/360 is most closely associated with which computer generation?
A. First
B. Second
C. Third
D. Fifth
Correct Answer: C
C is correct because IBM System/360, introduced in 1964, used integrated-circuit technology and became a landmark third-generation family. A and B used earlier component technologies. D emphasizes AI-based systems.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Time-sharing systems became important during the:
A. First generation
B. Third generation
C. Mechanical generation
D. Vacuum-free pre-electronic period
Correct Answer: B
B is correct because third-generation computers and operating systems made interactive time-sharing practical for multiple users. A was mostly batch-oriented and manual. C and D are not electronic-computer generations.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which operating feature became common in third-generation computers?
A. Multiprogramming
B. No operating system
C. Manual rewiring for every program
D. Only single-purpose arithmetic
Correct Answer: A
A is correct because third-generation operating systems increasingly supported multiprogramming, allowing multiple jobs to share processor resources. B and C describe earlier limitations. D does not represent general-purpose third-generation systems.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which major improvement did integrated circuits bring to third-generation computers?
A. They made systems larger and slower
B. They increased reliability and reduced size
C. They removed the need for electricity
D. They returned computing to mechanical gears
Correct Answer: B
B is correct because integrated circuits combined many components on small chips, improving speed, reliability, and compactness. A is the opposite. C is impossible for electronic systems. D is historically incorrect.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Assembly language became more practical and widely used during the:
A. Second generation
B. Fifth generation
C. Mechanical era
D. Post-quantum era
Correct Answer: A
A is correct because second-generation transistor computers commonly used assembly languages in addition to early high-level languages. The other options do not match the historical period.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Batch processing became widely used during which generation?
A. First generation only
B. Second generation
C. Fifth generation only
D. Pre-mechanical era
Correct Answer: B
B is correct because second-generation systems commonly processed groups of jobs in batches using resident monitor programs. A had more manual operation. C focuses on intelligent systems. D predates electronic computing.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which computer is commonly classified as a second-generation system?
A. IBM 1401
B. ENIAC
C. IBM PC
D. Cray-1
Correct Answer: A
A is correct because IBM 1401 was a widely used transistor-based business computer. B is first generation. C is fourth generation. D is a vector supercomputer from the microprocessor/VLSI era and is not a standard second-generation example.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Second-generation computers were generally more reliable than first-generation computers because transistors:
A. Required more space and generated more heat
B. Had no switching ability
C. Were smaller, cooler, and less failure-prone
D. Could only perform mechanical calculations
Correct Answer: C
C is correct because transistors were smaller, consumed less power, produced less heat, and were more durable than vacuum tubes. A states the opposite. B is false because transistors are electronic switches. D is unrelated.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which pair of high-level languages became prominent during the second generation?
A. HTML and CSS
B. FORTRAN and COBOL
C. Java and Kotlin
D. Python and Ruby
Correct Answer: B
B is correct because FORTRAN and COBOL were early high-level languages widely used in scientific and business applications during the second-generation era. The other pairs were created decades later.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which memory technology became widely associated with second-generation computers?
A. Magnetic core memory
B. USB flash memory
C. Optical discs
D. Cloud databases
Correct Answer: A
A is correct because magnetic core memory became a common, reliable main-memory technology during the second generation. B, C, and D are later storage technologies.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
UNIVAC I is historically important because it was:
A. A mechanical calculator from the 1600s
B. One of the first commercial computers in the United States
C. The first smartphone
D. A fifth-generation expert system
Correct Answer: B
B is correct because UNIVAC I was among the first commercially produced general-purpose electronic digital computers in the United States. A refers to much earlier calculating devices. C and D are unrelated.
CSS - PMS - CCE - PCS - Basic Computing
Computer Generations
Which storage or input medium was commonly used with early first-generation computers?
A. Punched cards
B. Cloud storage
C. Solid-state drives
D. Blu-ray discs
Correct Answer: A
A is correct because punched cards and paper tape were widely used for input and data storage. B, C, and D are modern technologies introduced much later.