Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 13
Q201:
In hexadecimal notation, what is the value of the binary pattern 0101?
A. 4
B. 5
C. 6
D. 7
Correct Answer:
B
Chapter: 13
Q202:
Which of the following is a correct hexadecimal representation of the binary pattern 1000?
A. 6
B. 7
C. 8
D. 9
Correct Answer:
C
Chapter: 13
Q203:
What is the hexadecimal equivalent of the binary pattern 111010000101010100010111?
A. E85517
B. A64536
C. F94618
D. C78523
Correct Answer:
A
Chapter: 13
Q204:
How are bit patterns within a machine typically organized?
A. In pairs
B. In multiples of four
C. In random order
D. In single bits
Correct Answer:
B
Chapter: 13
Q205:
What is the shorthand notation used to simplify the representation of bit patterns?
A. Binary
B. Decimal
C. Octal
D. Hexadecimal
Correct Answer:
D
Chapter: 13
Q206:
What does the hexadecimal symbol 'F' represent in binary?
A. 1100
B. 1111
C. 1010
D. 1001
Correct Answer:
B
Chapter: 13
Q207:
What is the hexadecimal equivalent of the binary pattern 0111?
A. 5
B. 6
C. 7
D. 8
Correct Answer:
C
Chapter: 13
Q208:
How do you convert a binary stream into hexadecimal notation?
A. Convert each bit individually
B. Divide the stream into 4-bit patterns
C. Multiply by 16
D. Divide by 4
Correct Answer:
B
Chapter: 13
Q209:
What is a "stream" in the context of computing?
A. A sequence of commands
B. A long string of bits
C. A series of calculations
D. A network protocol
Correct Answer:
B
Chapter: 13
Q210:
In the binary to hexadecimal conversion, which of the following binary groups corresponds to the hexadecimal digit '8'?
A. 1000
B. 100
C. 10
D. 1
Correct Answer:
A
Chapter: 14
Q211:
What is the main purpose of a computer's main memory?
A. To store a single bit
B. To store data
C. To process data
D. To execute commands
Correct Answer:
B
Chapter: 14
Q212:
What is the smallest unit of data storage in a computer's main memory?
A. Byte
B. Bit
C. Cell
D. Flip-flop
Correct Answer:
B
Chapter: 14
Q213:
What is a typical flip-flop used for in a computer?
A. Processing data
B. Storing a single bit
C. Managing memory addresses
D. Organizing memory
Correct Answer:
B
Chapter: 14
Q214:
How many bits are typically in a manageable unit or cell in computer memory?
A. 4 bits
B. 8 bits
C. 16 bits
D. 32 bits
Correct Answer:
B
Chapter: 14
Q215:
What is the significance of the most significant bit in byte size organization?
A. It is always zero
B. It is the rightmost bit
C. It represents the highest value
D. It is the least important bit
Correct Answer:
C
Chapter: 14
Q216:
In memory organization, what is used to identify individual cells?
A. Cell number
B. Memory index
C. Address
D. Flip-flop
Correct Answer:
C
Chapter: 14
Q217:
What is the term used to describe the ability to access any memory cell in any order?
A. Sequential memory
B. Dynamic memory
C. Random access memory (RAM)
D. Synchronous memory
Correct Answer:
C
Chapter: 14
Q218:
What does DRAM stand for?
A. Digital Random Access Memory
B. Dynamic Random Access Memory
C. Direct Random Access Memory
D. Data Random Access Memory
Correct Answer:
B
Chapter: 14
Q219:
What is the key characteristic of DRAM?
A. Stores bits as magnetic charges
B. Requires refreshing multiple times per second
C. Stores data permanently
D. Can only access cells sequentially
Correct Answer:
B
Chapter: 14
Q220:
What additional feature does SDRAM provide over regular DRAM?
A. It decreases power consumption
B. It increases the number of cells
C. It applies techniques to decrease retrieval time
D. It increases storage capacity
Correct Answer:
C