ITE 221 FINAL PAPER 2025/2026 QUESTIONS AND
SOLUTIONS GRADED A+ TIP
✔✔In most CPUs, the ____ is the time required to fetch and execute the simplest
instruction in the instruction set.
A) cycle time
B) block time
C) hold time
D) rest time - ✔✔cycle time
✔✔The ____ is a digital circuit that generates timing pulses, or signals, and transmits
the pulses to other devices in the computer.
A) data clock
B) memory clock
C) variance cock
D) system clock - ✔✔system clock
✔✔The ____________________ of the CPU keeps track of the next program
instruction location by incrementing a pointer after each fetch. - ✔✔control unit
✔✔The collection of instructions that a CPU can process is called the CPU's
____________________. - ✔✔instruction set
✔✔The first group of bits in an instruction represents its unique binary number,
commonly called the ____.
A) data word
B) op code
C) operand
D) operator - ✔✔op code
✔✔The frequency at which the system clock generates timing pulses is the system's
____.
A) clock cycle
B) clock rate
C) pulse rate
D) clock pulse - ✔✔clock rate
✔✔The instruction pointer (IP) can also be called the "____________________." -
✔✔program counter
, ✔✔The register that holds bit values (flags) that describe comparison operation results,
control conditional BRANCH execution, or indicate actual or potential error conditions
____.
A) load register
B) instruction register
C) program status word
D) control register - ✔✔program status word
✔✔When manipulating single-precision floating-point numbers, CPU performance is
measured in ____.
A) watts
B) MHz
C) MFLOPS
D) MIPS - ✔✔MFLOPS
✔✔____ are used only by the currently executing program.
A) Reserved Registers
B) Kernel Registers
C) Instruction registers
D) General-Purpose registers - ✔✔D) General-Purpose registers
✔✔When the control unit fetches an instruction from memory, it stores it in the ____.
A) load registers
B) instruction registers
C)first general purpose register
D) control register - ✔✔instruction register
✔✔The word size of recent processor generations such as the Intel Core2 and IBM
POWER 8 is ____________________ bits. - ✔✔64
✔✔A(n) ____________________ is a command to the CPU to perform a primitive
processing function on specific data inputs. - ✔✔Instruction
✔✔In a ____, each digit can have only one of two possible values: 0 or 1.
A) decimal number
B) hexadecimal number
C) binary number
D) unary number - ✔✔Binary number
SOLUTIONS GRADED A+ TIP
✔✔In most CPUs, the ____ is the time required to fetch and execute the simplest
instruction in the instruction set.
A) cycle time
B) block time
C) hold time
D) rest time - ✔✔cycle time
✔✔The ____ is a digital circuit that generates timing pulses, or signals, and transmits
the pulses to other devices in the computer.
A) data clock
B) memory clock
C) variance cock
D) system clock - ✔✔system clock
✔✔The ____________________ of the CPU keeps track of the next program
instruction location by incrementing a pointer after each fetch. - ✔✔control unit
✔✔The collection of instructions that a CPU can process is called the CPU's
____________________. - ✔✔instruction set
✔✔The first group of bits in an instruction represents its unique binary number,
commonly called the ____.
A) data word
B) op code
C) operand
D) operator - ✔✔op code
✔✔The frequency at which the system clock generates timing pulses is the system's
____.
A) clock cycle
B) clock rate
C) pulse rate
D) clock pulse - ✔✔clock rate
✔✔The instruction pointer (IP) can also be called the "____________________." -
✔✔program counter
, ✔✔The register that holds bit values (flags) that describe comparison operation results,
control conditional BRANCH execution, or indicate actual or potential error conditions
____.
A) load register
B) instruction register
C) program status word
D) control register - ✔✔program status word
✔✔When manipulating single-precision floating-point numbers, CPU performance is
measured in ____.
A) watts
B) MHz
C) MFLOPS
D) MIPS - ✔✔MFLOPS
✔✔____ are used only by the currently executing program.
A) Reserved Registers
B) Kernel Registers
C) Instruction registers
D) General-Purpose registers - ✔✔D) General-Purpose registers
✔✔When the control unit fetches an instruction from memory, it stores it in the ____.
A) load registers
B) instruction registers
C)first general purpose register
D) control register - ✔✔instruction register
✔✔The word size of recent processor generations such as the Intel Core2 and IBM
POWER 8 is ____________________ bits. - ✔✔64
✔✔A(n) ____________________ is a command to the CPU to perform a primitive
processing function on specific data inputs. - ✔✔Instruction
✔✔In a ____, each digit can have only one of two possible values: 0 or 1.
A) decimal number
B) hexadecimal number
C) binary number
D) unary number - ✔✔Binary number
