السلام عليكم
الدرجة المحصلة 1.4 من 1.5
Which of the following Branch instruction is not found in an LMC?
Branch unconditionally
Branch on zero
Branch on negative
Branch on positive
An instruction in LMC is broken into two parts, fetch and execute.
True
False
The little man finds out what instruction he is to execute using execute portion of the cycle.
True
False
The fetch unit portion of the CPU consists of an instruction fetch unit and an instruction ____________ unit.
decode
translate
decipher
conversion
Opcode in LMC is represented by single digit .
True
False
The processor works by fetching an instruction from memory, executing it and then fetching the next instruction etc. This is called the Fetch/Execute cycle.
True
False
"INPUT, STORE, INPUT" is a sequence of commands needed to enter two numbers into the LMC (using the INPUT command).
True
False
The COFFEE BREAK (HALT) instruction
pauses the program.
clears all mailboxes.
empties the out basket.
ignores the address portion of the instruction.
A STORE command will leave the original data in the mailbox overwritten.
True
False
The INPUT instruction takes data from the
in basket and places it in a mailbox.
mailbox and places it in the in basket.
mailbox and places it in the calculator.
in basket and places it in the calculator.
The ADD instruction adds data from a mailbox to the in basket.
True
False
The BRANCH ON ZERO instruction "jumps" if the value in the
mailbox is zero.
in basket is zero.
calculator is zero.
instruction location counter is zero.
The LMC knows which mailbox contains the next task by looking at the program counter.
True
False