FPSC- Programmer (BS-17) - PMD High Yield - 2026 — Test 2

Correct Answer: B. 2
Explanation: The finally block always runs. A return inside finally overrides the earlier return. ALSO KNOW (related points): • In a C++ try block that can throw a Derived exception (where Derived inherits from Base), what is the correct order of catch blocks? → catch(Derived&) before catch(Base&), with catch(...) last • In C++, what happens when int a[5]; a[7] = 3; is executed? → Undefined behavior; there is no compile-time or runtime bounds check

Correct Answer: A. KeyboardInterrupt
Explanation: KeyboardInterrupt and SystemExit inherit from BaseException, not Exception. ALSO KNOW (related points): • When does the else block of a Python try/except/else statement run? → Only when the try block raised no exception

Correct Answer: D. At least 16 bits
Explanation: Only minimum widths are guaranteed. 32-bit int is common in practice but not required. ALSO KNOW (related points): • In C++, what is sizeof(char)? → Always 1, by definition • What does std::cout << true; print in C++ without std::boolalpha? → 1 • In C and C++, is plain char signed or unsigned? → Implementation-defined • In Java, which of these is a primitive type? → boolean

Correct Answer: A. Integer is 16 bits; Long is 32 bits
Explanation: In VB.NET, Integer is 32 bits and Long is 64 bits. This change between versions is a common source of confusion. ALSO KNOW (related points): • What is the minimum width that C++ guarantees for long long? → 64 bits • In Java, how wide is the char type? → 16 bits (a UTF-16 code unit) • In VB.NET, what is the value of CInt(True)? → -1 • When a variable is used without being declared and Option Explicit is off in VB6, what is its data type? → Variant

Correct Answer: C. -128 to 127
Explanation: The range is -2^(n-1) to 2^(n-1) - 1. There is one more negative value than positive values. ALSO KNOW (related points): • In Python 3, what is the result of 2 ** 100? → The exact integer 1267650600228229401496703205376 • What is the result of adding 01111111 + 00000001 as 8-bit two's complement integers? → 10000000, which represents -128 (signed overflow) • What is the maximum value of an unsigned 16-bit integer? → 65535

Correct Answer: D. 11111011
Explanation: Invert 00000101 to get 11111010, then add 1 to get 11111011. 10000101 is the sign-magnitude form. ALSO KNOW (related points): • Which representation has two representations of zero (+0 and -0)? → Sign-magnitude (and one's complement) • What is the one's complement of the 4-bit value 0101? → 1010

Correct Answer: B. Undefined behavior
Explanation: Only unsigned arithmetic is defined to wrap around (modulo 2^n). Signed overflow is undefined behavior. ALSO KNOW (related points): • In C++, given unsigned int u = 0; u--;, what is u on a system with 32-bit int? → 4294967295

Correct Answer: B. no
Explanation: The usual arithmetic conversions convert -1 to unsigned, which makes it UINT_MAX. UINT_MAX < 1 is false. ALSO KNOW (related points): • How many bits make up a nibble? → 4

Correct Answer: B. 0010 0101
Explanation: BCD encodes each decimal digit in 4 bits: 2 is 0010 and 5 is 0101. 00011001 is the pure binary form of 25. ALSO KNOW (related points): • How many bytes are in 1 KiB, and how many are in 1 kB (SI)? → 1 KiB = 1024 bytes; 1 kB = 1000 bytes

Correct Answer: D. 15
Explanation: A leading 0 makes an integer literal octal, so 017 = 1×8 + 7 = 15. ALSO KNOW (related points): • What happens when x = 017 is written in Python 3? → SyntaxError: leading zeros are not allowed in decimal literals • What is the value of int("12", 8) in Python? → 10 • What is the decimal value of the hexadecimal number 0x1F? → 31