CHAPTER 7 ITEC1000 EXAM 2025
QUESTIONS AND ANSWERS
1) The Little Man instruction set is based on a decimal number system; real computers encode
instructions and data using the
a) binary system.
b) Unicode system.
c) decimal system.
d) algebraic system. - ANS A
2) The ALU and CU together are known as the
a) CPU.
b) instruction set.
c) program counter.
d) Memory Management Unit. - ANS A
3) The area inside of the CPU that holds data temporarily and performs calculations is called the
a) accumulator.
b) program counter.
c) arithmetic logic unit.
d) Memory Management Unit. - ANS C
4) The storage locations that are used for a particular defined purpose within the CPU are called
a) RAM.
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, b) storage.
c) the bus.
d) registers. - ANS D
5) The 1-bit registers that are used to allow the computer to keep track of special conditions
(like overflow or power failure) are often called
a) flags.
b) loops.
c) the ALU.
d) I/O counters. - ANS A
6) Loading the value zero into a register is called
a) inverting a register.
b) clearing a register.
c) dumping the register.
d) incrementing a register. - ANS B
7) The register that holds the address of the memory location that needs to be accessed is
called the
a) IR.
b) MAR.
c) MDR.
d) MBR. - ANS B
8) The register that holds the current instruction is called the
a) IR.
b) PC.
c) LMC.
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QUESTIONS AND ANSWERS
1) The Little Man instruction set is based on a decimal number system; real computers encode
instructions and data using the
a) binary system.
b) Unicode system.
c) decimal system.
d) algebraic system. - ANS A
2) The ALU and CU together are known as the
a) CPU.
b) instruction set.
c) program counter.
d) Memory Management Unit. - ANS A
3) The area inside of the CPU that holds data temporarily and performs calculations is called the
a) accumulator.
b) program counter.
c) arithmetic logic unit.
d) Memory Management Unit. - ANS C
4) The storage locations that are used for a particular defined purpose within the CPU are called
a) RAM.
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, b) storage.
c) the bus.
d) registers. - ANS D
5) The 1-bit registers that are used to allow the computer to keep track of special conditions
(like overflow or power failure) are often called
a) flags.
b) loops.
c) the ALU.
d) I/O counters. - ANS A
6) Loading the value zero into a register is called
a) inverting a register.
b) clearing a register.
c) dumping the register.
d) incrementing a register. - ANS B
7) The register that holds the address of the memory location that needs to be accessed is
called the
a) IR.
b) MAR.
c) MDR.
d) MBR. - ANS B
8) The register that holds the current instruction is called the
a) IR.
b) PC.
c) LMC.
2 Copyright ©2025 SIRJOEL ALL RIGHTS RESERVED
