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CSS - PMS - CCE - PCS - Basic Computing MCQs

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For PPSC/FPSC one-paper exams, Basic Computing usually gives easy marks if you cover computer fundamentals + MS Office + Internet/Email + shortcuts first.

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CSS - PMS - CCE - PCS - Basic Computing

CSS - PMS - CCE - PCS - Basic Computing MCQs With Answers

Prepare CSS - PMS - CCE - PCS - Basic Computing from selected MCQs, topics, explanations, and exam-focused practice questions. You are viewing page 69.

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CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 32-bit address field represent?
A. 8589934592
B. 2147483648
C. 4294967296
D. 64
Read Theory
Correct Answer: C
An 32-bit field has 2^32 = 4294967296 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 24-bit address field represent?
A. 8388608
B. 16777216
C. 48
D. 33554432
Read Theory
Correct Answer: B
An 24-bit field has 2^24 = 16777216 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 20-bit address field represent?
A. 1048576
B. 2097152
C. 40
D. 524288
Read Theory
Correct Answer: A
An 20-bit field has 2^20 = 1048576 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 16-bit address field represent?
A. 32768
B. 65536
C. 32
D. 131072
Read Theory
Correct Answer: B
An 16-bit field has 2^16 = 65536 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 12-bit address field represent?
A. 8192
B. 2048
C. 24
D. 4096
Read Theory
Correct Answer: D
An 12-bit field has 2^12 = 4096 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 10-bit address field represent?
A. 2048
B. 1024
C. 20
D. 512
Read Theory
Correct Answer: B
An 10-bit field has 2^10 = 1024 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many distinct addresses can an unsigned 8-bit address field represent?
A. 128
B. 256
C. 16
D. 512
Read Theory
Correct Answer: B
An 8-bit field has 2^8 = 256 distinct bit patterns.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
A 64-bit data item contains how many bytes?
A. 8
B. 64
C. 4
D. 16
Read Theory
Correct Answer: A
8 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
A 32-bit data item contains how many bytes?
A. 4
B. 8
C. 2
D. 16
Read Theory
Correct Answer: A
4 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many bits are represented by 4 bytes?
A. 16
B. 64
C. 8
D. 32
Read Theory
Correct Answer: D
32 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many bytes are represented by 16 bits?
A. 2
B. 1
C. 4
D. 8
Read Theory
Correct Answer: A
2 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many GiB are in 1 TiB?
A. 1024
B. 1000
C. 512
D. 2048
Read Theory
Correct Answer: A
1024 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many MiB are in 1 GiB?
A. 1000
B. 1024
C. 2048
D. 512
Read Theory
Correct Answer: B
1024 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many KiB are in 1 MiB?
A. 1024
B. 2048
C. 512
D. 1000
Read Theory
Correct Answer: A
1024 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many bytes are in 1 KiB?
A. 512
B. 1024
C. 2048
D. 1000
Read Theory
Correct Answer: B
1024 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many bits are in 1 nibble?
A. 16
B. 8
C. 4
D. 2
Read Theory
Correct Answer: C
4 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
How many bits are in 1 byte?
A. 4
B. 32
C. 8
D. 16
Read Theory
Correct Answer: C
8 is the correct conversion.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
Which memory-related term best matches this description: is commonly used for dynamically allocated data?
A. DIMM
B. Heap memory
C. Cache miss
D. SDRAM
Read Theory
Correct Answer: B
Heap memory is commonly used for dynamically allocated data.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
Which memory-related term best matches this description: commonly stores function-call frames, local variables, and return information?
A. Byte-addressable memory
B. Stack memory
C. Volatile memory
D. Latency
Read Theory
Correct Answer: B
Stack memory commonly stores function-call frames, local variables, and return information.
CSS - PMS - CCE - PCS - Basic Computing Computer Memory
Which memory-related term best matches this description: occurs when allocated memory is not released when no longer needed?
A. Memory leak
B. Byte-addressable memory
C. Heap memory
D. Mask ROM
Read Theory
Correct Answer: A
Memory leak occurs when allocated memory is not released when no longer needed.
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