#71 which of the following steps in the instruction cycle interprets the instruction?
A) Fetch B) Decode C) Execute
D) Write-back
Answer: B
#72 __________ instruction is used when number of statements is to be repeated.
A) LD B) LOOP C) JMP
D) MOV
Answer: B
#73 How many op-codes do a zero-Address instruction has?
A) 1 B) 2 C) 3
D) 0
Answer: A
#74 which of the following is not arithmetic instruction?
A) DIV B) MUL C) SUB
D) JMP
Answer: D
#75 ________ changes alternating current (AC) to low-voltage direct current (DC) to operate the processor and peripheral devices.
A) Motherboard B) Power supply C) Output unit
D) Register
Answer: B
#76 which of the following is the firmware built into the computer system ?
A) Slot B) RAM C) Port
D) BIOS
Answer: D
#77 ___________ are the opening or sockets in a computer motherboard where a circuit board or expansion card can be inserted to add new functionalities to the computer.
A) BIOS B) Ports C) Power supplies
D) Expansion slots
Answer: D
#78 which of the following port is a high-speed point-to-point channel (pathway),primarily used for 3D computer graphics ?