Completed
Unit 1 revision
Questions From This Challenge
Q1mcq1 mark
Arranging the generations of computers in correct chronological order based on the primary technology used, which sequence is correct?
Vacuum tubes -> Transistors -> Integrated Circuits -> Microprocessors ✓
Microprocessors -> Integrated Circuits -> Transistors -> Vacuum tubes
Transistors -> Vacuum tubes -> Microprocessors -> Integrated Circuits
Integrated Circuits -> Vacuum tubes -> Microprocessors -> Transistors
Q2mcq1 mark
A hospital needs a computer system capable of processing thousands of patient transactions simultaneously from many terminals across the building. Which category of computer best fits this requirement?
Mainframe computer ✓
Microcomputer
Supercomputer used solely for scientific research
Embedded single-user device
Q3mcq1 mark
Which single component of a CPU is responsible for interpreting instructions and generating the signals that coordinate the ALU, memory, and I/O devices during execution?
Control Unit ✓
Arithmetic Logic Unit
Motherboard
Cache memory
Q4mcq1 mark
A teacher wants a device that can automatically read and tally answers marked in pencil on a large batch of multiple-choice answer sheets. Which input device is most suitable?
Optical Mark Reader (OMR) ✓
Magnetic Ink Character Reader (MICR)
Plotter
Joystick
Q5mcq1 mark
Which of the following is exclusively an output device, incapable of sending any data to the CPU for processing?
Monitor ✓
Keyboard
Mouse
Scanner
Q6mcq1 mark
2 Gigabytes of storage is equal to how many Megabytes?
2048 MB ✓
2000 MB
200 MB
20480 MB
Q7mcq1 mark
Which of the following best explains why RAM is described as volatile, while a hard disk is described as non-volatile?
RAM loses its stored data when power is switched off, while a hard disk retains data without continuous power ✓
RAM can store more data permanently than a hard disk
A hard disk is faster than RAM at every operation
RAM is a type of secondary storage device
Q8mcq1 mark
Which type of ROM would be most appropriate for a manufacturer that needs to program a chip exactly once during production, with no need to ever reprogram it afterward?
PROM ✓
EPROM
EEPROM
RAM
Q9mcq1 mark
A student permanently formats a USB pen drive but later regrets not backing up an important file. What is the most likely reason a data recovery tool might still be able to retrieve that file?
Formatting typically does not immediately erase all the actual stored data, only the references to it ✓
Formatted drives automatically upload their data to the internet
Data recovery tools can create new data identical to the lost file
USB pen drives cannot be formatted at all
Q10mcq1 mark
An organization wants to ensure that data on old hard disks cannot be recovered by anyone before the disks are discarded. Which practice best addresses this security concern?
Securely wiping/overwriting the data using dedicated data-destruction software ✓
Simply deleting the files and emptying the Recycle Bin
Renaming the files to hide them
Compressing the files into a ZIP archive
Q11mcq1 mark
Which of the following software would be classified as system software rather than application software?
Operating System ✓
Presentation software
Spreadsheet software
Web browser used for shopping
Q12mcq1 mark
A school gets a custom-built software solution designed only to manage its own student attendance and fee records, not usable by any other organization. This software is best classified as:
Specific-purpose software ✓
Generic (general-purpose) software
System software
Language translator
Q13mcq1 mark
Which of the following pairs correctly matches a type of language translator with its defining behavior?
Interpreter - translates and executes source code line by line ✓
Compiler - translates and executes source code line by line
Assembler - translates high-level language into machine code
Interpreter - translates the entire program before reporting any errors
Q14mcq1 mark
Which of the following devices would be classified as an input device rather than an output device?
Joystick ✓
Plotter
Monitor
Speaker
Q15mcq1 mark
Considering both memory type and volatility, which statement correctly compares RAM and ROM?
RAM is volatile and used for temporary processing, while ROM is non-volatile and typically stores fixed startup instructions ✓
RAM is non-volatile and ROM is volatile
Both RAM and ROM lose data when power is switched off
Both RAM and ROM are types of secondary storage