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Evolution of Computing & Components
Questions From This Challenge
Q1mcq1 mark
Which of the following is considered one of the earliest manual calculating devices, using beads sliding on rods for counting?
Abacus ✓
Pascaline
Analytical Engine
Difference Engine
Q2mcq1 mark
Napier's Bones, an early calculating tool made of numbered rods, was primarily designed to simplify which mathematical operations?
Multiplication and division ✓
Addition and subtraction only
Statistical analysis
Data storage
Q3mcq1 mark
Charles Babbage's Difference Engine, an early mechanical calculating device, was designed mainly to:
Automatically compute and tabulate mathematical tables ✓
Store large volumes of text data
Translate one programming language into another
Display graphical output on a screen
Q4mcq1 mark
Which of Charles Babbage's designs is regarded as the forerunner of the modern computer because its design included units resembling a memory and a processing unit?
Analytical Engine ✓
Difference Engine
Pascaline
Abacus
Q5mcq1 mark
The use of vacuum tubes as the primary electronic switching component is characteristic of which generation of computers?
First generation ✓
Second generation
Third generation
Fourth generation
Q6mcq1 mark
The replacement of vacuum tubes with transistors, resulting in smaller and more reliable machines, marked the beginning of which generation of computers?
Second generation ✓
First generation
Third generation
Fourth generation
Q7mcq1 mark
The introduction of the microprocessor, which integrated an entire CPU onto a single chip, is most associated with which generation of computers?
Fourth generation ✓
First generation
Second generation
Third generation
Q8mcq1 mark
Which category of computer is built for extremely high-speed processing of complex scientific problems such as weather forecasting and nuclear simulations?
Supercomputer ✓
Microcomputer
Mainframe computer
Minicomputer
Q9mcq1 mark
Which category of computer is typically used by large organizations, such as banks, for centralized processing of large volumes of transactions from many users simultaneously?
Mainframe computer ✓
Microcomputer
Supercomputer
Embedded computer
Q10mcq1 mark
Which unit of the CPU is responsible for carrying out arithmetic calculations and logical comparisons?
Arithmetic Logic Unit (ALU) ✓
Control Unit
Register
Cache memory
Q11mcq1 mark
Which unit of the CPU directs and coordinates the activities of all other hardware components by generating control signals?
Control Unit ✓
Arithmetic Logic Unit
RAM
Motherboard
Q12mcq1 mark
Which component acts as the main circuit board of a computer, physically interconnecting the CPU, memory, and other components so they can communicate?
Motherboard ✓
Monitor
Keyboard
Cache memory
Q13mcq1 mark
An Optical Mark Reader (OMR) is primarily used to:
Detect and read pencil/pen-marked responses on forms such as answer sheets ✓
Print bar-coded labels
Display high-resolution graphics
Convert speech into text
Q14mcq1 mark
Magnetic Ink Character Recognition (MICR) technology is most commonly used to:
Read the special characters printed on bank cheques for automated processing ✓
Scan barcodes on retail products
Capture fingerprints for biometric authentication
Convert printed documents into editable text
Q15mcq1 mark
A plotter is best described as which kind of device, primarily used to produce accurate line-based drawings such as architectural or engineering diagrams?
Output device ✓
Input device
Primary memory device
Communication device