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WorksheetsComputer Fundamentals Quiz
Total questions: 15
Worksheet time: 3mins
What does computer hardware consist of?
Electronic circuits, displays, magnetic and optical storage media, electromechanical equipment, and communication facilities
Only software programs
Just the keyboard and mouse
Only the display screen
What is the internal storage of a computer called?
Computer memory
Computer display
Computer processor
Computer keyboard
Which of the following is NOT one of the five functionally independent main parts of a computer?
A) Input
B) Memory
C) Display
D) Control
What does the control unit in a computer do?
A) Stores data for later use
B) Accepts information from human operators
C) Coordinates actions among the functional units
D) Performs calculations
What is the binary-coded decimal (BCD) format used to encode?
Decimal digits
Alphanumeric characters
Machine instructions
Input signals
Which unit directs all activities inside a computer?
Control unit
Output unit
Arithmetic unit
Memory unit
What does the instruction "Add LOCA, R0" do?
Adds the operand at memory location LOCA to the operand in register R0 and stores the sum in R0
Subtracts the operand in R0 from LOCA and stores the result in LOCA
Multiplies the values in LOCA and R0 and stores the result in LOCA
Divides the value in R0 by LOCA and stores the result in R0
What does the Program Counter (PC) contain?
The memory address of the next instruction to be fetched and executed
The data to be written into memory
The result of arithmetic operations
The control signals for the processor
What is the function of the Memory Data Register (MDR)?
It contains the data to be written into or read out of the addressed location
It generates timing signals for the processor
It stores the next instruction to be executed
It holds the address of the next instruction
What are the four main components shown in the single-bus structure of a computer?
Input, Output, Memory, Processor
Keyboard, Mouse, Monitor, Printer
CPU, RAM, Hard Disk, Network Card
Input, Storage, Display, Power Supply
During which time period does the operating system initiate loading the application program from disk to memory?
t0 to t1
t2 to t3
t4 to t5
t1 to t2
What is another term for multiprogramming mentioned in the computer?
Multitasking
Multithreading
Multiprocessing
Multicasting
What is processor time?
The sum of periods during which the processor is active executing a program
The time taken to print a document
The time spent in idle mode
The time required to install software
What is the formula for the basic performance equation as given in the text?
T = (N × S) / R
T = (R × S) / N
T = (N + S) × R
T = (N × R) / S
In binary number representation, what is the value of the leftmost bit for positive numbers?
1
0
2
9
